Does anyone know what the numbers on this screw and nut mean?

2020-01-04View Original

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Does anyone know what the numbers on this screw and nut mean?

Reply #22020-01-04

30CrMo or 35CrMo

Reply #32020-01-04

Nuts and nut materials 30Crmo and 35Crmo are commonly used in pressure pipes and can be learned* one time

Reply #42020-01-04

Product grade is marked with performance grade.

Reply #52020-01-05

The nut material is 30CrMo and the screw material is 35CrMo

Reply #62020-04-05

The commonly used materials for pressure pipe nuts and nuts are 30Crmo and 35Crmo.

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