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American-Standard Rail Metal Clips Fasteners

American-Standard Rail Metal Clips Fasteners

Introduction to the product of American-Standard Rail Metal Clips Fasteners The American-Standard Rail Metal Clips Fasteners point is the fastener on the rail. Technical requirements of the U.S. standard missile 1. The material of the American-Standard Rail Metal Clips Fasteners bar is 60Si2Mn...

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Introduction to the product of American-Standard Rail Metal Clips Fasteners

The American-Standard Rail Metal Clips Fasteners point is the fastener on the rail.

Technical requirements of the U.S. standard missile

1. The material of the American-Standard Rail Metal Clips Fasteners bar is 60Si2Mn or 55Si2Mn hot-rolled spring round steel, and the technical requirements shall comply with the provisions of GB 1222.


2. The hardness of the cartridge is HRC41 ~ 46.

 

3. The metallographic structure of the projectile should be homogeneous in the tempering trophs and the soxite body, and the center of the heart is allowed to have a small amount of the discontinuous ferrite.

 

4. The American-Standard Rail Metal Clips Fasteners bars shall not be overheating or overburning.

The depth of surface decarburization shall include no more than 0.3mm of pure iron and transition layer.

 

5. After residual deformation test, the permanent deformation value of the front end shall not be greater than 1mm.

 

Standard: American standard, European standard, etc


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