Product Overview
AlloyBar-625 Nickel Alloy Bar is a premium-grade, solution-annealed nickel-chromium-molybdenum-niobium superalloy bar engineered for extreme environments requiring exceptional corrosion resistance, high-temperature strength, and outstanding fatigue performance. As a certified Inconel 625 bar, it fully complies with AMS 5662 aerospace material specifications — ensuring traceability, consistent microstructure, and stringent mechanical property compliance. This nickel alloy bar is produced via precision hot rolling followed by full solution annealing (1093–1149°C, air/water cooled), delivering optimal grain structure and stress relief for subsequent machining, welding, or forming. Ideal for mission-critical components, it offers superior resistance to pitting, crevice corrosion, and oxidation in aggressive chloride, acidic, and high-temperature oxidizing atmospheres — making it a preferred choice among global aerospace, oil & gas, and nuclear fabricators seeking reliable hot rolled nickel bar stock.
Key Features
- Fully compliant with AMS 5662 specification for aerospace-grade Inconel 625
- Solution annealed condition ensures uniform microstructure and maximum ductility
- Outstanding resistance to seawater, H₂S, sulfuric acid, and molten salts
- Retains tensile strength up to 980°C (1800°F) and excellent thermal fatigue resistance
- Readily weldable using GTAW, GMAW, and SAW processes without post-weld heat treatment
- Available in tight-tolerance diameters (Ø25–300 mm) and standard lengths (3–6 m)
Technical Specifications
| Parameter |
Value |
| Alloy Designation |
Inconel 625 / UNS N06625 |
| Specification Standard |
AMS 5662, ASTM B446, ASME SB-446 |
| Condition |
Solution Annealed (SA) |
| Diameter Range |
Ø25 mm – Ø300 mm |
| Length Range |
3 m – 6 m (cut-to-length available) |
| Density |
8.44 g/cm³ |
| Tensile Strength (min) |
827 MPa |
| Yield Strength (0.2% offset, min) |
414 MPa |
| Elongation (50 mm, min) |
30% |
| Hardness (Rockwell B) |
≤ 100 HRB |
| Max Service Temperature (oxidizing) |
980°C |
| Corrosion Resistance |
Excellent in seawater, nitric acid, phosphoric acid, and sour gas environments |
Applications
This AlloyBar-625 is widely deployed across demanding industrial sectors: aerospace engine components (turbine blades, exhaust systems), subsea oil & gas hardware (valve bodies, downhole tools), chemical processing equipment (reactor linings, heat exchanger tubes), nuclear reactor core components, and marine propulsion systems. Its reliability as an Inconel 625 bar makes it indispensable for OEMs and Tier-1 fabricators requiring certified, ready-to-machine nickel alloy bar that meets rigorous international standards — especially where failure is not an option.
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