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Delivery program

CW452K

circular blank

A technical illustration of the product with dimensions of the material CW452K from the material Bronze in the shape circular blank
  • Form circular blank
  • Material Bronze
  • Material CW452K
  • Material chemically EN 573-3 CuSn6
An image of the material CW452K from the material Bronze in the shape circular blank

Areas of application

Springs for contacts and end contacts

Gear wheels, bushes

pump parts, watch parts

Parts in the paper, pulp, textile and chemical industries as well as in shipbuilding, mechanical engineering and apparatus engineering

Features of this material

  • Good cold forming and limited hot forming from 750 to 850 degrees.
  • CuSn6 has good resistance to seawater, various agents and industrial atmospheres and is very good tarnish resistant

Information about the material

  • Aviation
    Aviation No
  • Chemical specifications
    Fe (from) 0,1
    Fe (to) 0,1
    Ni (from) 0,2
    Other 0,2
    P (from) 0,01
    P (to) 0,4
    Pb (from) 0,02
    Pb (to) 0,02
    Rest Cu
    Sn (from) 5,5
    Sn (to) 7
    Zn (from) 0,2
    Zn (to) 0,2
  • Food industry
    suitable according to DIN EN 602 No
  • Material
    Material chemically EN 573-3 CuSn6
    Material no CW452K (2.1020)
  • physical properties
    Coefficient of thermal expansion from 20 to 100°C 18 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 200°C 18.5 K⁻¹10⁻⁶
    Density 8.82 g/cm³
    Modulus of elasticity at 100°C 98 GPa
    Modulus of elasticity at 20°C 102 GPa
    Modulus of elasticity at 200°C 94 GPa
    Modulus of elasticity at 300°C 89 GPa
    Specific electrical conductivity at 20°C 9 m/Ω*mm²
    Specific electrical conductivity at 200°C 7.8 m/Ω*mm²
    Specific electrical resistance at 20°C 0.111 Ω*mm²/m
    Specific electrical resistance at 200°C 0.128 Ω*mm²/m
    Specific heat at 20°C 0.377 J/(kg·K)
    Thermal conductivity at 20°C 75 W/m*K
    Thermal conductivity at 200°C 98 W/m*K
  • Soldering
    Brazing 2
    Soft soldering 1
  • Welding
    Gas 3
    MIG 2
    Resistance spot welding 2
    TIG 2
  • Aviation
    Aviation No
  • Chemical specifications
    Fe (from) 0,1
    Fe (to) 0,1
    Ni (from) 0,2
    Other 0,2
    P (from) 0,01
    P (to) 0,4
    Pb (from) 0,02
    Pb (to) 0,02
    Rest Cu
    Sn (from) 5,5
    Sn (to) 7
    Zn (from) 0,2
    Zn (to) 0,2
  • Food industry
    suitable according to DIN EN 602 No
  • Material
    Material chemically EN 573-3 CuSn6
    Material no CW452K (2.1020)
  • physical properties
    Coefficient of thermal expansion from 20 to 100°C 18 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 200°C 18.5 K⁻¹10⁻⁶
    Density 8.82 g/cm³
    Modulus of elasticity at 100°C 98 GPa
    Modulus of elasticity at 20°C 102 GPa
    Modulus of elasticity at 200°C 94 GPa
    Modulus of elasticity at 300°C 89 GPa
    Specific electrical conductivity at 20°C 9 m/Ω*mm²
    Specific electrical conductivity at 200°C 7.8 m/Ω*mm²
    Specific electrical resistance at 20°C 0.111 Ω*mm²/m
    Specific electrical resistance at 200°C 0.128 Ω*mm²/m
    Specific heat at 20°C 0.377 J/(kg·K)
    Thermal conductivity at 20°C 75 W/m*K
    Thermal conductivity at 200°C 98 W/m*K
  • Soldering
    Brazing 2
    Soft soldering 1
  • Welding
    Gas 3
    MIG 2
    Resistance spot welding 2
    TIG 2
  • Aviation
    Aviation No
  • Chemical specifications
    Fe (from) 0,1
    Fe (to) 0,1
    Ni (from) 0,2
    Other 0,2
    P (from) 0,01
    P (to) 0,4
    Pb (from) 0,02
    Pb (to) 0,02
    Rest Cu
    Sn (from) 5,5
    Sn (to) 7
    Zn (from) 0,2
    Zn (to) 0,2
  • Food industry
    suitable according to DIN EN 602 No
  • Material
    Material chemically EN 573-3 CuSn6
    Material no CW452K (2.1020)
  • physical properties
    Coefficient of thermal expansion from 20 to 100°C 18 K⁻¹10⁻⁶
    Coefficient of thermal expansion from 20 to 200°C 18.5 K⁻¹10⁻⁶
    Density 8.82 g/cm³
    Modulus of elasticity at 100°C 98 GPa
    Modulus of elasticity at 20°C 102 GPa
    Modulus of elasticity at 200°C 94 GPa
    Modulus of elasticity at 300°C 89 GPa
    Specific electrical conductivity at 20°C 9 m/Ω*mm²
    Specific electrical conductivity at 200°C 7.8 m/Ω*mm²
    Specific electrical resistance at 20°C 0.111 Ω*mm²/m
    Specific electrical resistance at 200°C 0.128 Ω*mm²/m
    Specific heat at 20°C 0.377 J/(kg·K)
    Thermal conductivity at 20°C 75 W/m*K
    Thermal conductivity at 200°C 98 W/m*K
  • Soldering
    Brazing 2
    Soft soldering 1
  • Welding
    Gas 3
    MIG 2
    Resistance spot welding 2
    TIG 2

1 very good
2 good
3 moderate
4 poor
5 unsuited
0 Not specified

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