Stainless Steel 302

Material Data Sheet

Grade 302 is a slightly higher carbon version than grade 304. It is widely found in strip and wire forms. It is a standard specification for chromium and chromium-nickel stainless steel sheet, plate, and strip used for pressure vessels and for general applications.

Chemical Composition
Element Content(%)
Iron, Fe 70.00
Chromium, Cr 18.00
Nickel, Ni 9.00
Manganese, Mn ≤2.00
Silicon, Si 1.00
Carbon, C ≤0.15
Phosphorus, P ≤0.045
Sulfur, S ≤0.03
Physical Properties
Properties Metric Imperial
Density 7.86 g/cc 0.284 lb/in3
Melting Point 1400 – 1420 °C 2550 – 2590 °F
Mechanical Properties
Properties Metric Imperial
Hardness, Brinell 217 217
Tensile Strength, Ultimate 515 MPa 74700 psi
Tensile Strength, Yield 205 MPa 29700 psi
Elongation at Break 40% 40%
Modulus of Elasticity 212 GPa 30700 ksi
Thermal Properties
Properties Metric Imperial
CTE, linear 20°C 17.2 µm/m-°C 9.56 µin/in-°F
Specific Heat Capacity 0.5 J/g-°C 0.12 BTU/lb-°F
Thermal Conductivity 16.2 W/m-K 112 BTU-in/hr-ft²-°F
Applications

Stainless Steel 301A is used in the following application areas:

  • Food and beverage industry
  • Pressure containing applications
  • Sanitary or cryogenic applications

Key Words: T302, T 302, 302SS, 302 SS, UNS S30200, AMS 5515, AMS 5516, AMS 5636, AMS 5637, AMS 5688, ASME SA 240, ASME SA 479, ASTM A167, ASTM A240, ASTM A276, ASTM A313, ASTM A314, ASTM A368, ASTM A473, ASTM A478, ASTM A479, ASTM A492, ASTM A493, ASTM A511, ASTM A554, ASTM A666, FED QQ-S-763, FED QQ-S-766, FED QQ-W-423, MIL SPEC MIL-S-862, SAE J230, SAE J405 (30302), DIN 1.4300, X12CrNi188, B.S. 309S25, EN 58A, PN 86020 (Poland), 1H18N9, austenitic, ISO 4954 X10CrNi189E, ISO 683/13 12, ISO 6931 X9CrNi188, 18-8

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