MK·GHS70
Published：2009/12/17
Standard:GB ER69-G AWS ER100S-G
Characteristics:MK GHS70 is gas shielded welding wire of Mn-Mo-Ni low alloy steel, with the use of Ar+20%CO2 gas shielded, it has good weldability, higher melting deposited metal strength, and at same time it also has excellent low temperature toughness.
Application:The welding of steel plate with 700MPa grade, e.g. HG70、Q550 etc.
Chemical composition(%)
|
C |
Mn |
Si |
S |
P |
Cu |
Cr |
Ni |
Mo |
Ti |
|
≤0.12 |
1.20-1.90 |
0.40-0.80 |
≤0.025 |
≤0.025 |
≤0.50 |
- |
memoral |
memoral |
memoral |
Typical mechanical properties of deposited metal:
|
Rm(MPa) |
Rp0.2(MPa) |
A(%) |
Akv(-20℃)(J) |
Shielded gas |
|
745 |
635 |
24 |
120 |
Ar+20%CO2 |
Diameter and current: (DC＋)
|
Diameter(mm) |
ф0.8 |
ф1.0 |
ф1.2 |
ф1.6 |
|
Current(A) |
50-150 |
50-220 |
80-320 |
160-400 |
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