{"id":9512,"date":"2025-12-16T10:36:36","date_gmt":"2025-12-16T03:36:36","guid":{"rendered":"https:\/\/www.intanpertiwi.co.id\/?p=9512"},"modified":"2025-12-16T10:41:40","modified_gmt":"2025-12-16T03:41:40","slug":"setting-ampere-lb-52u","status":"publish","type":"post","link":"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/","title":{"rendered":"LB-52U Ampere Settings 2.6\/3.2\/4.0 mm"},"content":{"rendered":"<p data-start=\"639\" data-end=\"998\">Kalau Anda sedang mencari <strong data-start=\"26\" data-end=\"66\">Setting Ampere LB-52U 2.6\/3.2\/4.0 mm<\/strong> yang benar supaya hasil las lebih stabil, rapi, dan minim cacat, Anda ada di tempat yang tepat.<\/p>\n<p data-start=\"639\" data-end=\"998\">Kalau Anda pernah merasa hasil las \u201ckadang bagus, kadang bikin kesel\u201d, seringnya masalahnya bukan di tangan\u2014tapi di <strong data-start=\"755\" data-end=\"773\">setting ampere<\/strong> yang kurang pas.<\/p>\n<p data-start=\"639\" data-end=\"998\">Apalagi kalau yang dipakai adalah <strong data-start=\"825\" data-end=\"861\"><a href=\"https:\/\/www.intanpertiwi.co.id\/produk\/lb-52u\/\">KOBELCO LB-52U<\/a> AWS A5.1: E7016<\/strong>, elektroda low hydrogen yang terkenal kuat untuk pekerjaan struktural, tapi tetap butuh arus yang tepat supaya arc stabil dan bead rapi.<\/p>\n<p data-start=\"1000\" data-end=\"1314\">Di artikel ini saya rangkum Setting Ampere LB-52U KOBELCO 2.6\/3.2\/4.0 mm\u00a0lengkap untuk posisi flat\/horizontal, 3G uphill\/4G, sampai root pass.<\/p>\n<p data-start=\"1000\" data-end=\"1314\">Setelah tabel, saya tambahkan tips praktis supaya Anda bisa memilih angka paling \u201cenak\u201d di lapangan tanpa keluar dari batas aman.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Kenapa_Setting_Ampere_LB-52U_Itu_Krusial\" >Kenapa Setting Ampere LB-52U Itu Krusial?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Setting_Ampere_LB-52U_263240_mm_dan_Posisi_Pengelasan\" >Setting Ampere LB-52U 2.6\/3.2\/4.0 mm dan Posisi Pengelasan<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Cara_Memilih_Ampere_yang_%E2%80%9CPas%E2%80%9D_di_Dalam_Range\" >Cara Memilih Ampere yang \u201cPas\u201d di Dalam Range<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#1_Kalau_Fokus_Anda_Root_Pass_Akar_Sambungan\" >1. Kalau Fokus Anda Root Pass (Akar Sambungan)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#2_Untuk_3G_Uphill_dan_4G_Vertikal_Naik_Overhead\" >2. Untuk 3G Uphill dan 4G (Vertikal Naik &amp; Overhead)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#3_Untuk_1F1G2F2G_FlatHor\" >3. Untuk 1F\/1G\/2F\/2G (Flat\/Hor)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Ciri-Ciri_Setting_Ampere_Anda_Terlalu_Rendah_atau_Terlalu_Tinggi\" >Ciri-Ciri Setting Ampere Anda Terlalu Rendah atau Terlalu Tinggi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Ampere_Terlalu_Rendah\" >Ampere Terlalu Rendah<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Ampere_Terlalu_Tinggi\" >Ampere Terlalu Tinggi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Info_Penting_yang_Sering_Dilupakan_Redrying_LB-52U\" >Info Penting yang Sering Dilupakan: Redrying LB-52U<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#Kesimpulan\" >Kesimpulan<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"1321\" data-end=\"1365\"><span class=\"ez-toc-section\" id=\"Kenapa_Setting_Ampere_LB-52U_Itu_Krusial\"><\/span>Kenapa Setting Ampere LB-52U Itu Krusial?