eFunda Properties of Alloy Steel AISI 4140
Steel Class Alloy steel Type Standard Common Names Chromium-molybdenum steel Designations France AFNOR 40 CD 4 , AFNOR 42 CD 4 Germany DIN 1.7225 Italy UNI 38 CrMo 4 KB , UNI 40 CrMo 4 , UNI G 4O CrMo 4 Japan JIS SCM 4 , JIS SCM 4 H Sweden SS 2244 United Kingdom B.S. 708 A 42 , B.S. 708 M 40 , B.S. 709 M 40
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sa36 coil for welded structure mechanical properties