化學成分
|
產(chǎn)品型號
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
|
TGF308
|
≤0.08
|
≤0.65
|
1.0-2.5
|
≤0.03
|
≤0.03
|
9.0-11.0
|
19.5-22.0
|
——
|
|
TGF308L
|
≤0.03
|
≤0.65
|
1.0-2.5
|
≤0.03
|
≤0.03
|
9.0-11.0
|
19.5-22.0
|
——
|
|
TGF309
|
≤0.12
|
≤0.65
|
1.0-2.5
|
≤0.03
|
≤0.03
|
12.0-14.0
|
23.0-25.0
|
——
|
|
TGF309L
|
≤0.03
|
≤0.65
|
1.0-2.5
|
≤0.03
|
≤0.03
|
12.0-14.0
|
23.0-25.0
|
——
|
|
TGF316L
|
≤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
|
≤0.08
|
≤0.65
|
1.0-2.5
|
≤0.03
|
≤0.03
|
9.0-11.0
|
19.0-21.5
|
≤1.0
|
焊接工藝參數(shù)
|
T：板厚mm；θ：坡口角度°；a：鈍邊厚度mm；b：對口間隙mm
|
|||||||
|
焊接位置
|
坡口狀況
|
焊接條件
|
|||||
|
T
|
θ
|
a
|
b
|
電流（A）
|
其它
|
||
|
平仰
|
≤3
|
0
|
0
|
2-4
|
100-140
|
焊絲直徑：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
|
|||
包裝：5Kg/20Kg；長度：1000mm；直徑：φ2.0-2.5mm；
