CEN/TS 13388 Grade CW004A R200 – Premium Steel Material Specification

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BIKAR-METALLE GMBH

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Properties

General

Property	Temperature	Value
Density	23.0 °C	8.9 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	130 GPa
Elongation	23.0 °C	35 - 42 %
Elongation A100	23.0 °C	25 %
Elongation A50	23.0 °C	25 %
Poisson's ratio	23.0 °C	0.34 [-]	Typical for Wrought Copper Pure / Low Alloyed Copper
Shear modulus	23.0 °C	48 GPa	Typical for Wrought Copper Pure / Low Alloyed Copper
Tensile strength	23.0 °C	200 - 250 MPa
Yield strength Rp0.2	23.0 °C	100 - 120 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	20.0 °C	1.73E-5 1/K
	100.0 °C	1.73E-5 1/K

Melting point		1083 °C
Specific heat capacity	23.0 °C	377 - 420 J/(kg·K)	Typical for Wrought Copper Pure / Low Alloyed Copper
Thermal conductivity	23.0 °C	393 W/(m·K)

Electrical

Property	Temperature	Value
Electrical conductivity	23.0 °C	5.80E+7 S/m
Electrical resistivity	23.0 °C	1.72E-8 Ω·m

Chemical properties

Technological properties

Property
Brazing	hard brazing : good, soft brazing: very good
Workability	Cold forming degree between anneals: max. 90 %, general (condition): very good

Metal