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1366\" data-end=\"1509\">LB-52U umumnya dipakai saat Anda butuh sambungan yang kuat dan konsisten. Tapi, karena karakter low hydrogen, hasilnya sangat dipengaruhi oleh:<\/p>\n<ul data-start=\"1510\" data-end=\"1728\">\n<li data-start=\"1510\" data-end=\"1595\">\n<p data-start=\"1512\" data-end=\"1595\"><strong data-start=\"1512\" data-end=\"1526\">Heat input<\/strong> (terlalu panas \u2192 undercut\/spatter; terlalu rendah \u2192 nempel\/sticking)<\/p>\n<\/li>\n<li data-start=\"1596\" data-end=\"1655\">\n<p data-start=\"1598\" data-end=\"1655\"><strong data-start=\"1598\" data-end=\"1619\">Kontrol kolam las<\/strong> (terutama vertikal naik &amp; overhead)<\/p>\n<\/li>\n<li data-start=\"1656\" data-end=\"1728\">\n<p data-start=\"1658\" data-end=\"1728\"><strong data-start=\"1658\" data-end=\"1680\">Kualitas root pass<\/strong> (akar sambungan harus tembus rapi, bukan jebol)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1730\" data-end=\"1822\">Jadi, daripada \u201cnaik-turun ampere pakai feeling\u201d, lebih aman mulai dari tabel resminya dulu.<\/p>\n<p data-start=\"1730\" data-end=\"1822\">Sebelum menentukan arus yang paling pas, ada baiknya Anda memahami dulu proses dasarnya. Silakan baca <a href=\"https:\/\/www.intanpertiwi.co.id\/panduan\/apa-itu-pengelasan-smaw\/\">apa itu pengelasan SMAW<\/a> agar setting ampere, teknik gerakan, dan hasil las Anda lebih konsisten.<\/p>\n<h2 data-start=\"1730\" data-end=\"1822\"><span class=\"ez-toc-section\" id=\"Setting_Ampere_LB-52U_263240_mm_dan_Posisi_Pengelasan\"><\/span>Setting Ampere LB-52U 2.6\/3.2\/4.0 mm dan Posisi Pengelasan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1902\" data-end=\"1924\"><strong data-start=\"1902\" data-end=\"1924\">Keterangan posisi:<\/strong><\/p>\n<ul data-start=\"1925\" data-end=\"2056\">\n<li data-start=\"1925\" data-end=\"1968\">\n<p data-start=\"1927\" data-end=\"1968\"><strong data-start=\"1927\" data-end=\"1945\">1F, 1G, 2F, 2G<\/strong> = datar &amp; horizontal<\/p>\n<\/li>\n<li data-start=\"1969\" data-end=\"2017\">\n<p data-start=\"1971\" data-end=\"2017\"><strong data-start=\"1971\" data-end=\"1988\">3G uphill, 4G<\/strong> = vertikal naik &amp; overhead<\/p>\n<\/li>\n<li data-start=\"2018\" data-end=\"2056\">\n<p data-start=\"2020\" data-end=\"2056\"><strong data-start=\"2020\" data-end=\"2033\">Root pass<\/strong> = jalur akar sambungan<\/p>\n<\/li>\n<\/ul>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2058\" data-end=\"2322\">\n<thead data-start=\"2058\" data-end=\"2122\">\n<tr data-start=\"2058\" data-end=\"2122\">\n<th data-start=\"2058\" data-end=\"2076\" data-col-size=\"sm\">Diameter LB-52U<\/th>\n<th data-start=\"2076\" data-end=\"2093\" data-col-size=\"sm\">1F, 1G, 2F, 2G<\/th>\n<th data-start=\"2093\" data-end=\"2109\" data-col-size=\"sm\">3G Uphill, 4G<\/th>\n<th data-start=\"2109\" data-end=\"2122\" data-col-size=\"sm\">Root Pass<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2144\" data-end=\"2322\">\n<tr data-start=\"2144\" data-end=\"2200\">\n<td style=\"text-align: center;\" data-start=\"2144\" data-end=\"2157\" data-col-size=\"sm\">2.6 mm<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2157\" data-end=\"2171\">60\u201390 A<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2171\" data-end=\"2185\">50\u201380 A<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2185\" data-end=\"2200\">30\u201380 A<\/td>\n<\/tr>\n<tr