F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 33/06 (2006.01) C23C 8/38 (2006.01) C23C 8/80 (2006.01) F16B 25/10 (2006.01) F16B 33/00 (2006.01)
Patent
CA 2160793
The present invention relates to a screw, consisting of austenitic stainless steel with a hardness which does not exceed 250 HV, which stainless austenitic steel exhibits a surface hardened layer (3), produced by ion nitriding, which has a thickness of 0.01-0.2 mm and a hardness of at least 900 HV.
Bergholtz Goran
Fetherstonhaugh & Co.
Westlund Tonny
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