Stainless Steel 302

  • W.NR 1.4310
  • UNS S30200
  • AWS 160

Applicable Standards:

  • BS 970
  • BS 1554
  • BS 2056
  • ASTM A313
Stainless Steel 302 has good mechanical properties and corrosion resistance.

 

 

 

Applications include:

  • Springs
  • Wire gauze
  • Wire cloth
     
Approximate Chemical Composition
Cr 17 - 19%
Ni 8 - 10%
Fe BAL
Properties
DENSITY 8.0 g/cm3 0.289 lb/in3
MELTING POINT 1420 oC 2590 oF
COEFFICIENT OF EXPANSION 17.6 µm/m °C
(20 - 100°C)
9.8 x 10-6 in/in °F
(70 - 212°F)
MODULUS OF RIGIDITY 70.3 kN/mm2 10196 ksi
MODULUS OF ELASTICITY 187.5 kN/mm2 27195 ksi
CONDITION OF SUPPLY HEAT TREATMENT (AFTER FORMING)
Annealed/Spring Temper Stress relieve at 250°C (480°F) for 1 hour and air cool.
CONDITION APPROX TENSILE STRENGTH APPROX SERVICE TEMPERATURE
Annealed 600 - 800 N/mm2 87 - 116 ksi -200 to +300 oC -330 to +570 oF
Spring Temper 1300 - 2200 N/mm2 189 - 319 ksi -200 to +300 oC -330 to +570 oF
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