data-start=\"2201\" data-end=\"2260\">\n<td style=\"text-align: center;\" data-start=\"2201\" data-end=\"2214\" data-col-size=\"sm\">3.2 mm<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2214\" data-end=\"2229\">90\u2013130 A<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2229\" data-end=\"2244\">80\u2013120 A<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2244\" data-end=\"2260\">60\u2013110 A<\/td>\n<\/tr>\n<tr data-start=\"2261\" data-end=\"2322\">\n<td style=\"text-align: center;\" data-start=\"2261\" data-end=\"2274\" data-col-size=\"sm\">4.0 mm<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2274\" data-end=\"2290\">130\u2013180 A<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2290\" data-end=\"2306\">110\u2013170 A<\/td>\n<td style=\"text-align: center;\" data-col-size=\"sm\" data-start=\"2306\" data-end=\"2322\">90\u2013140 A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"2324\" data-end=\"2481\"><strong data-start=\"2324\" data-end=\"2350\">Catatan :<\/strong> <strong data-start=\"2351\" data-end=\"2374\">DCEN juga suitable.<\/strong><br data-start=\"2374\" data-end=\"2377\" \/>Di data yang sama, polaritas yang tercantum: <strong data-start=\"2422\" data-end=\"2434\">AC, DCEP<\/strong> (dengan catatan tambahan DCEN bisa digunakan).<\/p>\n<h2 data-start=\"2488\" data-end=\"2574\"><span class=\"ez-toc-section\" id=\"Cara_Memilih_Ampere_yang_%E2%80%9CPas%E2%80%9D_di_Dalam_Range\"><\/span>Cara Memilih Ampere yang \u201cPas\u201d di Dalam Range<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"2576\" data-end=\"2626\"><span class=\"ez-toc-section\" id=\"1_Kalau_Fokus_Anda_Root_Pass_Akar_Sambungan\"><\/span>1. Kalau Fokus Anda Root Pass (Akar Sambungan)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2627\" data-end=\"2760\">Root pass itu paling sensitif. Terlalu tinggi sedikit bisa bikin akar jebol, terlalu rendah bikin kurang tembus atau mudah ada cacat.<\/p>\n<p data-start=\"2762\" data-end=\"2779\">Patokan mudahnya:<\/p>\n<ul data-start=\"2780\" data-end=\"2927\">\n<li data-start=\"2780\" data-end=\"2861\">\n<p data-start=\"2782\" data-end=\"2861\">Mulai dari <strong data-start=\"2793\" data-end=\"2815\">bawah\u2013tengah range<\/strong>, lalu naikkan sedikit kalau penetrasi kurang.<\/p>\n<\/li>\n<li data-start=\"2862\" data-end=\"2927\">\n<p data-start=\"2864\" data-end=\"2927\">Usahakan kolam las tetap \u201ctenang\u201d dan tidak melebar berlebihan.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2929\" data-end=\"2989\">Contoh start yang sering terasa aman (tetap di range resmi):<\/p>\n<ul data-start=\"2990\" data-end=\"3114\">\n<li data-start=\"2990\" data-end=\"3050\">\n<p data-start=\"2992\" data-end=\"3050\"><strong data-start=\"2992\" data-end=\"3003\">2.6 mm:<\/strong> coba <strong data-start=\"3009\" data-end=\"3020\">50\u201360 A<\/strong> dulu (tergantung gap &amp; bevel)<\/p>\n<\/li>\n<li data-start=\"3051\" data-end=\"3081\">\n<p data-start=\"3053\" data-end=\"3081\"><strong data-start=\"3053\" data-end=\"3064\">3.2 mm:<\/strong> coba <strong data-start=\"3070\" data-end=\"3081\">80\u201395 A<\/strong><\/p>\n<\/li>\n<li data-start=\"3082\" data-end=\"3114\">\n<p data-start=\"3084\" data-end=\"3114\"><strong data-start=\"3084\" data-end=\"3095\">4.0 mm:<\/strong> coba <strong data-start=\"3101\" data-end=\"3114\">110\u2013130 A<\/strong><\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"3116\" data-end=\"3231\">\n<p data-start=\"3118\" data-end=\"3231\">Ingat: ini bukan angka baku baru, tapi cara memilih titik awal dari range resmi agar lebih cepat ketemu feel-nya.