EN 10277-2 Grade ZSt50-2 cold drawn

EN 10277-2 Grade ZSt50-2 cold drawn introduction

ZSt 50-2 is a bright drawn steel grade for wear and strength loaded parts (bolts, shafts, spindles).

Equivalent material: DIN E295GC, DIN 1.0533, AFNOR E295GC, BS E295GC, JIS SS490, EN E295GC, EN 1.0533, ISO Fe 490, GB Q275B, ASTM Grade A

Property	Temperature	Value	Comment
Density	23.0 °C	Density of 7.8 - 7.9 g/cm³	Typical for Medium Carbon Steel

Property	Temperature	Value	Comment
Coefficient of thermal expansion	23.0 °C	Coefficient of thermal expansion of 1.32E-5 1/K	Typical for Medium Carbon Steel
Max service temperature	-	Max service temperature of 500 °C	Typical for Carbon Steel
Melting point	-	Melting point of 1380 - 1514 °C	Typical for Medium Carbon Steel
Specific heat capacity	23.0 °C	Specific heat capacity of 470 - 520 J/(kg·K)	Typical for Medium Carbon Steel
Thermal conductivity	23.0 °C	Thermal conductivity of 21 - 52 W/(m·K)	Typical for Medium Carbon Steel

Property	Temperature	Value	Comment
Electrical resistivity	23.0 °C	Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m	Typical for Carbon Steel

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	Elastic modulus of 200 - 215 GPa	Typical for Medium Carbon Steel
Elongation	20.0 °C	Elongation of 5 - 10 %	-
Poisson's ratio	23.0 °C	Poisson's ratio of 0.29 [-]	Typical for Medium Carbon Steel
Shear modulus	23.0 °C	Shear modulus of 75 - 80 GPa	Typical for Carbon Steel
Tensile strength	20.0 °C	Tensile strength of 490 - 960 MPa	-
Yield strength	20.0 °C	Yield strength of 265 - 590 MPa	-

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