As a leading supplier of high-performance nickel alloys, we provide Nickel Alloy 925 (UNS N09925) for demanding applications. This age-hardenable nickel-iron-chromium alloy is engineered to deliver exceptional strength and corrosion resistance in severe environments, including sour gas service, marine components, and fasteners. For reliable material specifications, technical data sheets, and competitive pricing on this versatile corrosion-resistant alloy, contact our experts today.
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Chemical Composition
| Weight% | Ni | Cr | Fe | Mo | Cu | Ti | Al | Mn | Si | Nb | C | S |
| Alloy 925 | 42 - 46 | 19.55 - 22.5 | 22 min | 2.5 - 3.5 | 1.5 - 3.0 | 1.9 - 2.4 | 0.1 - 0.5 | 1.0 max | 0.5 max | 0.5 max | 0.03 max | 0.03 max |
Mechanical Properties
| 0.2% Proof Stress | 758-965 N/mm2 | 110-140 ksi |
| Tensile Strength | 965 N/mm2 | 140 ksi |
| Elongation, 5.65√S0 and 4D | 18% | |
| Reduction of Area | 25% | |
| Hardness | 38 HRC max. | |
| Impact Strength(-60oC) Longitudinal | 47J av (43J min) | 35 ft.lb av (32 ft.lb min) |
Physical Properties
| Density (Kg.m-1) | 8080 |
| Magnetic Permeability (20°C) | 1.001 |
| Young's Modulus (N/mm2) | 199 |
| Specific Heat, 20°C (J/(g.K)) | 435 |
| Electrical Resistivity, 20°C (Ω-m) | 1.17x10-6 |
| Electrical Conductivity, 20°C (mΩ/mm2) | 0.25 (1.48% IACS) |
| Thermal conductivity, 20°C (W/(m.K)) | 12 |
| Mean coefficient of thermal expansion, 20-100°C (m/m/K) | 13.2x10-6 |
Features
Corrosion performance is particularly suited to the sour environments of down-hole crude oil and natural gas wells
Very high-strength, applicable to tooling applications and reducing suspended load of critical components
Excellent resistance to stress corrosion cracking
Applications
Downhole equipment for corrosive/sour service such as valves, hangers, tool joints and packers
Marine and pump shafts
High strength fasteners
Chemical process industry components
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