TIG welding rods
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DIN EN ISO: 21952-A W ZCrMoWVNb 9 0,5 1,5AWS: A5.28 ER90S-G
TIG welding rods for creep resisting steels
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Characteristics and application
TIG/GTAW wire for high temperature, creep resistant, modified 9%Cr-1%Mo martensitic steel (T92/P92). T92/P92 steel is commonly used at service temperatures up to 620°C. V, Nb and N additions provide this ‘creep strength enhanced ferritic’ (CSEF) alloy with improved high temperature creep resistance compared to standard CrMo creep resistant alloys. Alloy T92/P92 is widely used in the power generating industry for fossil fuel ultra-super-critical (USC) power plant boilers and turbines; the alloy is also finding applications in the chemical and oil and gas industries.
Base materials
For matching P92, 9%Cr-1.7%W-0.5%Mo, creep resisting martensitic steels.
X10CrWMoVNb 9 2
ASTM: A182 grade F92, A213 grade T92, A335 grade P92, A387 grade 92
Classifications
| DIN EN ISO | 21952-A W ZCrMoWVNb 9 0,5 1,5 |
|---|---|
| AWS | A5.28 ER90S-G |
Typical analysis in %
| C | Si | Mn | Cr | Ni | Mo | V | W | Nb |
|---|---|---|---|---|---|---|---|---|
| 0,10 | 0,35 | 0,44 | 8,80 | 0,50 | 0,40 | 0,20 | 1,60 | 0,05 |
Mechanical properties
| Yield strength (MPa) | ≥ 540 |
|---|---|
| Tensile strength (MPa) | ≥ 620 |
| Elongation (%) | 4d/5d: ≥17 |
| Charpy-V value (ISO-V, J) | RT ≥ 47 |
Typical heat treatment
Preheat temperature: 200°C
Interpass temperature: max. 300°C
PWHT: 760°C
Approvals
- CE
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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