309
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Chemical Data, Mechanical Properties and Specifications for 309 Stainless Steel

Chemical

Chemical Range
Element Minimum Maximum
Carbon -- 0.20
Chromium 22 24
Iron Balance --
Manganese -- 2.0
Nickel 12.0 15.0
Phosphorus -- 0.045
Silicon -- 1.0
Sulphur -- 0.03

Mechanical

Typical Mechanical Properties (Annealed)
Form Tensile Strength Yield Strength Elongation at Break
Bar 95 ksi 39.9 ksi 45%
Sheet 89.9 ksi 45 ksi 45%
Plate 95 ksi 39.9 ksi 45%

Specs

Specifications
AMS 5650 (Bar)
ASTM A276 (Bar)
QQ-S-763 (Bar)
ASME-SA-479 (Bar)
ASTM A240 (Plate, Sheet and Strip)
ASME-SA-240 (Plate, Sheet and Strip)
ASME-SA-312 (Pipe)
ASTM A312 (Pipe)
UNS S30900