EN 10139 Grade USt3 cold rolled, annealed

EN 10139 Grade USt3 cold rolled, annealed introduction

The soft non-alloy steel USt 3 is suited for cold forming and is offered in different conditions (K to K60) with different strength and depth indications.
The steel is applicated in the plant and tool engineering.
Free from stretcher lines for 4 weeks is garuanteed in the LG and K32 condition. No stretcher lines occur in the conditions K40 to K60.
The steel is weldable, in the conditions K32 to K40 the strength can be decreased post welding.

Equivalent material: CSN 11321, GOST 08ps5-G, ISO CR2, JIS PPCD, ÖNORM StO3F, PN G, SS SIS1146, DIN 1.0333, DIN USt 13, EN 1.0333

EN 10139 Grade USt3 cold rolled, annealed general

Property Temperature Value Comment
Density 20.0 °C Density of 7.8 - 7.9 g/cm³ Typical for Low Carbon Steel

EN 10139 Grade USt3 cold rolled, annealed thermal

Property Temperature Value Comment
Coefficient of thermal expansion 20.0 °C Coefficient of thermal expansion of 1.32E-5 - 1.38E-5 1/K Typical for Low Carbon Steel
Melting point - Melting point of 1480 - 1526 °C Typical for Low Carbon Steel

EN 10139 Grade USt3 cold rolled, annealed chemical

Property Value
Carbon Carbon of 0.08 %
Nitrogen Nitrogen of 7E-3 %

EN 10139 Grade USt3 cold rolled, annealed electrical

Property Value Comment
Curie temperature Curie temperature of 770 °C Typical for Low Carbon Steel

EN 10139 Grade USt3 cold rolled, annealed mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 200 - 215 GPa Typical for Low Carbon Steel
Elongation 20.0 °C Elongation of 35 % -
Elongation A80 20.0 °C Elongation A80 of 32 % -
Poisson's ratio 20.0 °C Poisson's ratio of 0.29 [-] Typical for Low Carbon Steel
Tensile strength 20.0 °C Tensile strength of 270 - 370 MPa -

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