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Chemical Composition

Identification Symbol UNS Number Grade Elements Composition %
Alloy 2507 S32750 25 chromium, 7 nickel,
4 molybdenum,
modified with nitrogen
2507
Carbon 0.030 max
Manganese 1.20 max
Phosphorus 0.035 max
Sulfur 0.020 max
Silicon 0.80 max
Nickel 6.00 - 8.00
Chromium 24.00 - 26.00
Molybdenum 3.00 - 5.00
Copper 0.50
Nitrogen 0.24 - 0.32

Mechanical Properties

Property Value
Size ≥ 2 in. [50 mm]G > 2 in. [50 mm]G
Tensile Strength, min, ksi [MPa] 116 [800] 106 [730]
Yield Strength, min, ksi [MPa] 80 [550] 75 [515]
Elongation in 2 in. [50mm] or 4D, min, % 15 15
Reduction or Area, min, % -- --
Brinell Hardness Number, HBW 310 max 310 max