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 |
Approvals are based on factory location. Please contact ESAB for more information.
| 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 |