Hardness, Rockwell C (Converted from Brinell hardness, value below normal HRC range, for comparison purposes only.) 17 17 AMS 6350 AMS 6373 ASTM A506 MIL S-18729 UNI 25 CrMo 4 AMS 6351 AMS 6374 ASTM ...
For years, a four-digit AISI/SAE (American Iron and Steel Institute/Society of Automotive Engineers) index system identified certain grades of carbon and alloy steels according to standard chemical ...
Fasteners are often made of steel, but there are many different types of steel. Here are the steels most commonly used for fasteners: Alloy steels: Steels alloyed with molybdenum, nickel, and chromium ...