A copper coated, low alloyed, molybdenum (0,5% Mo) rod for GTAW of creep resistant steels of the same type, such as pipes in pressure vessels and boilers with a working temperature of up to about 500 ﾰC.
| Specifications | |
|---|---|
| Classifications | EN ISO 636-A : W 46 2 2Mo EN ISO 636-A : W 2Mo EN ISO 21952-A : W MoSi EN ISO 21952-B : W 52 1M3 SFA/AWS A5.28 : ER70S-A1 (ER80S-G) |
| Approvals | CE : EN 13479 DB : 42.039.08 DNV-GL : III YMS (I1) UKCA : EN 13479 VdTÜV : 04950 |
| Alloy Type | Low alloyed steel (0.5 % Mo) |
| Shielding Gas | I1 (EN ISO 14175) |
| Typical Tensile Properties | |||
|---|---|---|---|
| Condition | Yield Strength | Tensile Strength | Elongation |
| EN Ar (I1) | |||
| As Welded | 490 MPa | 600 MPa | 30 % |
| PWHT 1 hour(s) 620 °C |
450 MPa | 550 MPa | 31 % |
| AWS Ar (I1) | |||
| As Welded | 520 MPa | 620 MPa | 27 % |
| PWHT 1 hour(s) 620 °C |
510 MPa | 610 MPa | 28 % |
| Typical Charpy V-Notch Properties | ||
|---|---|---|
| Condition | Testing Temperature | Impact Value |
| EN Ar (I1) | ||
| As Welded | 20 °C | 180 J |
| PWHT 1 hour(s) 620 °C |
20 °C | 190 J |
| As Welded | -20 °C | 160 J |
| PWHT 1 hour(s) 620 °C |
-20 °C | 170 J |
| As Welded | -40 °C | 90 J |
| As Welded | -60 °C | 25 J |
| AWS Ar (I1) | ||
| PWHT 1 hour(s) 620 °C |
-20 °C | 220 J |
| As Welded | -29 °C | 150 J |
| As Welded | -46 °C | 130 J |
| Typical Weld Metal Analysis % | ||||||
|---|---|---|---|---|---|---|
| C | Mn | Si | S | P | Mo | Cu |
| 0.1 | 1.1 | 0.7 | 0.015 | 0.015 | 0.5 | 0.2 |
| Typical Wire Composition % | |||||
|---|---|---|---|---|---|
| C | Mn | Si | Ni | Cr | Mo |
| 0.094 | 1.09 | 0.61 | 0.05 | 0.05 | 0.45 |
