Spring Material

Material Specification

Density

Tensile Strength MPa

Modulus of Elasticity (E) MPa

Application

Beryllium copper

ASTM B197

0.298

150 - 230

18.5

Good corrosion resistance, electrical conductivity, and physical strength

Chrome silicon

ASTM A401

0.284

235 - 300

30

Shock loads and moderately elevated temperature

Chrome vanadium

ASTM A231

0.284

190 - 300

30

Ideal for Shock loads and moderately elevated temperature

Inconel springs 750

AMS 5698/5699

0.298

155 - 230

31

Good corrosion resistance at moderately elevated temperature

Music wire springs

ASTM A228

0.284

230 - 399

30

Excellent surface finish

Phosphor Bronze

ASTM B159

0.320

105 - 145

15

Cold drawn. Good electrical conductivity and corrosion resistance

Stainless steel springs 316

ASTM A313

0.286

110 - 245

28

Better corrosion and heat resistance than 302

Stainless steel 302/304

ASTM A313

0.286

125 - 325

28

Cold drawn. General purpose heat and corrosion resistance

stainless steel 17-7 PH

AMS 5678

0.282

235 - 325

29.5

High strength. General purpose heat and corrosion resistance