Nickel Alloy
400

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Specifications (ASTM/ASME)
Alloy UNS Designation Material
Specification
Tubing
Specification
Pipe
Specification
400 N04400 B 127/SB-127 B 7301 B 725

1 ASTM has withdrawn this specification, with no replacement (used for reference purposes only).

Chemical Composition (%)
Alloy 400
UNS Designation N04400
Carbon (C) max. 0.3
Manganese (Mn) max. 2.0
Sulfur (S) max. 0.024
Silicon (Si) max. 0.5
Nickel (Ni) min. 63.0
Copper (Cu) 28.0 - 34.0
Iron (Fe) max. 2.5
Typical Physical & Mechanical Properties - Annealed Condition (Room Temperature)
Alloy UNS Designation Minimum Tensile Strength
Minimum Yield
Strength
0.2% Offset
Minimum Percent (%)
Elongation in
2 inches (50.8 mm)
(psi) (MPa) (psi) (MPa)
400 N044001 70,000 480 28,000 195 35
400 N044002 70,000 480 25,000 170 35

1 Outside diameter 5" (127 mm) and under.

2 Outside diameter over 5" (127 mm).

 

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