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Chemical Composition

Identification Symbol UNS Number Grade Elements Composition %
Alloy 904L N08904 21 chromium, 26 nickel,
4.5 molybdenum
Carbon 0.02 max
Manganese 2.00 max
Phosphorus 0.04 max
Sulfur 0.03 max
Silicon 1.00 max
Nickel 23.00 - 28.00
Chromium 19.00 - 23.00
Molybdenum 4.00 - 5.00
Copper 1.00 - 2.00
Nitrogen 0.10 max

Mechanical Properties

PropertyValue
Tensile Strength, min, ksi [MPa] 71 [490]
Yield Strength, min, ksi [MPa] 31 [215]
Elongation in 2 in. [50mm] or 4D, min, % 35
Reduction or Area, min, % --
Brinell Hardness Number, HBW --