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Chemical Composition

Grade Symbol UNS Number Alloy Elements Composition %
F304L S30403 18 chromium, 8 nickel,
low carbon 304LG
Carbon 0.030 max
Manganese 2.00 max
Phosphorus 0.045 max
Sulfur 0.030 max
Silicon 1.00 max
Nickel 8.0 - 13.0
Chromium 18.0 - 20.0
Nitrogen 0.10 max

Mechanical Properties

PropertyValue
Tensile Strength, min, ksi [MPa] 70 [485]
Yield Strength, min, ksi [MPa] 25 [170]
Elongation in 2 in. [50mm] or 4D, min, % 30
Reduction or Area, min, % 50
Brinell Hardness Number, HBW --

Heat Treatment

After hot working, forgings shall be cooled to a temperature below 1000 °F [538 °C] prior to heat treating in accordance with the requirements.