AISI 302/304 Stainless Steel Spring Wire Properties
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  Spring Materials > Stainless Steel

AISI 302/304 Stainless Steel Spring Wire Properties

The use of stainless spring steels has increased considerably in recent years. Several new compositions are now available to withstand corrosion. All of these materials can be used for high temperatures up to 650°F.


convert to metric units
AISI 302/304
ASTM A 313
Nominal Chemistry
Cr 17.0 - 19.0%
Ni 8.0 - 10.0%
Minimum Tensile Strength
psi x 103 		125-325
E - Modulus of Elasticity
psi x 106 		28
Design Stress % Minimum
Tensile		 35
G - Modulus in Torsion
psi x 106 		10.0
Maximum Operating Temperature
°F 		550
Rockwell Hardness C35-45
Density
lb/in3 		0.286
Method of Manufacture
Chief Uses
Special Properties		 Cold drawn, general purpose, corrosion and heat resistant. Magnetic in spring temper.
*Note: All material properties are provided for general reference purposes only.
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We manufacture extension, torsion and compression springs with AISI 302/304 Stainless Steel