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Metal Properties

Type 304L Austenitic Stainless Steel

 
Application & Characteristics
Weldments for corrosive conditions where intergranular carbide precipitation must be avoided. Nuclear components.
 
Chemical Composition (%)
Cr 19.0; Ni 10.0; Balance Fe. Allowable maximums: C 0.03: Mn 2.0; Si 1.0; P 0.045; S 0.030
 
Physical Properties
Melting Range (°F) 2550 – 2650
Density (lbs/in³) 68F 0.286
Thermal Expansion (in/in °Fx10 to the power of -6) 9.6 (32 – 212F)
Electrical Resistivity (ohms/cir mil/ft.) 68F 433
 
Mechanical Properties – Temper = A
Tensile Strength (psi x 10³) 85
Yield Strength (psi x 10³) 40
Elongation ( % ) 50
Hardness B85(Rockwell)
 
Mechanical Properties – Temper = H/2
Tensile Strength (psi x 10³) 130
Yield Strength (psi x 10³) 110
Elongation ( % ) 25
Hardness C25(Rockwell)
 
Mechanical Properties – Temper = H
Tensile Strength (psi x 10³) 175
Yield Strength (psi x 10³) 145
Elongation ( % ) 8
Hardness C35(Rockwell)