Oil Tempered Springs

Oil tempered wire has excellent durability, fatigue, and resistance to relaxation. Oil-tempered wire is both cheaper and thicker, while it also has good shock resistance.

Coiling Technologies Inc. stocks high tensile chrome silcon and chrome vanadium. Contact us to learn more. 

Technical Specification Oil Tempered
Nominal Composition

C: 0.55 - 0.85

Mn: 0.30 – 1.2

Fe: 98.29


0.284 lb./in3

Modulus of Elasticity (E)

29 x 103 ksi

Modulus of Rigidity (G)

11.6 x 103 ksi

Electrical Resistivity

170 µΩ.cm

Thermal Conductivity

361 Btu/(hr/ft2/in/°F)

Min Size

0.020 in (0.500 mm)

Max Temp

150oC (300oF)


It can be used for applications that are exposed to constant loads such as garage door springs