化学成分
|
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 |
焊接工艺参数
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
|
包装:5Kg/20Kg;长度:1000mm;直径:φ2.0-2.6mm;其它规格如φ1.6mm需定制。