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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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