Classification: ISO 21952 G MoSi
Steel grades · ISO 21952 G MoSi
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Standards and classifications
| DIN EN ISO 21952-A | G/W MoSi |
|---|---|
| AWS A5.28 | ER70S-A1 |
Field of application
Joint welding in apparatus, vessel, boiler and pipeline construction. Service temperature up to +550 ° C.
Manufacturer's text, original German.
Chemical composition — limit values
| C | Si | Mn | Mo |
|---|---|---|---|
| 0,1 | 0,6 | 1,1 | 0,5 |
Limit values in %.
Nominal wire analysis (Richtanalyse)
| C | Si | Mn | Mo |
|---|---|---|---|
| 0,10 | 0,60 | 1,10 | 0,50 |
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) 490-520 N/mm²
- Tensile strength (Rm) 560-650 N/mm²
- Elongation (A)(Lo=5do) > 22 %
- Impact energy (Av) > 80 J
- Maximum service temperature 550° C
- Minimum service temperature -40° C
Indicative values.
Shielding gas and polarity
| Process | Shielding gas and polarity |
|---|---|
| WIG | (ISO 14175) I1 (=-) |
| MSG | (ISO 14175) M1, M2, M3, C1 (=+) |
Base materials
- St 35.8, St 45.8,
- HI, HII, 17 Mn 14, 19Mn6 ,15Mo3, 16Mo3
- GS-C25, GS-22 Mo 4
- WStE 255 bis WStE 460
- TÜV-Kennblatt 1000: Gruppe 1-5 und 8-10
- ISO 20172: Gruppe 1.2 / 1.3 (ReH max 460N/mm²)
- ISO 20172: Gruppe 2.1
- ISO 20172: Gruppe 3.1 (ReH max 460N/mm²)
Available forms and packaging
- MIG: gespult auf D100 / D200 / K 200 / K 300
- WIG: verpackt im Karton a 25 kg (1,0mm - 3,0mm)
- Prägung DT SG Mo
- auf D100 für WIG-Kaltdrahtschweißungen
Diameters: 1,0 mm 3,0 mm
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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