MACHINERY AND CARBON STEELS

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  • 4140 4340
    Chemical composition C = 0.45, Si = 0.30, Mn = 0.7, Cr = 1.2, Mo = 0.25
    Supply Condition Forged &Normalized, hardness 170-230 HB
    Nearest Equivalent DIN 42CrMo4, JIS SCM 440
    Chemical composition C = 0.34, Si = 0.30, Mn = 0.5, Cr = 1.5, Mo = 0.2, Ni = 1.5
    Supply Condition Forged and Normalized, Premachined, hardness 200-225 HB
    Nearest Equivalent DIN 1.6582, JIS SNCM1
  • SCM440 SCM415
    Chemical composition C = 0.38-0.43, Si = 0.15-0.35, Mn = 0.60-0.85, Cr = 0.90-1.20,Mo = 0.17-0.20
    Supply Condition AISI 4140, DIN 1.7225 42CrMo4
    Nearest Equivalent DIN 16CrMo4, JIS SCM21
    Chemical composition C = 0.12-0.18, Si = 0.15-0.35, Mn = 0.40-0.70, Ni = 1.60-2.00,Cr = 0.40-0.65, Mo = 0.15-0.30
    Supply Condition As rolled,, hardness160-180 HB
    Nearest Equivalent DIN 16CrMo4, JIS SCM21
  • CM50 S50C S45C
    Chemical composition C = 0.50, Si = 0.30, Mn = 0.9
    Supply Condition Hot rolled, annealed, hardness 170-210 HB
    Nearest Equivalent AISI 1050, JIS S50C, CK50
    Chemical composition C = 0.51, Mn = 0.68, Si = 0.31, Cr = 0.31, Ni = 0.46
    Supply Condition Hot forged, annealed, hardness 170-210 Hb
    Nearest Equivalent AISI 1050, CK50
    Chemical composition C = 0.45, Si = 0.24, Mn = 0.66, P = 0.014, S = 0.004, Cr = 0.06,Ni = 0.01, Cu = 0.02
    Supply Condition As rolled, hardness 195-240 HB
    Nearest Equivalent AISI 1045, CK45
  • CM55 S55C
     
    Chemical composition C = 0.50, Si = 0.30, Mn = 0.90
    Supply Condition Hot rolled, annealed, hardness 170-210 HB
    Nearest Equivalent AISI 1050, JIS S50C, CK50
    Chemical composition C = 0.50, Si = 0.30, Mn = 0.90
    Supply Condition Hot rolled, annealed, hardness 170-210 HB
    Nearest Equivalent AISI 1050, JIS S50C, CK50

     

 

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