KOBE Welding Electrode

KOBELCO's KOBE electrode is known for its arc stability, quality reliability, and ease of weld pool control.

About KOBE Welding Electrode

KOBE Welding Electrode is a series of electrodes and welding electrodes from KOBELCO which are produced and marketed in Indonesia through technical collaboration with PT Intan Pertiwi Industri.

Each product is designed to provide consistent weld results, is easy to operate, and meets the quality demands of fabrication to construction projects.

KOBE Welding Electrode Product Selection

A comprehensive selection of KOBE welding electrodes is available for carbon steel, high tensile steel, stainless steel, hardfacing, and cast iron so your team can work quickly without sacrificing quality.

Welding Electrodes for Carbon Steel

KOBE RB-26 Welding Electrode

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	• Suitable for butt and fillet welding on thin plates. • Easy to use in all positions, including vertical downward welding.
Classification	AWS A 5.1 E6013
Re-Drying Conditions	70-100°Cx0.5-1h
Identification Color	1st Black
Polarity	AC, DCEP, DCEN
Welding Position	1F, 1G, 2F, 2G, 3G (up and down), 4G
Welding Electrode Size	2.0 mm, 2.6 mm, 3.2 mm, 4.0 mm, 5.0 mm

KOBE MS-77 Welding Electrode

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	• Stable arc ignition and minimal sparking. • Slag is easy to peel off, suitable for thin plates and general work, can be AC or DC.
Classification	AWS A 5.1 E6013
Re-Drying Conditions	70-100°Cx0.5-1h
Polarity	AC, DCEP, DCEN
Welding Position	1F, 1G, 2F, 2G, 3G (up and down), 4G
Welding Electrode Size	2.6 mm, 3.2 mm, 4.0 mm

KOBE B-17 Welding Electrode

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	• Suitable for butt and fillet welding on thin to thick plates (up to 20 mm). • Has good mechanical properties.
Classification	AWS A 5.1 E6019
Re-Drying Conditions	70-100°Cx0.5-1h
Identification Color	1st Yellow
Polarity	AC, DCEP, DCEN
Welding Position	1F, 1G, 2F, 2G, 3G (up and down), 4G
Welding Electrode Size	2.6 mm, 3.2 mm, 4.0 mm

Welding Electrode for High Tensile Steel

KOBE LB-26 Welding Electrode

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	Low hydrogen type electrode containing iron powder, provides high toughness and joint strength.
Classification	AWS A 5.1 E7016
Re-Drying Conditions	300-350°Cx0.5-1h
Identification Color	1st Blue white
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G (up and down), 4G
Welding Electrode Size	2.6 mm, 3.2 mm, 4.0 mm, 5.0 mm

KOBE LB-52 Welding Electrode

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	• Suitable for butt and fillet welding on heavy structures. • Has excellent mechanical properties.
Classification	AWS A 5.1 E7016
Re-Drying Conditions	300-350°Cx0.5-1h
Identification Color	1st Blue white, 2nd White
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G (up), 4G
Welding Electrode Size	2.6 mm, 3.2 mm, 4.0 mm, 5.0 mm

KOBE LB-52-18 Welding Electrode

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	• Suitable for butt and fillet welding on heavy structures. • Provides optimal performance with DCEP current.
Classification	AWS A 5.1 E7018
Re-Drying Conditions	300-350°Cx0.5-1h
Identification Color	1st Blue white, 2nd Blue
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G (up), 4G
Welding Electrode Size	2.6 mm, 3.2 mm, 4.0 mm, 5.0 mm

KOBE LB-52U Welding Electrode

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	• Suitable for single-sided welding on pipes. • Offers excellent arc stability in single-sided welding at low currents.
Classification	AWS A 5.1 E7016
Re-Drying Conditions	300-350°Cx0.5-1h
Identification Color	1st Blue white, 2nd Pink
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G (up), 4G
Welding Electrode Size	2.6 mm, 3.2 mm, 4.0 mm, 5.0 mm

High Cellulose-Type Electrodes

Welding Electrode KOBE-6010

Parameters	Details
Process	SMAW (Stick Electrode)
Key Features	• Suitable for welding butt joints on pipes. • Very convenient for vertical down welding.
Classification	AWS A 5.1 E6010
Re-Drying Conditions	–
Identification Color	1st Yellowish green
Polarity	DCEP
Welding Position	1F, 1G, 2F, 2G, 3G (turun), 4G
Welding Electrode Size	3.2 mm, 4.0 mm

Welding Electrode KOBE-7010S

Parameters	Details
Process	SMAW Stick Electrode
Klasifikasi AWS	AWS A5.5 E7010 P1
Key Features	Suitable for pipe butt welding. Very good for vertical downward welding.
Identification Color	1st Brown, 2nd Black
Polarity	DCEP
Welding Position	1F, 1G, 2G, 3G uphill, 3G downhill, 4G
Welding Electrode Sizes Available	3.2 mm, 4.0 mm

Welding Electrodes for Cast Iron

KOBE CI-A1 Welding Electrode

Parameters	Details
Process	SMAW Stick Electrode
Klasifikasi AWS	AWS A5.15 ENi-CI
Key Features	Nickel-based electrode for cast iron that provides strong bonds, crack-free welds, and is easy to machine. Recommended for repair of components made of gray cast iron, nodular cast iron, and malleable cast iron.
Identification Color	1st Gold, 2nd Red
Polarity	AC, DCEP
Welding Position	1G, 2G, 3G, 4G, 1F, 2F, 3F
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	70–100 °C

