AWS E9018-B3 is a kind of low hydrogen sodium type welding electrode, suitable for fabricating equipments of chemical and petroleum industries as well as high temperature, high pressure pipes, which is fabricated by Cr2.5Mo low alloy and work temperature lower than 550º C
Chemical Composition of Deposited Metal(%) |
C |
Mn |
Si |
S |
P |
Cr |
Mo |
0.05-0.12 |
≤0.90 |
≤0.80 |
≤0.030 |
≤0.030 |
2.00-2.50 |
0.90-1.20 |
0.080 |
0.75 |
0.24 |
0.010 |
0.012 |
2.34 |
1.14 |
Typical Mechanical Properties of Deposited Metal |
Yield Point Rel(Mpa) |
Tensile Stregth Rm(Mpa) |
Elongation A(%) |
AKv Value (J) |
|
|
|
≥530 |
≥620 |
≥17 |
- |
|
|
|
580 |
680 |
20 |
27ºC 180 |
|
|
|