Ferrous Alloys

Type 305 Austenitic Stainless Steel

Application & Characteristics 
Applications involving severe forming – fasteners, anodes, grid cups and other electrical components.
Chemical Composition (%)
Cr 18.0; Ni 12.0; Balance Fe. Allowable maximums: C 0.12; Mn 2.0; Si 1.0; P 0.045; S 0.030
Physical Properties
Melting Range (°F)2550 – 2650
Density (lbs/in³) 68F0.286
Thermal Expansion (in/in °Fx10 to the power of -6)9.6 (32 – 212F)
Electrical Resistivity (ohms/cir mil/ft.) 68F440
Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)85
Yield Strength (psi x 10³)40
Elongation ( % )50
HardnessB85(Rockwell)
Mechanical Properties – Temper = H/2
Tensile Strength (psi x 10³)120
Yield Strength (psi x 10³)90
Elongation ( % )25
HardnessB95(Rockwell)
Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)160
Yield Strength (psi x 10³)130
Elongation ( % )8
HardnessC30(Rockwell)

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