Classification: G 42 4 M21 G2Si1
Steel grades · G 42 4 M21 G2Si1
Product from the DRATEC handbook.
Price on request
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Standards and classifications
| EN ISO 14341-A | G 42 4 M21 G2Si1 |
|---|---|
| AWS/SFA 5.18 | ER 70S-3 |
Field of application
Welding wire/rod for joints on low-alloy steels in boiler and vessel construction. Smooth weld seams.
Manufacturer's text, original German.
Nominal wire analysis (Richtanalyse)
| C | Si | Mn |
|---|---|---|
| 0,03-0,12 | 0,40-0,60 | 1,00-1,30 |
Nominal wire analysis in %. Limit values and the nominal analysis are two different figures and are listed separately.
Mechanical properties of the weld metal
- Yield strength (Re) 480 N/mm²
- Tensile strength (Rm) 530 N/mm²
- Elongation (A)(Lo=5do) 29 %
- Impact energy (Av) 140 J
Indicative values.
Shielding gas and polarity
| Process | Shielding gas and polarity |
|---|---|
| WIG | (ISO 14175) I1 (=-) |
| MSG | (ISO 14175) M2; C1 (=+) |
Base materials
- St 33 - St 52.3
- StE255 - StE 355
- HI - HII
- DC01+ZE DC04+ZE S220GD+Z
- S350GD+Z
Available forms and packaging
- MIG: gespult auf D100 / D200 / K 200 / K 300
- WIG: verpackt in Karton a 25 kg
Spools: D100 D200 K200 K300
Spools listed for this product
| Spool | Outer diameter | Bore / inner diameter | Outer width | Wire weight |
|---|---|---|---|---|
| K300 (B300) | 300 mm | Inner diameter: 180 mm | 103 mm | 15–20 kg |
| D100 (S100) | 100 mm | Bore diameter: 16,5 mm | 45 mm | 0,5–1 kg |
| D200 (S200) | 200 mm | Bore diameter: 50,5 mm | 55 mm | 2–5 kg |
Documentation
Related DRATEC products
Products from the same category. Not a claim of technical interchangeability.
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