Nitronic Spring Manufacturer

Nitronic is a nitrogen-strengthened austenitic stainless steel with better corrosion resistance and higher strength than many other austenitic stainless steel.

Technical Specification  
Nominal Composition

Cr: 20.5 – 23.5

Mn: 4.0 - 6.0

Mo: 1.5 - 3.0

Ni: 11.5 -  13.5

Fe: Balance


0.285 lb./in3

Modulus of Elasticity (E)

29.0 x 103 ksi

Modulus of Rigidity (G)

10.8 x 103 ksi

Coefficient of Expansion

9.6 µin/in.-°F (200°F)

Electrical Resistivity

32.3 µΩ.in

Thermal Conductivity

108 Btu/(hr/ft2/in/°F)

Min Size

0.005 in (0.130 mm)

Max Temp

300oC (570oF)

Uses of Nitronic Springs

Nitronic is used in applications involving seawater as it has good resistance to pitting and crevice corrosion in sea water.