Welding issues

2019-05-17View Original

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All pipes are made of 20# steel! Is it necessary to prepare a welding procedure qualification? Request a template

Reply #22019-05-17

Seamless tube 8163/9948

Reply #32019-05-17

Welding of pressure pipelines shall be accompanied by a welding procedure qualification

Reply #42019-05-17

There are standards for pipeline welding procedure qualification

Reply #52019-05-18

Process qualification is required, not the material. . For the welds of general pressure-bearing equipment, process qualification is required.

Reply #62019-05-18

GB50236-2001, 5.0.1 specifies and explains this

Reply #72019-05-21

A new company? There can’t be no welding qualification even for 20# steel, right? Then what’s the point of working?

Reply #82019-05-21

Construction companies will carry out welding procedure qualification

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Welding issues

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