MJM Industrial Limited
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Address: 2307 Huiya Intl, 1107 Tiantong North Road, Ningbo, China
TEL: 86-574-83065330
FAX : 86-574-83065331
Forged & Rolled Ring

Forged & Rolled Ring

We offer Forged & Rolled Ring, the material of C45, 50Mn, 42CrMo Normally we deliver the forged rings after rough machining and quenching, and the tolerance can be discussed. Chemical Analysis Mechanical Properties Contrast of Steel Grade Heat treatment: Quenching & Tempering,...

    We offer Forged & Rolled Ring, the material of C45, 50Mn, 42CrMo

    Normally we deliver the forged rings after rough machining and quenching, and the tolerance can be discussed. 


    Chemical Analysis

    Steel

        C

         Si

        Mn

        P

       S

      Cr

    Mo

       Ni

       Cu

    50Mn

    0.48~0.56

    0.17~0.37

    0.70~1.00

    0.035

    0.035

    0.25

     —

    0.30  

    0.20

    42CrMo

    0.38~0.45

    0.17~0.37

    0.50~0.80

    0.035

    0.035

    0.90~1.20

    0.15~0.25

    45

    0.42~0.50

    0.17~0.37

    0.50~0.80

    0.035

    0.035

    0.25

       —

    0.30

    0.20

     * or other materials as required by customers


    Mechanical Properties

    Steel Grade

    Tensile Strength σb

    Yield Point σs

    Elongation δ5

    Shrinkage ψ

    Impact Aku2

    GB/T 699-1999

    645MPa

    390MPa

    13%

    40%

    31J

    50Mn

    GB/T 699-1999

    1080MPa

    930MPa

    12%

    45%

    63J

    42CrMo

    GB/T 699-1999

    600MPa

    355MPa

    16%

    40%

    39J

    C45


    Contrast of Steel Grade

    Chinese Standard

    DIN Standard

    AISI Standard

    ISO Standard

    GB/T 699-1999

    AISI1053

    SLSM

    50Mn

    GB/T 699-1999

    42CrMo4

    4140

    42CrMo4

    42CrMo

    GB/T 699-1999

    C45E

    AISI1045

    C45E4

    C45


    Heat treatment: Quenching & Tempering, Normalizing

    Hardness of forged rings

    Steel Grade

    Quenching&Tempering

       Normalizing

             Hardness

        Hardness

    GB/T 699-1999

    HB229~269

      HB179~235

    50Mn

    GB/T 699-1999

    HB269~321

    *

    42CrMo

    GB/T 699-1999

    HB228~280

     HB170~217

    C45

    * As required by customers



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    Forged & Rolled Ring

    MJM Industrial Limited is well-known as one of the leading Forged & Rolled Ring manufacturers and suppliers in China, which is equipped with a professional factory. We also deal with wholesale business. Come and buy customized Forged & Rolled Ring made in China with us.
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