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C | Si | Mn | P | S | Ni | Cr | Mo | ||
TGF308 | 标准 | ≤0.08 | ≤0.65 | 1.0-2.5 | ≤0.03 | ≤0.03 | 9.0-11.0 | 19.5-22.0 | —— |
TGF308L | 标准 | ≤0.03 | ≤0.65 | 1.0-2.5 | ≤0.03 | ≤0.03 | 9.0-11.0 | 19.5-22.0 | —— |
TGF309 | 标准 | ≤0.12 | ≤0.65 | 1.0-2.5 | ≤0.03 | ≤0.03 | 12.0-14.0 | 23.0-25.0 | —— |
TGF309L | 标准 | ≤0.03 | ≤0.65 | 1.0-2.5 | ≤0.03 | ≤0.03 | 12.0-14.0 | 23.0-25.0 | —— |
TGF316L | 标准 | ≤0.03 | ≤0.65 | 1.0-2.5 | ≤0.03 | ≤0.03 | 11.0-14.0 | 18.0-20.0 | 2.0-3.0 |
TGF347 | 标准 | ≤0.08 | ≤0.65 | 1.0-2.5 | ≤0.03 | ≤0.03 | 9.0-11.0 | 19.0-21.5 | ≤1.0 |
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焊接位置 | 坡口状况 | 焊接条件 | ||||
T | θ | a | b | 电流(A) | 其它 | |
平仰 | ≤3 | 0 | 0 | 2-4 | 100-140 | 焊丝直径:2.0-2.6mm |
>3 | 30-40 | 1-3 | 2-4 | 100-180 | ||
垂直 | ≤3 | 0 | 0 | 2-4 | 80-120 | |
>3 | 30-40 | 1-3 | 2-4 | 100-160 |