Optimum Spring manufactures extension, torsion and compression springs with Chrome Vanadium - ASTM A 231 - Spring Wire Properties
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Chrome Vanadium - ASTM A 231 - 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 Vanadium
ASTM A 231
Nominal Chemistry
C0.48-0.53%
Cr0.80-1.10%
V0.15-min%
Minimum Tensile Strength
psi x 103
190-300
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
425
Rockwell Hardness C41-55
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
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