Classification: EN 440 G4Si1
Steel grades · EN 440 G4Si1
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Standards and classifications
| EN ISO 14341 A | G 46 4 M21 4Si1 |
|---|---|
| AWS-SFA5.18 | ER 70S-6 |
Field of application
Welding wire for joints on low-alloy steels in boiler, vessel, machine and vehicle construction.
Manufacturer's text, original German.
Chemical composition — limit values
| C | Si | Mn |
|---|---|---|
| 0,1 | 0,85 | 1,75 |
Limit values in %.
Nominal wire analysis (Richtanalyse)
| C | Si | Mn |
|---|---|---|
| 0,08-0,13 | 0,80-1,20 | 1,60-1,90 |
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) 390-490 N/mm²
- Tensile strength (Rm) 510-610 N/mm²
- Elongation (A)(Lo=5do) > 25%
- Impact energy (Av) > 90 J
Indicative values.
Shielding gas and polarity
| Process | Shielding gas and polarity |
|---|---|
| MSG | (ISO 14175) M2-M3; C1 (=+) |
Base materials
- St 35 - St 55, St 35.4 - St 55.4
- StE255 - StE 420
- HI - HII - HIII, 17 Mn 4, 19 Mn 6
- GS 38 - GS 52
- S235JRG2 – S355J2
- P235GH P265GH P295GH P355GH
- Feinkorn bis S460N
- ISO 20172: Gruppe 1.1 / 1.2 / 1.3 (ReH max 380N/mm ²)
- ISO 20172: Gruppe 2.1 (ReH max 380N/mm²)
- ISO 20172: Gruppe 3.1 (ReH max 380N/mm²)
Available forms and packaging
- MIG: gespult auf D100 / D200 / K 200 / K 300
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 |
Approvals
The scope of each approval is set out in its document.
Documentation
Related DRATEC products
Products from the same category. Not a claim of technical interchangeability.
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