<\/p>\n<\/blockquote>\n<h3 data-start=\"3233\" data-end=\"3289\"><span class=\"ez-toc-section\" id=\"2_Untuk_3G_Uphill_dan_4G_Vertikal_Naik_Overhead\"><\/span>2. Untuk 3G Uphill dan 4G (Vertikal Naik &amp; Overhead)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3290\" data-end=\"3355\">Di posisi ini, ampere terlalu tinggi biasanya langsung kelihatan:<\/p>\n<ul data-start=\"3356\" data-end=\"3430\">\n<li data-start=\"3356\" data-end=\"3376\">\n<p data-start=\"3358\" data-end=\"3376\">bead jadi \u201cbanjir\u201d<\/p>\n<\/li>\n<li data-start=\"3377\" data-end=\"3402\">\n<p data-start=\"3379\" data-end=\"3402\">undercut gampang muncul<\/p>\n<\/li>\n<li data-start=\"3403\" data-end=\"3430\">\n<p data-start=\"3405\" data-end=\"3430\">slag jadi susah dikontrol<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3432\" data-end=\"3548\">Karena itu, gunakan range <strong data-start=\"3458\" data-end=\"3474\">3G uphill\/4G<\/strong> (yang memang lebih rendah dari flat\/horizontal) dan prioritaskan kontrol.<\/p>\n<h3 data-start=\"3550\" data-end=\"3585\"><span class=\"ez-toc-section\" id=\"3_Untuk_1F1G2F2G_FlatHor\"><\/span>3. Untuk 1F\/1G\/2F\/2G (Flat\/Hor)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3586\" data-end=\"3756\">Di posisi datar\/horizontal, Anda punya ruang lebih untuk main di <strong data-start=\"3651\" data-end=\"3672\">tengah\u2013atas range<\/strong>\u2014asal bead tetap rapi, tidak melebar berlebihan, dan tidak menggali tepi (undercut).<\/p>\n<h2 data-start=\"3763\" data-end=\"3830\"><span class=\"ez-toc-section\" id=\"Ciri-Ciri_Setting_Ampere_Anda_Terlalu_Rendah_atau_Terlalu_Tinggi\"><\/span>Ciri-Ciri Setting Ampere Anda Terlalu Rendah atau Terlalu Tinggi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"3832\" data-end=\"3857\"><span class=\"ez-toc-section\" id=\"Ampere_Terlalu_Rendah\"><\/span>Ampere Terlalu Rendah<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3858\" data-end=\"4009\">\n<li data-start=\"3858\" data-end=\"3898\">\n<p data-start=\"3860\" data-end=\"3898\">Elektroda sering <strong data-start=\"3877\" data-end=\"3898\">nempel (sticking)<\/strong><\/p>\n<\/li>\n<li data-start=\"3899\" data-end=\"3924\">\n<p data-start=\"3901\" data-end=\"3924\">Arc terasa \u201cmati-hidup\u201d<\/p>\n<\/li>\n<li data-start=\"3925\" data-end=\"3971\">\n<p data-start=\"3927\" data-end=\"3971\">Bead cenderung <strong data-start=\"3942\" data-end=\"3953\">cembung<\/strong>, penetrasi kurang<\/p>\n<\/li>\n<li data-start=\"3972\" data-end=\"4009\">\n<p data-start=\"3974\" data-end=\"4009\">Slag terasa numpuk dan sulit bersih<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4011\" data-end=\"4036\"><span class=\"ez-toc-section\" id=\"Ampere_Terlalu_Tinggi\"><\/span>Ampere Terlalu Tinggi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"4037\" data-end=\"4206\">\n<li data-start=\"4037\" data-end=\"4059\">\n<p data-start=\"4039\" data-end=\"4059\">Spatter makin banyak<\/p>\n<\/li>\n<li data-start=\"4060\" data-end=\"4109\">\n<p data-start=\"4062\" data-end=\"4109\">Bead melebar, tepi sambungan rawan <strong data-start=\"4097\" data-end=\"4109\">undercut<\/strong><\/p>\n<\/li>\n<li data-start=\"4110\" data-end=\"4154\">\n<p data-start=\"4112\" data-end=\"4154\">Kolam las terlalu cair, kontrol jadi berat<\/p>\n<\/li>\n<li