Torsion Spring Materials
Modulus of elasticity in tension for metric units
Wire Material of Torsion Springs | E [MPa] |
Drawn patented wire from carbon steel | 20.5 10 4 |
Heat treated wire from carbon steel | 20 10 4 |
Heat treated or annealed wire from alloy steel (particularly Si-Cr, Mn-Cr, Mn-Cr-V) | 20 10 4 |
Wire hardened by drawing from chrome-nickel corrosion-resistant austenic steel | 17.5 10 4 |
Wire hardened by drawing from tin bronze | 10.5 10 4 |
Wire hardened by drawing from brass | 8.5 10 4 |
Modulus of elasticity in tension for English units
Wire Material of Torsion Springs | E [psi] |
Music wire QQ-W-470 | 28 500 000 |
Oil-tempered steel wire QQ-W-428 | 28 500 000 |
Hard drawn steel wire QQ-W-428 | 28 600 000 |
Chrome-vanadium alloy steel wire | 28 500 000 |
Chrome-silicon alloy wire QQ-W-412 | 29 500 000 |
Stainless steel 302 and 304 | 28 000 000 |
Stainless steel 420 | 29 000 000 |
Stainless steel 431 | 29 500 000 |
Stainless steel 316 | 28 000 000 |
Stainless steel 17-7PH | 29 500 000 |