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            DIN 1.7225/ 42CrMo4/4140 Special Alloy Steel


             

            Special Alloy Steel 1.7225/42CrMo4

            Equivalent grades: DIN1.7225/42CrMo4 , AISI 4140/SAE4140, GB 42CrMo
             

            Chemical composition :(%)

            C

            Si

            Mn

            Cr

            Mo

            P

            S

            0.38-0.43

            0.40max

            0.60-0.90

            0.90-1.20

            0.15-0.30

            0.035max

             Available sizes: Round dia 16mm to 600mm; flat 16 - 400mm x 200 – 800mm


             Manufacture: EF/ESR, hot forged/ hot rolled


             Surface condition: black/grinded/rough turned/milled


             Delivery condition: annealed/quenched and tempered(Q+T)


             Hardness: annealed, 241HBS max/ after Q+T, hardness requested by buyer


             
             
              Characteristics: special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability.


             Applications: components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering.


            (All technical information is for reference only.)

             




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