包装：
|
|
|
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 |
|
|
T：板厚mm；θ：坡口角度°；a：钝边厚度mm；b：对口间隙mm | ||||||
|
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 氩气流量：10-15L/min 钨极直径：2.4-3.2mm 电 源：直流 |
|
＞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 | ||
