Product Information
Composition of Nickel Alloy 400 Pipe and Tubing
Grade | 400 |
UNS Designation | N04400 |
Nickel (Ni) |
63.0 Min. (plus Cobalt) |
Chromium (Cr) |
— |
Iron (Fe) |
2.5 Max. |
Molybdenum (Mo) |
— |
Titanium (Ti) Max. |
— |
Aluminum (Al) Max. |
— |
Cobalt (Co) Max. |
— |
Tungsten (W) |
— |
Vanadium (V) Max. |
— |
Copper (Cu) Max. |
28.0 – 34.0 |
Manganese (Mn) Max. |
2.00 |
Niobium (Nb) plus Tantalum |
— |
Carbon (C) Max. |
0.3 |
Nitrogen (N) Max. |
— |
Silicon (Si) Max. |
0.5 |
Sulphur (S) Max. |
0.024 |
Phosphorous (P) Max. |
— |
Other Elements |
— |
Physical Properties of Nickel Alloy 400 in the Annealed Condition at -20°F to +100°F
 |
 |
 |
Tensile Strength | Yield Strength |
 |
 |
 |
 |
 |
 |
Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106 psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
400 |
N04400 |
B725, B730 |
70,000* |
480* |
70 |
28,000* |
195* |
28 |
35* |
— |
— |
26 |
7.7 |
168 |
Nickel Alloy 400 Product Range
Alloy | UNS Designation | Werkstoff NR. | Specifications* |
400 |
N04400 |
2.4360 |
B275, B730 |
*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.