data-start=\"4155\" data-end=\"4206\">\n<p data-start=\"4157\" data-end=\"4206\">Terasa \u201cpanas banget\u201d padahal gerakan sudah benar<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"4213\" data-end=\"4267\"><span class=\"ez-toc-section\" id=\"Info_Penting_yang_Sering_Dilupakan_Redrying_LB-52U\"><\/span>Info Penting yang Sering Dilupakan: Redrying LB-52U<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4268\" data-end=\"4365\">Karena LB-52U termasuk low hydrogen, kondisi elektroda sangat berpengaruh pada konsistensi hasil.<\/p>\n<p data-start=\"4367\" data-end=\"4530\"><strong data-start=\"4367\" data-end=\"4402\">Redrying conditions :<\/strong> <strong data-start=\"4403\" data-end=\"4433\">300\u2013350\u00b0C selama 0.5\u20131 jam. <\/strong>Ini membantu menjaga performa dan mengurangi risiko masalah yang terkait kelembapan elektroda.<\/p>\n<h2 data-start=\"0\" data-end=\"13\"><span class=\"ez-toc-section\" id=\"Kesimpulan\"><\/span>Kesimpulan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"15\" data-end=\"618\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"15\" data-end=\"55\">Setting Ampere LB-52U 2.6\/3.2\/4.0 mm<\/strong> sebaiknya selalu mengacu pada <strong data-start=\"86\" data-end=\"108\" data-is-only-node=\"\">range ampere resmi<\/strong>, karena tiap posisi las membutuhkan kontrol panas yang berbeda.<\/p>\n<p data-start=\"15\" data-end=\"618\" data-is-last-node=\"\" data-is-only-node=\"\">Untuk hasil paling aman dan rapi, gunakan <strong data-start=\"215\" data-end=\"268\">ampere lebih rendah di 3G uphill\/4G dan root pass<\/strong> agar kolam las tetap terkendali dan mengurangi risiko <strong data-start=\"323\" data-end=\"348\">undercut\/burn-through<\/strong>, lalu manfaatkan <strong data-start=\"366\" data-end=\"419\">range yang lebih tinggi di posisi flat\/horizontal<\/strong> jika ingin deposit lebih cepat.<\/p>\n<p data-start=\"15\" data-end=\"618\" data-is-last-node=\"\" data-is-only-node=\"\">Terakhir, jangan abaikan kondisi elektroda (<strong data-start=\"496\" data-end=\"535\">redrying 300\u2013350\u00b0C selama 0,5\u20131 jam<\/strong>) karena sangat berpengaruh pada stabilitas arc dan konsistensi kualitas sambungan.<\/p>\n<p data-start=\"15\" data-end=\"618\" data-is-last-node=\"\" data-is-only-node=\"\">Jika Anda ingin pemesanan KOBELCO LB-52U atau konsultasi kebutuhan pengelasan, silakan hubungi kami untuk pemesanan.<\/p>\n<p data-start=\"15\" data-end=\"618\" data-is-last-node=\"\" data-is-only-node=\"\"><a href=\"https:\/\/wa.me\/628111438833\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-8212 size-full\" src=\"https:\/\/www.intanpertiwi.co.id\/wp-content\/uploads\/2025\/10\/hubungi-kami-sekarang-untuk-pemesanan-kawat-las.webp\" alt=\"hubungi kami sekarang untuk pemesanan kawat las\" width=\"1200\" height=\"250\" srcset=\"https:\/\/www.intanpertiwi.co.id\/wp-content\/uploads\/2025\/10\/hubungi-kami-sekarang-untuk-pemesanan-kawat-las.webp 1200w, https:\/\/www.intanpertiwi.co.id\/wp-content\/uploads\/2025\/10\/hubungi-kami-sekarang-untuk-pemesanan-kawat-las-300x63.webp 300w, https:\/\/www.intanpertiwi.co.id\/wp-content\/uploads\/2025\/10\/hubungi-kami-sekarang-untuk-pemesanan-kawat-las-1024x213.webp 1024w, https:\/\/www.intanpertiwi.co.id\/wp-content\/uploads\/2025\/10\/hubungi-kami-sekarang-untuk-pemesanan-kawat-las-768x160.webp 768w, https:\/\/www.intanpertiwi.co.id\/wp-content\/uploads\/2025\/10\/hubungi-kami-sekarang-untuk-pemesanan-kawat-las-18x4.webp 18w, https:\/\/www.intanpertiwi.co.id\/wp-content\/uploads\/2025\/10\/hubungi-kami-sekarang-untuk-pemesanan-kawat-las-600x125.webp 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<h2 data-start=\"15\" data-end=\"618\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>1. Ampere berapa yang paling aman untuk LB-52U sesuai diameter dan posisi?