Welded pipe production process:
1.Raw material inspection
welded stainless steel pipe
Welding Pipe Technology
Advantage: high welding quality and good penetration performance.
Appliance: Welded pipe products in the chemical industry, nuclear industry and food industry has been widely used.
Disadvantage: welding speed is not high
(2)High frequency welding
Advantage: welding high speed.
Disadvantage: It’s hard to remove burrs in the pipe. AISI 409
(3)Combined welding technology
Argon arc welding and plasma welding; High frequency and Plasma welding ;
High frequency preheat and three torch argon arc welding;
High frequency preheat and plasma argon welding
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