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Overview:
Namah Super Alloys is a trusted manufacturer, supplier, stockist, and exporter of premium Nickel Alloy and High-Performance Alloy products. With a commitment to quality and precision, we specialize in a wide range of products including Rods (Bright Bars), Sheets & Plates, Pipes & Tubes, Pipe Fittings (Flanges, Elbows, Tees, Reducers, Nipples, etc.), Fasteners (Nuts, Bolts, Studs), CNC Components, and Sheet, Plate & Coils.
Our materials are renowned for their exceptional strength, corrosion resistance, and thermal stability, making them suitable for critical applications across industries such as aerospace, oil & gas, petrochemicals, marine, power generation, and defense. We offer custom and standard sizes, ensuring optimal performance in both high-pressure and corrosive environments. With superior machinability, weldability, and dimensional accuracy, Namah Super Alloys delivers components that meet the most demanding international standards and client specifications.
Alloy 400 (UNS N04400) is a solid-solution Nickel/Copper alloy that can be hardened only by cold working. It has reasonable strength and toughness over a wide temperature range and excellent resistance to many corrosive environments.
Alloy 400 is widely used in many fields, especially marine and chemical processing. Typical applications are valves and pumps; pump and propeller shafts; marine fixtures and fasteners; electrical and electronic components; springs; chemical processing equipment; gasoline and freshwater tanks; crude petroleum stills, process vessels and piping; boiler feedwater heaters and other heat exchangers; and deaerating heaters
| AVAILABLE TUBE PRODUCT FORMS |
|---|
| Straight Tube | Straight Pipe | U - Tube | Coiled Tube |
| TYPICAL MANUFACTURING SPECIFICATIONS | |
|---|---|
| ASME SB-161 | ASTM B622/ASME SB622 |
| ASME SB-163 | ASTM B725/ASME SB725 |
| ASME SB-775 | ASTM B829/ASME SB829 |
| TYPICAL APPLICATIONS |
|---|
| HEAT EXCHANGERS |
| STEAM GENERATORS |
| REBOILER TUBES |
| BRINE HEATERS AND EVAPORATOR BODIES IN SALT PLANT |
| NUCLEAR CORE COOLING TUBES |
| SULPHURIC AND HYDROFLURIC ACID ALKYLATION PLANT |
| CONTROL LINES |
| INDUSTRIES PREDOMINANTLY USING THIS GRADE | |
|---|---|
| CHEMICAL PROCESSES | |
| OIL AND GAS | |
| NUCLEAR AND POWER | |
Typical Specification
| CHEMICAL COMPOSITION (% by weight) | |||||||
|---|---|---|---|---|---|---|---|
| Element | C | Si | Mn | S | Cu | Fe | Ni |
| Min | - | - | - | - | Balance | - | 63 |
| Max | 0.3 | 0.5 | 2 | 0.24 | 2.50 | 70 | |
| PHYSICAL PROPERTIES (Room Temperature) | ||
|---|---|---|
| Specific Heat (0-100°C) | 427 | J.kg-1.°K-1 |
| Thermal Conductivity | 21.8 | W.m -1.°K-1 |
| Thermal Expansion | 13.9 | mm/m/°C |
| Modulus Elasticity | 173 | GPa |
| Electrical Resistivity | 5.47 | Ohm-cm |
| Density | 8.83 | g/cm3 |
| MECHANICAL PROPERTIES | ||
|---|---|---|
| Temper | Annealed | |
| Tensile Rm | 70 | ksi (min) |
| Tensile Rm | 480 | MPa (min) |
| R.p. 0.2% Yield | 28 | ksi (min) |
| R.p. 0.2% Yield | 198 | MPa (min) |