KOBE CI-A2 Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Klasifikasi AWS	AWS A5.15 ENiFe-CI
Key Features	Nickel-iron electrodes for welding gray and nodular cast iron, provide strong joints with low crack risk and are easy to machine. Suitable for repair of engine blocks, housings and industrial cast iron components.
Identification Color	1st Gold, 2nd Pink
Polarity	AC, DCEP
Welding Position	1G, 2G, 3G, 4G, 1F, 2F, 3F
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	70–100 °C

Welding Electrodes for Hard Surfacing

KOBE HF-350 Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	JIS Z3251 DF2A-400-B
Key Features	Fe-Cr based hardfacing electrode that produces a hard weld layer with high wear resistance to metal-soil friction. Offers a good combination of hardness and toughness for medium impact applications.
Identification Color	1st Orange, 2nd Green
Polarity	AC, DCEP
Welding Position	1F, 1G, 3G Uphil, 4G
Welding Electrode Sizes Available	3.2 mm, 4.0 mm
Re-Drying Conditions	300–350 °C for 30–60 minutes before use
Nominal Hardness	Around Hv 350 (after air cooling)
Typical Use	Used for hard coatings on top rollers, sprockets, and bulldozer components that experience moderate to heavy friction.

KOBE HF-500 Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	JIS Z3251 DF2B-500-B
Key Features	Fe–Cr based hardfacing electrode with nominal hardness around Hv 500 for high wear resistance in soil–rock friction. Abrasion-resistant martensitic coatings are suitable for light to moderate impact loads. A backing layer is recommended if the substrate is prone to cracking.
Identification Color	1st Orange, 2nd Blue White
Polarity	AC, DCEP
Welding Position	1G (flat), 1F (flat fillet)
Welding Electrode Sizes Available	3.2 mm, 4.0 mm
Re-Drying Conditions	300–350 °C for 30–60 minutes before use
Nominal Hardness	Hv 500
Typical Use	Bucket tips and bucket lips, sprockets and traction rollers, track links, dozer blades, friction surfaces of excavators and other heavy equipment requiring a hard, abrasion-resistant coating with limited impact.

KOBE HF-600 Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	JIS Z3251 DF2B-600-B
Key Features	Iron chrome based hardfacing electrode with very high hardness around Hv 600. Forms a highly abrasion-resistant, non-machinable martensitic carbide layer and is recommended for low impact loads.
Identification Color	1st Red, 2nd Red
Polarity	AC, DCEP
Welding Position	1G (flat), 1F (flat fillet)
Welding Electrode Sizes Available	3.2 mm, 4.0 mm
Re-Drying Conditions	300–350 °C for 30–60 minutes before use
Nominal Hardness	Hv 600
Typical Use	Bucket lip and bucket wear sides, dozer cutting edges, ripper tips, chute liners, screw conveyor flights, mixer blades, and other abrasion-dominated surfaces with limited impact.

Welding Electrodes for Stainless Steel

KOBE NC-36 Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	AWS A5.4 E316-16
Key Features	Stainless steel electrodes for type 316 steel with high corrosion resistance to acids, sea water and industrial chemicals. Provides smooth and easily controlled welds in all positions.
Identification Color	1st White
Polarity	AC, DCEP
Welding Position	1G, 2G, 3G uphill, 4G, 1F, 2F
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	150–200 °C for 0.5–1 hour before use

KOBE NC-36L Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	AWS A5.4 E316L-16
Key Features	Stainless steel electrodes for low carbon 316L steel. Provides excellent intergranular corrosion resistance in chemical, marine and high temperature environments. The bead results are smooth and easy to operate in various positions.
Identification Color	1st Green
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G uphill, 4G
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	150–200 °C for 0.5–1 hour before use

KOBE NC-38 Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	AWS A5.4 E308-16
Key Features	Stainless steel electrode for type 304 steel. Provides high corrosion resistance, good arc stability, and smooth bead results with easy slag removal. Suitable for fabrication and maintenance of tanks, pipes and chemical equipment.
Identification Color	1st Yellow
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G uphill, 4G
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	150–200 °C for 0.5–1 hour before use

KOBE NC-38L Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	AWS A5.4 E308L-16
Key Features	Stainless steel electrodes for type 304L steel with low carbon content that minimizes the risk of intergranular corrosion after welding. Provides smooth bead results, easy slag removal, and stable performance in all positions.
Identification Color	1st Red
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G uphill, 4G
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	150–200 °C for 0.5–1 hour before use

KOBE NC-39 Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	AWS A5.4 E309-16
Key Features	Stainless steel electrodes for welding dissimilar metal joints such as carbon steel to stainless steel. It is also ideal as a buttering layer on ferritic steels before coating with other stainless steel electrodes. It produces smooth welds with high crack resistance.
Identification Color	1st Black, 2nd White
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G uphill, 4G
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	150–200 °C for 0.5–1 hour before use

KOBE NC-39L Welding Electrode

Parameters	Details
Welding Process	SMAW Stick Electrode
Classification	AWS A5.4 E309L-16
Key Features	Low carbon stainless steel electrodes for dissimilar metal joints such as carbon steel to stainless steel. Suitable for backing layers on ferritic steels. Provides excellent corrosion and crack resistance with a smooth bead and easy slag removal.
Identification Color	1st Yellow green, 2nd Blue white
Polarity	AC, DCEP
Welding Position	1F, 1G, 2F, 2G, 3G uphill, 4G
Welding Electrode Sizes Available	2.6 mm, 3.2 mm, 4.0 mm
Re-Drying Conditions	150–200 °C for 0.5–1 hour before use