Which raw material will be used for screw and bolt?
Tony Guan
Original
2015-07-07 10:44:07
Bolt & Screw Brief:
Bolt and Screw is one kind of standard part, so it play a important role in sheet metal fabrication parts now.
Bolt & Screw material brief:
In order to make the screw and bolt have a good characteristic, which material will be used for it?
1. carbon steel
Low carbon steel C%≤0.25%, in china, mainly A3, in USA, mainly 1008，1015，1018，1022. mainly for grade4-4.8 bolt and screw.
middle carbon steel 0.25%1035，CH38F，1039，40ACR
high carbon steel: C%>0.45%
2. Stainless steel : SUS302、SUS304、SUS316。
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