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適用于焊接所有類型鋼的全能焊絲，沒有任何破裂或斷裂的危險(xiǎn)。
由于其卓越的強(qiáng)度和抗裂性，MWA 312R是修理工模具、彈簧鋼和任何異種金屬組合（鋁和銅合金除外）的理想選擇。也適用于修理磨損的零件，并用作硬面層的緩沖層。
Typical All Weld Metal Chemical Analysis (%)
典型全焊縫金屬成分
|
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）
典型全焊縫金屬機(jī)械性能（焊態(tài)）：
Tensile Strength抗拉強(qiáng)度： 126,000 psi(868 N/mm2)
Tensile Strength抗拉強(qiáng)度(工作硬化)： 90,000 psi(620 N/mm2)
Elongation延伸率： 32%
Sizes Available and Recommended Amperages
尺寸/電流：
|
直徑(mm) |
2.5 |
3.2 |
|
電流(A) |
120-175 |
165-195 |
|
電壓(V) |
15-20 |
21-25 |
Current電流：DC (+)
Related Specification參考標(biāo)準(zhǔn)：
AWS/ASME A5.9 ER312