Chrome Silicon - ASTM A 401 Spring Wire Properties
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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.


convert to metric units
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 		30
Design Stress % Minimum
Tensile		 45
G - Modulus in Torsion
psi x 106 		11.5
Maximum Operating Temperature
°F 		475
Rockwell Hardness C48-55
Density
lb/in3 		0.284
Method of Manufacture
Chief Uses
Special Properties		 Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature.
*Note: All material properties are provided for general reference purposes only.
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