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 |