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  4. Great gods, Q245R hardness must have standard code Q245R hardness requirement.

Great gods, Q245R hardness must have standard code Q245R hardness requirement.

小鱼曾乖乖
小鱼曾乖乖
Great gods, Q245R hardness needs standard code.
Q245R hardness required.
2018-10-22 Reply
big yang
big yang
With stress corrosion tendency, the hardness of welded joint after heat treatment is ≤ HB18
2018-10-22 10:21:31 Reply
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