<\/strong><\/p>\n<p data-start=\"83\" data-end=\"394\">Gunakan range berikut sesuai kebutuhan: <strong data-start=\"123\" data-end=\"185\">2.6 mm (60\u201390A flat\/horizontal, 50\u201380A 3G\/4G, 30\u201380A root)<\/strong>, <strong data-start=\"187\" data-end=\"225\">3.2 mm (90\u2013130A, 80\u2013120A, 60\u2013110A)<\/strong>, dan <strong data-start=\"231\" data-end=\"271\">4.0 mm (130\u2013180A, 110\u2013170A, 90\u2013140A)<\/strong>. Kuncinya, <strong data-start=\"283\" data-end=\"335\">posisi 3G\/4G dan root pass biasanya lebih rendah<\/strong> dibanding flat\/horizontal agar kolam las tetap terkendali.<\/p>\n<p><strong>2. Kenapa setting ampere untuk 3G uphill\/4G dan root pass cenderung lebih rendah?<\/strong><\/p>\n<p data-start=\"486\" data-end=\"737\">Karena di posisi <strong data-start=\"503\" data-end=\"529\">vertikal naik\/overhead<\/strong> dan <strong data-start=\"534\" data-end=\"547\">root pass<\/strong>, kolam las lebih mudah \u201clari\u201d kalau terlalu panas. Ampere yang lebih rendah membantu menjaga kontrol bead, mengurangi risiko <strong data-start=\"673\" data-end=\"685\">undercut<\/strong>, dan mencegah <strong data-start=\"700\" data-end=\"716\">burn-through<\/strong> pada akar sambungan.<\/p>\n<p><strong>3. LB-52U sebaiknya pakai polaritas apa, dan apakah DCEN boleh?<\/strong><\/p>\n<p data-start=\"811\" data-end=\"1067\" data-is-last-node=\"\" data-is-only-node=\"\">LB-52U dapat digunakan pada <strong data-start=\"839\" data-end=\"854\">AC dan DCEP<\/strong>, serta ada catatan bahwa <strong data-start=\"880\" data-end=\"902\">DCEN juga suitable<\/strong>. Pilih polaritas sesuai kebutuhan pekerjaan dan prosedur\/WPS di lapangan, namun pastikan arus tetap berada di range yang direkomendasikan untuk diameter dan posisi.<\/p>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Ampere berapa yang paling aman untuk LB-52U sesuai diameter dan posisi?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Gunakan range berikut sesuai kebutuhan: 2.6 mm (60\u201390A untuk flat\/horizontal, 50\u201380A untuk 3G\/4G, 30\u201380A untuk root), 3.2 mm (90\u2013130A, 80\u2013120A, 60\u2013110A), dan 4.0 mm (130\u2013180A, 110\u2013170A, 90\u2013140A). Kuncinya, posisi 3G\/4G dan root pass biasanya lebih rendah dibanding flat\/horizontal agar kolam las tetap terkendali.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Kenapa setting ampere untuk 3G uphill\/4G dan root pass cenderung lebih rendah?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Karena di posisi vertikal naik\/overhead dan root pass, kolam las lebih mudah \\\"lari\\\" kalau terlalu panas. Ampere yang lebih rendah membantu menjaga kontrol bead, mengurangi risiko undercut, dan mencegah burn-through pada akar sambungan.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"LB-52U sebaiknya pakai polaritas apa, dan apakah DCEN boleh?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"LB-52U dapat digunakan pada AC dan DCEP, serta ada catatan bahwa DCEN juga suitable. Pilih polaritas sesuai kebutuhan pekerjaan dan prosedur\/WPS di lapangan, namun pastikan arus tetap berada di range yang direkomendasikan untuk diameter dan posisi.