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RMC 20

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Description

Carburizing alloy steel.

Brand notes

This brand also allows Wr.Nr. 1.2162 using a PLATE

Main applications

  • Gears
  • Bushings and bolts
  • Steering joints
  • Eccentrics and lathe trees
  • crankshafts and pistons

Delivery status

Natural

Hardness of the supply

  • Min: -
  • Med: -
  • Max: 217 HB
  • Composition
  • Services
  • Heat Treatments
  • Download

Profiles available

Thickness Tolerance
Round 100 - 280 mm EN 10060
Rectangular 10 - 70 mm EN 10058

Chemical composition (%) 1

Min Med Max
C
0,17 0,22
Si
0,40
Mn
1,10 1,40
P
0,025
S
0,035
Cr
1,00 1,30

Chemical composition notes

The chemical compositions indicated represent average values ??for each grade.

Physical properties

Density : 7,81
10ˉ⁶m/mK
20 a 100 ⁰C 20 a 200 ⁰C 20 a 300 ⁰C 20 a 400 ⁰C 20 a 500 ⁰C 20 a 600 ⁰C 20 a 700 ⁰C
11,7 12 12,40 --- --- --- ---
Thermal Conductivity W/mk
20 ⁰C 200 ⁰C 300 ⁰C 350 ⁰C 400 ⁰C 600⁰C 700 ⁰C
42 --- --- --- --- --- ---
GPa
-100 ⁰C 0 ⁰C 20 ⁰C 100 ⁰C 200 ⁰C 300 ⁰C 400 ⁰C 500 ⁰C 600 ⁰C
--- --- 210 --- --- --- --- --- ---

Mechanical properties

Condition Ø Thickness Mechanical properties
Hardness Rm Rp0,2 ReH RC A Z
Hardened and tempered ≤ 16 - - - - - - - -
Drawn (+C) ≤ 16 - - - - - - - -
Ground (+SH) ≤ 16 - - - - - - - -
N/A ≤ 16 - - - - - - - -
Hardened and tempered ≤ 40 - - - - - - - -
Drawn (+C) ≤ 40 - - - - - - - -
Ground (+SH) ≤ 40 - - - - - - - -
N/A ≤ 40 - - - - - - - -
Hardened and tempered ≤ 100 - - - - - - - -
Drawn (+C) ≤ 100 - - - - - - - -
Ground (+SH) ≤ 100 - - - - - - - -
N/A ≤ 100 - - - - - - - -
Hardened and tempered - - - - - - - - -
Drawn (+C) - - - - - - - - -
Ground (+SH) - - - - - - - - -
N/A - - - - - - - - -
Hardened and tempered - - - - - - - - -
Drawn (+C) - - - - - - - - -
Ground (+SH) - - - - - - - - -
N/A - - - - - - - - -
Hardened and tempered - - - - - - - - -
Drawn (+C) - - - - - - - - -
Ground (+SH) - - - - - - - - -
N/A - - - - - - - - -

Notes on mechanical properties

"Hardness in the Annealed State Values Rm (Kg/mm2), Rp0.2 (Kg/mm2) and A % (Lo=5Do) are values of the core after Heat Treatment (Æ 30 mm)"

You can print this information
Updated on: 09.05.2022
  • Composition

    Profiles available

      • Round
      • 100 - 280 mm
      • EN 10060
      • Rectangular
      • 10 - 70 mm
      • EN 10058

    Chemical composition (%) 1

    Min Med Max
    C
    0,17 0,22
    Si
    0,40
    Mn
    1,10 1,40
    P
    0,025
    S
    0,035
    Cr
    1,00 1,30

    Chemical composition notes

    The chemical compositions indicated represent average values ??for each grade.

    Physical properties

    Density : 7,81
    10ˉ⁶m/mK
    20 a 100 ⁰C 11,7
    20 a 200 ⁰C 12
    20 a 300 ⁰C 12,40
    20 a 400 ⁰C ---
    20 a 500 ⁰C ---
    20 a 600 ⁰C ---
    20 a 700 ⁰C ---
    Thermal Conductivity W/mk
    20 ⁰C 42
    200 ⁰C ---
    300 ⁰C ---
    350 ⁰C ---
    400 ⁰C ---
    600⁰C ---
    700 ⁰C ---
    GPa
    -100 ⁰C ---
    0 ⁰C ---
    20 ⁰C 210
    100 ⁰C ---
    200 ⁰C ---
    300 ⁰C ---
    400 ⁰C ---
    500 ⁰C ---
    600 ⁰C ---

    Mechanical properties

    Please refer to the table in the downloads section.

    Notes on mechanical properties

    "Hardness in the Annealed State Values Rm (Kg/mm2), Rp0.2 (Kg/mm2) and A % (Lo=5Do) are values of the core after Heat Treatment (Æ 30 mm)"

  • Services
  • Heat Treatments
  • Download

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