MWA 312T (AWS A5.9 ER312)
Ideal for repairing tools, dies, spring steel and any dissimilar metal combinations, except for the aluminum and copper alloys. It is also recommended for repairing worn parts and as an underlay for hardfacing.
The ultimate electrode for welding all types of steels, without any danger of cracking or breakage.
MWA 312T适用于焊接所有类型钢的全能焊丝，没有任何破裂或断裂的危险。
由于其卓越的强度和抗裂性，MWA 312R是修理工模具、弹簧钢和任何异种金属组合（铝和铜合金除外）的理想选择。也适用于修理磨损的零件，并用作硬面层的缓冲层。
Typical All Weld Metal Chemical Analysis (%)
典型全焊缝金属成分
|
C |
Mn |
Cr |
Si |
S |
Ni |
P |
Mo |
Cu |
|
0.12 |
1.82 |
29.45 |
0.42 |
0.001 |
9 |
0.03 |
0.03 |
0.05 |
Typical All Weld Metal Mechanical Properties（As Welded）
典型全焊缝金属机械性能（焊态）：
Tensile Strength抗拉强度： 126,000 psi(868 N/mm2)
Tensile Strength抗拉强度(工作硬化)： 90,000 psi(620 N/mm2)
Elongation延伸率： 32%
Sizes Available and Recommended Amperages
尺寸/电流：
|
直径(mm) |
2.5 |
3.2 |
|
电流(A) |
120-175 |
165-195 |
|
电压(V) |
15-20 |
21-25 |
Current电流：DC (+)
Related Specification参考标准：
AWS/ASME A5.9 ER312