Chrome Silicon - ASTM A 401 - Spring Wire Properties

The alloy spring steels have a definite place in the field of spring materials, particularly for conditions involving high stress and for applications where shock or impact loading occurs. Alloy spring steels also can withstand higher and lower temperatures than the high-carbon steels and are obtainable in either the annealed or pre tempered conditions. Note: These materials are not regularly stocked in a wide variety of sizes.

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Chrome Silicon
ASTM A 401

Nominal Chemistry

C	0.51	-	0.59%
Cr	0.60	-	0.80%
Si	1.20	-	1.60%

Minimum Tensile Strength
psi x 10³

235-300

E - Modulus of Elasticity
psi x 10⁶

Design Stress % Minimum Tensile

G - Modulus in Torsion
psi x 10⁶

11.5

Maximum Operating Temperature
°F

475

Rockwell Hardness

C48-55

Density
lb/in³

0.284

Shear Modulus
c GPa

11600 80.0

Method of Manufacture
Chief Uses
Special Properties

Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature.

Common Trade Names

*Note: All material properties are provided for general reference purposes only. We recommend you to contact Optimum Spring during the material selection process.

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Chrome Silicon - ASTM A 401 - Spring Wire Properties