EN 10270-2 Grade FDSiCr oil quenched and tempered

EN 10270-2 Grade FDSiCr oil quenched and tempered introduction

The round, oil hardened and tempered alloy steel wire FDSiCr for static loading and high tensile strength is used mainly for torsion loaded springs (tension and compression springs).
It will be delivered in rings, in coils or as bars and, if not otherwise arranged, thin oiled.

Equivalent material: IS FDSiCr, ISO FDSiCr, JIS SWOSC-B, DIN FD SiCr, AFNOR FDSiCr, BS FDSiCr

EN 10270-2 Grade FDSiCr oil quenched and tempered general

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

EN 10270-2 Grade FDSiCr oil quenched and tempered chemical

Property Value
Carbon Carbon of 0.5 - 0.6 %
Chromium Chromium of 0.5 - 0.8 %
Copper Copper of 0.12 %
Manganese Manganese of 0.5 - 0.9 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 1.2 - 1.6 %
Sulfur Sulfur of 0.025 %

EN 10270-2 Grade FDSiCr oil quenched and tempered mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 206 GPa -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Steel
Reduction of area 20.0 °C Reduction of area of 30 - 45 % -
Shear modulus 20.0 °C Shear modulus of 79.5 - 81.5 GPa -
Tensile strength 20.0 °C Tensile strength of 1550 - 2300 MPa -

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