Hard Drawn - ASTM A 227 Spring Wire Properties
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  Spring Materials > High Carbon

Hard Drawn - ASTM A 227 Spring Wire Properties

High-carbon spring steels are the most commonly used of all springs materials. Try to use these materials in preference to others because that are least expensive, readily available, easily worked, and most popular. These materials are not satisfactory for high or low temperatures or for shock or impact loading.


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Hard Drawn
ASTM A 227
Nominal Chemistry
C 0.45 - 0.85%
Mn 0.60 - 1.30%
Minimum Tensile Strength
psi x 103 		CLI 147-283
CLII 171-324
E - Modulus of Elasticity
psi x 106 		30
Design Stress % Minimum
Tensile		 40
G - Modulus in Torsion
psi x 106 		11.5
Maximum Operating Temperature
°F 		250
Rockwell Hardness C31-52
Density
lb/in3 		0.284
Method of Manufacture
Chief Uses
Special Properties		 Cold drawn. Average stress applications. Lower cost springs and wire forms.
*Note: All material properties are provided for general reference purposes only.
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We manufacture extension, torsion and compression springs with Hard Drawn - ASTM A 227