Modulus of Elasticity Values for Compression Springs
The table below provides some typical modulus of elasticity values for compression springs that are used in the Cg calculation.
Materials
Modulus of Rigidity
Ferrous
Music Wire
11.5
Hard Drawn Steel
11.5
Chrome Steel
11.2
Silicon-Manganese
10.8
Stainless, 302, 304, 316
10.0
Stainless 17-7 PH
10.5
Stainless 420
11.1
Stainless 431
11.4
Non-Ferrous
Spring Brass
5.0
Phosphor Bronze
6.0
Beryllium Copper
7.0
Iconel
10.5
Monel
9.5
Misc.
Carbon Steel
11.5
Alloy Steel
11.5
Stainless Steel
10.0 – 11.1
Copper Base Alloy
5.7 – 7.0
Nickel Base Alloy
9.7 - 11.5