
NC-38 welding electrode KOBE Steel, E308-16 – High-quality welding electrode with calcium-titanium flux for precise welding results. Suitable for all welding positions, resistant to corrosion and extreme temperatures. Ideal for industrial and manufacturing applications.
AWS A5.4 E308-16
The NC-38 (E308-16) welding electrode is a reliable choice for precision welding in a variety of temperature conditions. With calcium-titania flux, this electrode offers strong, crack-resistant welds, as well as heat and corrosion resistance.
Compatible with AC and DC-EP, suitable for use in all welding positions. Improve the quality of your projects with the outstanding performance of the NC-38!
| Parameters | Description |
|---|---|
| Product Name | Welding Electrode NC-38 |
| Brand | KOBELCO |
| Main Application | Welding electrodes for stainless steel |
| Welding Electrode Size | 2.6 mm, 3.2 mm, 4.0 mm |
| Welding Process | SMAW |
| Weight Per Packaging | 20 Kg |
| Polarity | AC, DCEP |
| AWS Standard | AWS A5.4 E308-16 |
| Re-Drying Conditions | 150–200°C for 0.5–1 hour |
| Identification Color | First color: Yellow |
Recommended Production Size and Welding Current
| φ mm | 1F, 1G, 2F, 2G (A) | 3G Uphill, 4G (A) |
|---|---|---|
| 2.0 | 50–75 | 45–65 |
| 2.6 | 75–95 | 70–90 |
| 3.2 | 85–120 | 80–115 |
| 4.0 | 110–160 | 90–140 |
| 5.0 | 150–200 | – |

The KOBELCO NC-38 welding electrode can be used in various welding positions, offering flexibility for fabrication, construction, and maintenance work.
This electrode supports welding in flat, horizontal, vertical-up, and overhead positions, delivering stable weld results.
Mechanical properties of all metals being welded
| Parameters | Typical Value (AC) | Guaranty |
|---|---|---|
| 0.2% Yield Strength (0.2% YS) | 410 MPa | – |
| Tensile Strength (TS) | 600 MPa | ≥ 552 MPa |
| Elongation (El.) at 4d | 46% | ≥ 30% |
| Charpy V-notch impact value at 0°C (IV) | 74 J | – |
The chemical composition of the weld metal (all-weld metal) indicates the content of key elements in the weld deposit that influence corrosion resistance, mechanical strength, and the performance of the welded joint.
This data presents typical test results and guaranteed compositional limits in accordance with standards.
| Element | Typical Value (AC) | Guaranty |
|---|---|---|
| Carbon (C) | 0.06 | Max. 0.08 |
| Silikon (Si) | 0.37 | Max. 1.00 |
| Manganese (Mn) | 1.5 | 0.50–2.50 |
| Phosphorus (P) | 0.03 | Max. 0.04 |
| Sulfur (S) | <0.01 | Max. 0.03 |
| Nickel (Ni) | 9.4 | 9.0–11.0 |
| Chromium (Cr) | 20.0 | 18.0–21.0 |
| Molybdenum (Mo) | 0.16 | Max. 0.75 |
| Copper (Cu) | 0.08 | Max. 0.75 |
| φ mm | Length (mm) | kg/pack | kg/carton | g/piece | carton mm |
|---|---|---|---|---|---|
| 2.0 | 250 | 2 | 20 | 11 | 300W, 125H, 280L |
| 2.6 | 300 | 2 | 20 | 20 | 300W, 95H, 330L |
| 3.2 | 350 | 5 | 20 | 36 | 175W, 115H, 380L |
| 4.0 | 350 | 5 | 20 | 55 | 175W, 115H, 380L |
| 5.0 | 350 | 5 | 20 | 82 | 175W, 115H, 380L |
| Certification | Shipping Approval |
|---|---|
| ABS | MG (AWS A5.4 E308-16) |
| DNV | VL308 |
| NK (AC) | KD308 |
Note: The NK certification applies to use with AC current.
Order now KOBELCO NC-38 welding electrode for your stainless steel needs.
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