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kalau Anda sedang mencari Setting Ampere LB-52U 2.6\/3.2\/4.0 mm yang benar supaya hasil las lebih stabil, rapi, dan minim cacat, Anda ada di tempat yang tepat. Kalau Anda pernah merasa hasil las \u201ckadang bagus, kadang bikin kesel\u201d, seringnya masalahnya bukan di tangan\u2014tapi di setting ampere yang kurang pas. Apalagi kalau yang dipakai adalah KOBELCO LB-52U AWS A5.1: E7016, elektroda low hydrogen yang terkenal kuat untuk pekerjaan struktural, tapi tetap butuh arus yang tepat supaya arc stabil dan bead rapi. Di artikel ini saya rangkum Setting Ampere LB-52U KOBELCO 2.6\/3.2\/4.0 mm\u00a0lengkap untuk posisi flat\/horizontal, 3G uphill\/4G, sampai root pass. Setelah tabel, saya tambahkan tips praktis supaya Anda bisa memilih angka paling \u201cenak\u201d di lapangan tanpa keluar dari batas aman. Kenapa Setting Ampere LB-52U Itu Krusial? LB-52U umumnya dipakai saat Anda butuh sambungan yang kuat dan konsisten. Tapi, karena karakter low hydrogen, hasilnya sangat dipengaruhi oleh: Heat input (terlalu panas \u2192 undercut\/spatter; terlalu rendah \u2192 nempel\/sticking) Kontrol kolam las (terutama vertikal naik &amp; overhead) Kualitas root pass (akar sambungan harus tembus rapi, bukan jebol) Jadi, daripada \u201cnaik-turun ampere pakai feeling\u201d, lebih aman mulai dari tabel resminya dulu. Sebelum menentukan arus yang paling pas, ada baiknya Anda memahami dulu proses dasarnya. Silakan baca apa itu pengelasan SMAW agar setting ampere, teknik gerakan, dan hasil las Anda lebih konsisten. Setting Ampere LB-52U 2.6\/3.2\/4.0 mm dan Posisi Pengelasan Keterangan posisi: 1F, 1G, 2F, 2G = datar &amp; horizontal 3G uphill, 4G = vertikal naik &amp; overhead Root pass = jalur akar sambungan Diameter LB-52U 1F, 1G, 2F, 2G 3G Uphill, 4G Root Pass 2.6 mm 60\u201390 A 50\u201380 A 30\u201380 A 3.2 mm 90\u2013130 A 80\u2013120 A 60\u2013110 A 4.0 mm 130\u2013180 A 110\u2013170 A 90\u2013140 A Catatan : DCEN juga suitable.Di data yang sama, polaritas yang tercantum: AC, DCEP (dengan catatan tambahan DCEN bisa digunakan). Cara Memilih Ampere yang \u201cPas\u201d di Dalam Range 1. Kalau Fokus Anda Root Pass (Akar Sambungan) Root pass itu paling sensitif. Terlalu tinggi sedikit bisa bikin akar jebol, terlalu rendah bikin kurang tembus atau mudah ada cacat. Patokan mudahnya: Mulai dari bawah\u2013tengah range, lalu naikkan sedikit kalau penetrasi kurang. Usahakan kolam las tetap \u201ctenang\u201d dan tidak melebar berlebihan. Contoh start yang sering terasa aman (tetap di range resmi): 2.6 mm: coba 50\u201360 A dulu (tergantung gap &amp; bevel) 3.2 mm: coba 80\u201395 A 4.0 mm: coba 110\u2013130 A Ingat: ini bukan angka baku baru, tapi cara memilih titik awal dari range resmi agar lebih cepat ketemu feel-nya. 2. Untuk 3G Uphill dan 4G (Vertikal Naik &amp; Overhead) Di posisi ini, ampere terlalu tinggi biasanya langsung kelihatan: bead jadi \u201cbanjir\u201d undercut gampang muncul slag jadi susah dikontrol Karena itu, gunakan range 3G uphill\/4G (yang memang lebih rendah dari flat\/horizontal) dan prioritaskan kontrol. 