Custom 302 Stainless Springs

302 stainless is better known for being easily machinable and resistant to corrosion; additionally, this alloy presents a unique compromise, possessing deep draw ability and sufficient stretch formability. 302 has greater corrosion resistance than type 301 and is less expensive.

Technical Specification Stainless Steel 302/304
Nominal Composition

Cr: 17.0 - 19.0

Ni: 8.0 - 10.0


0.29 lb./in3

Modulus of Elasticity (E)

28,000,000 psi

Modulus of Rigidity (G)

10,000,000 psi

Coefficient of Expansion

9.6 µin/in.-°F (70°F)

Electrical Resistivity

72.0 µΩ.cm

Thermal Conductivity

9.4 Btu-in/ft2hr-°F

Min Size

0.005 in (0.130 mm)

Max Temp

260oC (500oF)


It is effective for use in the food, dairy and chemical industries. Cold drawn, corrosion and heat resistant. Magnetic in spring temper.