| 类型 |
多款供选 |
标准直径 |
1.60、2.00、2.40、3.20、4.00（mm）（mm）（mm） |
相当规格：GB T8110 ER50-G
JIS Z3316 YGT -50
AWS A5.18 ER70S-G
认证机构：CCS、ABS、DNV、GL、LR
|
TIG-50
特性与用途：
适于软钢及490MPa级高强度钢之造船、石油化学、核能电厂管路等高压设备场合之管件对接及角焊用。
TIG-50使用纯氩气做TIG保护气体，可全位置作业特别适于管路之第一道打底焊接，使用直流负电极(DC-)施焊。
注意事项：
(1) (1) 所使用之氩气保护气体纯度要在99.997%以上且气体流量控制要适当，通常焊接电流在100~200 Amp时，气体流量约7~12 L/min；200~300 Amp时，气体流量约12~15 L/min。
(2) (2) 施焊时须有适当的防风设施，否则保护气体易受风的影响而致气体保护不良使焊道劣化而发生气孔。
(3)适当选择集气瓷杯及控制钨电极的恰当伸出长度。
(4)母材表面之锈层、油污、灰尘等须确实除净。
焊道化学成份之一例(wt%)：
C
|
Mn
|
Si
|
P
|
S
|
0.060
|
1.26
|
0.83
|
0.015
|
0.018
|
焊道机械性质之一例：
屈服强度
MPa
|
抗拉强度
MPa
|
伸长率
(%)
|
冲击值-29℃
J
|
450
|
560
|
31
|
186
|
包装尺寸：
线径(mm)
|
1.6
|
2.0
|
2.4
|
2.6
|
3.2
|
4.0
|
长度(mm)
|
1000
|
| *留言内容： |
|
| *验证码： |
 |
| |
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