3. Untuk 1F\/1G\/2F\/2G (Flat\/Hor) Di posisi datar\/horizontal, Anda punya ruang lebih untuk main di tengah\u2013atas range\u2014asal bead tetap rapi, tidak melebar berlebihan, dan tidak menggali tepi (undercut). Ciri-Ciri Setting Ampere Anda Terlalu Rendah atau Terlalu Tinggi Ampere Terlalu Rendah Elektroda sering nempel (sticking) Arc terasa \u201cmati-hidup\u201d Bead cenderung cembung, penetrasi kurang Slag terasa numpuk dan sulit bersih Ampere Terlalu Tinggi Spatter makin banyak Bead melebar, tepi sambungan rawan undercut Kolam las terlalu cair, kontrol jadi berat Terasa \u201cpanas banget\u201d padahal gerakan sudah benar Info Penting yang Sering Dilupakan: Redrying LB-52U Karena LB-52U termasuk low hydrogen, kondisi elektroda sangat berpengaruh pada konsistensi hasil. Redrying conditions : 300\u2013350\u00b0C selama 0.5\u20131 jam. Ini membantu menjaga performa dan mengurangi risiko masalah yang terkait kelembapan elektroda. Kesimpulan Setting Ampere LB-52U 2.6\/3.2\/4.0 mm sebaiknya selalu mengacu pada range ampere resmi, karena tiap posisi las membutuhkan kontrol panas yang berbeda. Untuk hasil paling aman dan rapi, gunakan ampere lebih rendah di 3G uphill\/4G dan root pass agar kolam las tetap terkendali dan mengurangi risiko undercut\/burn-through, lalu manfaatkan range yang lebih tinggi di posisi flat\/horizontal jika ingin deposit lebih cepat. Terakhir, jangan abaikan kondisi elektroda (redrying 300\u2013350\u00b0C selama 0,5\u20131 jam) karena sangat berpengaruh pada stabilitas arc dan konsistensi kualitas sambungan. Jika Anda ingin pemesanan KOBELCO LB-52U atau konsultasi kebutuhan pengelasan, silakan hubungi kami untuk pemesanan. FAQs 1. Ampere berapa yang paling aman untuk LB-52U sesuai diameter dan posisi? Gunakan range berikut sesuai kebutuhan: 2.6 mm (60\u201390A flat\/horizontal, 50\u201380A 3G\/4G, 30\u201380A root), 3.2 mm (90\u2013130A, 80\u2013120A, 60\u2013110A), dan 4.0 mm (130\u2013180A, 110\u2013170A, 90\u2013140A). Kuncinya, posisi 3G\/4G dan root pass biasanya lebih rendah dibanding flat\/horizontal agar kolam las tetap terkendali. 2. Kenapa setting ampere untuk 3G uphill\/4G dan root pass cenderung lebih rendah? Karena di posisi vertikal naik\/overhead dan root pass, kolam las lebih mudah \u201clari\u201d kalau terlalu panas. Ampere yang lebih rendah membantu menjaga kontrol bead, mengurangi risiko undercut, dan mencegah burn-through pada akar sambungan. 3. LB-52U sebaiknya pakai polaritas apa, dan apakah DCEN boleh? LB-52U dapat digunakan pada AC dan DCEP, serta ada catatan bahwa DCEN juga suitable. Pilih polaritas sesuai kebutuhan pekerjaan dan prosedur\/WPS di lapangan, namun pastikan arus tetap berada di range yang direkomendasikan untuk diameter dan posisi.<\/p>","protected":false},"author":1,"featured_media":9520,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-panduan"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Setting Ampere LB-52U 2.6\/3.2\/4.0 mm dan Tips Biar Hasilnya Rapi<\/title>\n<meta name=\"description\" content=\"Tabel resmi setting ampere LB-52U (E7016) KOBELCO untuk 2.6\/3.2\/4.0 mm: posisi 1G\/2G, 3G uphill\/4G, dan root pass + tips pilih ampere.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Setting Ampere LB-52U 2.6\/3.2\/4.0 mm dan Tips Biar Hasilnya Rapi\" \/>\n<meta property=\"og:description\" content=\"Tabel resmi setting ampere LB-52U (E7016) KOBELCO untuk 2.6\/3.2\/4.0 mm: posisi 1G\/2G, 3G uphill\/4G, dan root pass + tips pilih ampere.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.intanpertiwi.co.id\/en\/panduan\/setting-ampere-lb-52u\/\" \/>\n<meta property=\"og:site_name\" content=\"PT. 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