Kanakratna steelage is a renowned exporter, manufacturer, stockist, supplier, and stockholder of high-quality Inconel Alloy Seamless Tubes. These nickel-chromium alloy tubes are celebrated for their exceptional resistance to oxidation and corrosion at high temperatures, making them ideal for aerospace, chemical processing, power generation, and oil and gas applications. Inconel alloy tubes maintain their strength and stability across a wide temperature range and offer excellent weldability and ease of fabrication, ensuring reliable performance in the most demanding environments.
Alloy 625 is a nickel-chromium-molybdenum alloy used for its high strength, excellent fabricability and outstanding corrosion resistance. Service temperatures can range from cryogenic to 980°C (1800°F). Alloy 625 strength is derived from the solid solution strengthening effect of molybdenum and niobium on its nickel-chromium matrix.
Thus precipitation-hardening treatments are not required. This combination of elements also is responsible for superior resistance to a wide range of corrosive environments of unusual severity as well as to high-temperature effects such as oxidation and carburization.
Technical Specifications
| CHEMICAL COMPOSITION (% by weight) | ||
|---|---|---|
| Element | Min | Max |
| C | - | 0.1 |
| Si | - | 0.5 |
| Mn | - | 0.5 |
| P | - | 0.015 |
| S | - | 0.015 |
| Al | - | 0.4 |
| Cr | 20 | 23 |
| Fe | - | 5 |
| Mo | 8 | 10 |
| Nb | 3.150 | 4.150 |
| Ni | Balance | |
| Ti | - | 0.40 |
| MECHANICAL PROPERTIES | ||||
|---|---|---|---|---|
| Temper | Annealed (Grade 1) | Solution-annealed (Grade 2) | ||
| Tensile Rm | 120 | ksi (min) | 100 | ksi (min) |
| Tensile Rm | 827 | MPa (min) | 690 | MPa (min) |
| R.p. 0.2% Yield | 60 | ksi (min) | 40 | ksi (min) |
| R.p. 0.2% Yield | 414 | MPa (min) | 276 | MPa (min) |
| Elongation (2” or 4D gl) | 30 | % (min) | 30 | % (min) |
| PHYSICAL PROPERTIES (Room Temperature) | ||
|---|---|---|
| Specific Heat (0-100°C) | 460 | J.kg-1.°K-1 |
| Thermal Conductivity | 14.8 | W.m -1.°K-1 |
| Thermal Expansion | 12.4 | mm/m/°C |
| Modulus Elasticity | 207 | GPa |
| Electrical Resistivity | 10.3 | Ohm-cm |
| Density | 8.42 | g/cm3 |