MIG (GMAW) wires
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DIN EN ISO: 14341-A G 42 2 M21 Z2NiCuAWS: A5.28 ER80S-G
MIG (GMAW) wire for weathering steels
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Characteristics and application
MIG/GMAW wire for weathering steels like Corten and Patinax. Weathering steels with controlled additions of Cu provide improved corrosion resistance compared to CMn steels. The improved resistance to atmospheric corrosion means these steels find use for architectural applications and also for welding CMn steels to prevent preferential corrosion of the weld.
Base materials
For weather resistant construction steels, commonly referred to as weathering steels.
S235J0W-S355J0W, S235J2W-S355J2W, S355J0WP, S355J2WP, S355K2W
ASTM: A242 grades 1/2, A588 grades A/B/C/K, A606, A709 grade 50W
Corten, Patinax
Classifications
| DIN EN ISO | 14341-A G 42 2 M21 Z2NiCu |
|---|---|
| AWS | A5.28 ER80S-G |
Typical analysis in %
| C | Si | Mn | Ni | Cu |
|---|---|---|---|---|
| 0,08 | 0,80 | 1,40 | 0,80 | 0,40 |
Mechanical properties
| Yield strength (MPa) | ≥ 450 |
|---|---|
| Tensile strength (MPa) | ≥ 550 |
| Elongation (%) | 4d/5d: ≥22 |
| Charpy-V value (ISO-V, J) | RT ≥ 80 -20°C ≥ 47 |
Typical heat treatment
Preheat and PWHT are often not necessary but actual requirements will depend on the grade and thickness of material being welded and any design codes that apply.
Approvals
- CE, DB 42.045.10
Documentation
Official Fliess publication for the programme as a whole, not for the individual item.
Related products
Related products from the Fliess programme, with the welding process. Not a claim of technical interchangeability.
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