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 |