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C 220

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Description

Cold working steel with reasonable dimensional stability and abrasive wear resistance. Suitable for low-stress tools and for high surface hardness parts for high-load bearing and friction work.

Main applications

  • Bearing rings
  • Bushings and bolts
  • Dies and mandrels for pipe extrusion
  • Lathe points and wood work tools

Delivery status

Annealed

Hardness of the supply

  • Min: -
  • Med: -
  • Max: 223 HB
  • Composition
  • Services
  • Heat Treatments
  • Download

Profiles available

Thickness Tolerance
Round 20 - 100 mm EN 10060

Chemical composition (%) 1

Min Med Max
C
0,95 1,10
Si
0,15 0,35
Mn
0,25 0,45
P
0,025
S
0,025
Cr
1,35 1,65
Mo
0,10
Ni
0,40

Chemical composition (%) 1

Min Med Max
C
0,93 1,05
Si
0,15 0,35
Mn
0,25 0,45
P
0,025
S
0,015
Cr
1,35 1,60
Mo
0,10
Cu
0,30
Al
0,05

Physical properties

Density : 7,84
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
12,5 13,2 13,6 14 14,3 --- ---
Thermal Conductivity W/mk
20 ⁰C 200 ⁰C 300 ⁰C 350 ⁰C 400 ⁰C 600⁰C 700 ⁰C
35 --- --- --- --- --- ---
GPa
-100 ⁰C 0 ⁰C 20 ⁰C 100 ⁰C 200 ⁰C 300 ⁰C 400 ⁰C 500 ⁰C 600 ⁰C
--- --- 212 --- --- --- --- --- ---

Mechanical properties

Condition Ø Thickness Mechanical properties
Hardness Rm Rp0,2 ReH A Z RC
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 - - - - - - - - -
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

The hardness value is part of the specification of the material.

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Updated on: 05.05.2022
  • Composition

    Profiles available

      • Round
      • 20 - 100 mm
      • EN 10060

    Chemical composition (%) 1

    Min Med Max
    C
    0,95 1,10
    Si
    0,15 0,35
    Mn
    0,25 0,45
    P
    0,025
    S
    0,025
    Cr
    1,35 1,65
    Mo
    0,10
    Ni
    0,40

    Chemical composition (%) 2

    Min Med Max
    C
    0,93 1,05
    Si
    0,15 0,35
    Mn
    0,25 0,45
    P
    0,025
    S
    0,015
    Cr
    1,35 1,60
    Mo
    0,10
    Cu
    0,30
    Al
    0,05

    Physical properties

    Density : 7,84
    10ˉ⁶m/mK
    20 a 100 ⁰C 12,5
    20 a 200 ⁰C 13,2
    20 a 300 ⁰C 13,6
    20 a 400 ⁰C 14
    20 a 500 ⁰C 14,3
    20 a 600 ⁰C ---
    20 a 700 ⁰C ---
    Thermal Conductivity W/mk
    20 ⁰C 35
    200 ⁰C ---
    300 ⁰C ---
    350 ⁰C ---
    400 ⁰C ---
    600⁰C ---
    700 ⁰C ---
    GPa
    -100 ⁰C ---
    0 ⁰C ---
    20 ⁰C 212
    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

    The hardness value is part of the specification of the material.

  • Services
  • Heat Treatments
  • Download

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Hardness HB

80
500

Hardness HRC

70
50 – 62

Resistance to abrasive wear

100
55

Resistance to adhesive wear

100
45

Resistance to tempering

100
15

Resistance to heat wear

100
50

Resistance to fatigue

100
20

Compressive strength

100
70

Toughness

100
45

Ductility

100
29

Corrosion resistance

100
25

Machinability

100
50

Suitability for welding

100
10

Suitability for polishing

100
35

Thermal fatigue

100
25

Suitability for nitriding

100
20

Suitability for texture

100
25

Number of cycles (Durability)

100
35

Creep resistance

100
20

Hardenability

100
30
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