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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 825 (UNS N08825) is an austenitic nickel-iron-chromium alloy with additions of molybdenum, copper and titanium. It was developed to provide exceptional corrosion resistance in both oxidizing and reducing environments. The alloy is resistant to chloride stress-corrosion cracking and pitting. The addition of titanium stabilizes Alloy 825 against sensitization in the as-welded condition making the alloy resistant to intergranular attack after exposure to temperatures in a range that would sensitize unstabilized stainless steels. The fabrication of Alloy 825 is typical of nickel-base alloys, with material being readily formable and weldable by a variety of techniques
| 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 |
|---|
| CONDENSERS |
| OIL AND GAS WELL EQUIPMENT |
| HYDRAULIC SYSTEMS |
| CHEMICAL INJECTION LINES |
| CHEMICAL PROCESS EQUIPMENT AND VESSELS |
| DOWNHOLE CONTROL LINES |
| CONTROL AND INSTRUMENTATION |
| ACID PRODUCTION |
| NUCLEAR FUEL PROCESSING |
| INDUSTRIES PREDOMINANTLY USING THIS GRADE | |
|---|---|
| CHEMICAL PROCESSES | |
| OIL AND GAS | |
| NUCLEAR AND POWER | |
Typical Specification
| CHEMICAL COMPOSITION (% by weight) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Element | C | Si | Mn | P | S | Al | Cr | Cu | Fe | Mo | Ni | Ti |
| Min | - | - | - | - | - | - | 19.50 | 1.50 | Balance | 2.50 | 38 | 0.60 |
| Max | 0.05 | 0.50 | 1.00 | 0.030 | 0.030 | 0.20 | 23.50 | 3.00 | Balance | 3.50 | 46 | 1.20 |
| PHYSICAL PROPERTIES (Room Temperature) | ||
|---|---|---|
| Specific Heat (0-100°C) | 440 | J.kg-1.°K-1 |
| Thermal Conductivity | 11.1 | W.m -1.°K-1 |
| Thermal Expansion | 14.0 | mm/m/°C |
| Modulus Elasticity | 196 | GPa |
| Electrical Resistivity | 1.13 | Ohm-cm |
| Density | 8.13 | g/cm3 |
| MECHANICAL PROPERTIES | ||
|---|---|---|
| Temper | Annealed | |
| Tensile Rm | 85 | ksi (min) |
| Tensile Rm | 590 | MPa (min) |
| R.p. 0.2% Yield | 35 | ksi (min) |
| R.p. 0.2% Yield | 240 | MPa (min) |
| Elongation (2” or 4D gl) | 30 | % (min) |