Gas welding rods
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DIN EN ISO: 20378 - O VAWS: A5.2 ~R65Material no.: 1.7346
Gas welding rods for mild and low alloyed steels
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Characteristics and application
Rod for gas welding of high temperature creep resistant 1.25%Cr-0.5%Mo ferritic steels, i.e. P11/P12. These steels are used for creep resisting applications up to ~550°C. Typical applications in power generation plant include steam piping, turbines and boilers; the alloy also finds applications in the chemical and petro-chemical industries.
Base materials
For matching 1.25%Cr-0.5%Mo creep resisting ferritic steels.
13CrMo 4-5, 16CrMo 4-4, G-17CrMo 5-5, 24CrMo5, 25CrMo4
ASTM: A182 grades F11/F12, A199/A200 grade T11, A217 grades WC6/WC11, A234 grades WP11/WP12, A335 grades P11/P12, A387 grades 11/12
Classifications
| DIN EN ISO | 20378 - O V |
|---|---|
| AWS | A5.2 ~R65 |
| Material no. | 1.7346 |
Typical analysis in %
| C | Si | Mn | Cr | Mo |
|---|---|---|---|---|
| 0,12 | 0,15 | 0,95 | 1,15 | 0,50 |
Mechanical properties
| Yield strength (MPa) | ≥ 320 |
|---|---|
| Tensile strength (MPa) | ≥ 510 |
| Elongation (%) | 4d/5d: ≥20 |
| Charpy-V value (ISO-V, J) | RT ≥ 70 |
Typical heat treatment
Preheat temperature: 200°C
Interpass temperature: max. 300°C
PWHT: 620-690°C
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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