SteelWe logoSteelWe logoSteelWeSteel is We.
Q&AKnowledgeStandardsCommunityExpertsCompanies
中文MeSign inAsk
SteelWe logo
SteelWe
Steel is We.

Content is for industry exchange only and does not constitute trading or investment advice.

Community
  • Q&A
  • Ask
  • Search
Knowledge
  • Knowledge
  • Standards
  • Defects
About
  • About us
  • Guidelines
  • Privacy
  • RSS · 知识
  • RSS · 社区
© 2026 SteelWe(钢维). All rights reservedGB/T · ASTM · EN · JIS · ISO
⌂Home💬Forum❓Q&A▤KB👤Me
← Back to community
加工工艺FeaturedPinned

316L 薄板 TIG 焊,收弧处总是有针孔

陈陈焊工·11/5/2026, 1:34:59 AM👁 519

1.5mm 316L 对接焊,收弧位置经常出现小针孔,探伤不过。试过延长保护气效果一般。有没有同行有稳定的收弧工艺参数?

#焊接#TIG#316L
Plain text; no ads

Replies (2)

王
王质检11/5/2026

还要查气体纯度和流量,薄板流量 8-10L/min 够了,太大反而卷气。

张
张工11/5/2026

收弧延长氩气 3-5 秒,电流衰减,收弧前补一点焊丝填弧坑,基本能解决。