ASME SB163 N04400 Monel 400 Nickel Alloy Condenser and Heat Exchanger Tube
| Alloy | Nickel | Copper | Manganese | Iron | Sulfur | Carbon | Silicon | Chromium |
| UNS N04400 | 63.0 min | 28.0 – 34.0 | 2.0 max | 2.5max | 0.024 max | 0.3max | 0.5 | … |
ASTM B163 UNS N04400 Mechanical Properties
| Material and Condition | Tensile Strength Min. Ksi(MPa) | Yield Strength(0.2% Offset)Min,Ksi(MPa) | Elongation in 2in. or 50mm(or 4D)min. % | Rockwell Hardness(or Equivalent) for Annealed Ends[Note(1)] |
| Stress-relieved Alloy UNS N04400: | 85(586) | 55(379) | 15 | B75max |
Tolerances In Outside Diameter And Wall Thickness
| Material | Nominal Outside Diameter, In. (Mm) | Permissible Variations [Note(1)] | |||||
| Outside Diameter, In. (Mm) | Wall Thickness, % | ||||||
| Anerage Wall | Minimum Wall | ||||||
| + | – | + | – | + | – | ||
| UNS N02200, UNS N02201, And UNS N04400 | Average Wall | 0.005(0.13) | 0 | 12.5 | 12.5 | 25.0 | 0 |
| 8/5 To 1 1/2(15.9 To 38.1), Incl | 0.005(0.13) | 0.005(0.13) | 10.0 | 10.0 | 20.0 | 0 | |
| Over 1 1/2 To 3(38.1 To 76.2), Incl | 0.010(0.25) | 0.010(0.25) | 10.0 | 10.0 | 22.0 | 0 | |
| UNS N06600, UNS N066090, UNS N06045, UNS N06025, UNS N08800, UNS N08810, UNS N08811, UNS N08801, And UNS N08825 | 1/2 To 5/8 (12.7 To 15.9), Excl | 0.005(0.13) | 0.005(0.13) | 12.5 | 12.5 | 25.0 | 0 |
| 8/5 To 1 1/2 (15.9 To 38.1), Incl | 0.0075(0.19) | 0.0075(0.19) | 10.0 | 10.0 | 20.0 | 0 | |
| Over 1 1/2 To 3 (38.1 To 76.2), Incl | 0.010(0.25) | 0.010(0.25) | 10.0 | 10.0 | 22.0 |
0
|
|
Application
ASME SB163 UNS N04400 Monel 400 nickel alloy seamless tube is primarily used in harsh environments requiring excellent corrosion resistance and high mechanical strength. Its seamless structure ensures the tube's integrity under pressure.
Its excellent performance in saltwater and acidic conditions makes it a key material in the marine and offshore industries, used in components such as propeller shafts, pump shafts, seawater valves, and heat exchanger tubes on ships and platforms.
In the chemical processing industry, it is an essential material for handling sulfuric acid, hydrofluoric acid, alkalis, and solvents, and is used in reactors, distillation columns, and process piping systems. Furthermore, its ability to maintain strength across a wide temperature range, from cryogenic to high temperatures, extends its reliability to wellhead components and crude oil pipelines in oil and gas production, feedwater heaters and evaporator tubes in power generation, and fuel and hydraulic lines in aerospace.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.