CW452K

ring

Delivery condition

Thickness (s) in mm

Outer diameter (Ø1) in mm

Inner diameter (Ø2) in mm

Quantity

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

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

Aviation

Food industry

suitable according to DIN EN 602

Material

Material chemically EN 573-3	Bronze Cu Sn 6
Material no	CW452K (2.1020)

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

Aviation

Aviation	No
Aviation	No

Food industry

suitable according to DIN EN 602	No
suitable according to DIN EN 602	No

Material

Coefficient of thermal expansion from 20 to 100°C	18 K⁻¹10⁻⁶
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
Coefficient of thermal expansion from 20 to 200°C	18.5 K⁻¹10⁻⁶
Density	8.82 g/cm³
Density	8.82 g/cm³
Modulus of elasticity at 100°C	98 GPa
Modulus of elasticity at 100°C	98 GPa
Modulus of elasticity at 20°C	102 GPa
Modulus of elasticity at 20°C	102 GPa
Modulus of elasticity at 200°C	94 GPa
Modulus of elasticity at 200°C	94 GPa
Modulus of elasticity at 300°C	89 GPa
Modulus of elasticity at 300°C	89 GPa
Specific electrical conductivity at 20°C	9 m/Ω*mm²
Specific electrical conductivity at 20°C	9 m/Ω*mm²
Specific electrical conductivity at 200°C	7.8 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 20°C	0.111 Ω*mm²/m
Specific electrical resistance at 200°C	0.128 Ω*mm²/m
Specific electrical resistance at 200°C	0.128 Ω*mm²/m
Specific heat at 20°C	0.377 J/(kg·K)
Specific heat at 20°C	0.377 J/(kg·K)
Thermal conductivity at 20°C	75 W/m*K
Thermal conductivity at 20°C	75 W/m*K
Thermal conductivity at 200°C	98 W/m*K
Thermal conductivity at 200°C	98 W/m*K