How to issue a warranty certificate for flanges made of steel plates

2021-10-28View Original

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Flanges made of steel plates, such as Q235B, Q245R, Q345R. How should a warranty certificate be issued for such flanges? Is it different from the warranty certificate for forged flanges?

Reply #22021-10-29

The same. . . It’s just that the raw material for this flange is steel plate. . . . The raw material for forged flanges is forgings.

Reply #32021-10-29

So how should I format my quality assurance certificate?

Reply #42021-10-30

The quality certificates for flanges all have the same format. . At least the standard for the raw materials specified inside is sheet material

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How to issue a warranty certificate for flanges made of steel plates

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