What are the common spring materials?

The following are the common spring materials, and their properties. 

Spring MaterialMaterials SpecificationDensity (lb/in) 3Minimum Tensile Strength  (psi x 106)Modulus of Elasticity (E) (psi x 106)Modulus TorsionMaximum Operating TemperatureApplication
Beryllium CopperASTM B1970.298150-23018.57.0400 oFGood corrosion resistance, electrical conductivity and physical strength
Chrome SiliconASTM A4010.284235-30030.011.5475 oFShock loads and moderately elevated temperature
Chrome VanadiumASTM A2310.284190 -30030.011.5425 oFIdeal for shock loads and moderately elevated temperature
Inconel Springs X 750AMS 5698/56990.298155- 23031.012.0750 oF – 1100 oFGood corrosion resistance at moderately elevated temperatures
Music Wire SpringsASTM A2280.284230-39930.012 ( up to 0.100ʺ) 11.75  ( over 0.100 ʺ)250 oFExcellent surface finish
Phosphor BronzeASTM B1590.320105-14515.06.25200 oFCold drawn.  Good electrical conductivity and corrosion resistance
Stainless Steel Springs 316ASTM A3130.286110 – 24528.010.0550 oFBetter corrosion and heat resistance than 302
Stainless Steel 302/304ASTM A3130.286125-32528.010.0550 oFCold drawn. General purpose  heat and corrosion resistance
Stainless Steel 17-7 PHAMS 56780.282235-33529.511.0650 oFHigh strength. General purpose corrosion resistance

Related Topics –

1. Materials