Page 422 - Analysis and Design of Machine Elements

Table 14.2 Spring materials and their properties [1, 2, 7, 11, 12].
Material Shear Elastic Service
modulus modulus temperature Feature and applications
∘
ASTM/AISI G(GPa) E(GPa) ( C)
Material type GBspecification specification
Hard-drawn wire 25 ∼ 80 AISI 1066 General purpose spring steel
ASTM 80 206 −40 ∼+120
High carbon A227-47
steels
Music wire 65Mn AISI 1085 Good strength and fatigue
ASTM A228-51 performance, suitable for
small springs
Oil tempered 60, 65, 65Mn AISI 1065 −40 ∼+150 Suitable for large springs
ASTM A229-41
Chromium- 50CrVA AISI 6150 −40 ∼+210 Good static, fatigue and
vanadium ASTM A231-41 77 203 impact strength, good
Alloy steels
high-temperature
performance

Chromium- 55CrSi AISI 9254 −40 ∼+250 Very high strength, good
silicon ASTM A401 fatigue and shock resistance
12Cr18Ni9 ASTM A313(302) 70 193 Good corrosion and creep
Stainless steel −200 ∼+300 resistance, high-temperature
Stainless steels performance
07Cr17Ni7Al ASTM A313(631) 75 200 Good high-temperature
performance
Spring brass Qsi3-1 ASTM B134 40 93 −40 ∼+120
Good corrosion resistance,
good electrical conductivity
Copper alloys Phosphor bronze QSn6.5-0.1 ASTM B159 40 103 −250 ∼+120
Beryllium copper QBe2 ASTM B197 42 120 −200 ∼ 120
Nickel alloys Monel Monel 400 66 179 320 corrosion-resistant,
Inconel Inconel 600 76 214 230 good high- and
low-temperature properties,
nearly nonmagnetic