Table of Contents
- Hastelloy X Square & Hex Bars Overview
- Technical Specifications
- Chemical Composition & Mechanical Properties
- Types of Hastelloy X Bars: Hexagonal & Square Profiles
- Key Advantages of Hastelloy X Square & Hex Bars
- Key Applications of Hastelloy X Square & Hex Bars
- Quality Testing & Inspection
- Global Export Markets
- Frequently Asked Questions
- Contact Aurum Overseas
Hastelloy X Square & Hex Bars Overview
Hastelloy X Bars are provided by Aurum Overseas, a leading global supplier and exporter. Our UNS N06002 Square Bars and UNS N06002 Hexagonal Bars deliver exceptional oxidation resistance, high-temperature strength, and stress-rupture capability up to 1200 °C. As a top Hastelloy X Square Bars and Hex Bars Supplier, all our stock is fully certified to comply with ASTM B572, ASME SB572, and AMS 5754 standards.
We offer competitive prices on Alloy X Bars and Nickel Alloy X Bars without compromising material quality or testing integrity. As a trusted Hastelloy X Square Bars and Hex Bars Exporter, our inventory includes hot-rolled square stock and bright hex profiles engineered for precision CNC machining across custom sizes.
Our bars are widely used in gas turbine combustion cans, transition ducts, industrial furnace hardware, and petrochemical reformers. Contact Aurum Overseas today for instant price quotes and official mill test certificates.
Technical Specifications
| Technical Parameter | Specification Standard |
|---|---|
| Material Specifications | ASTM B572, ASME SB572, AMS 5754, AMS 5759, EN 10088-3 |
| UNS Designation | UNS N06002 |
| Across-Flats (AF) Size Range | 6.0 mm to 120.0 mm (1/4" to 4-1/2" Square & Hexagon Profiles) |
| Length Options | 1,000 mm to 6,000 mm, Precision Sawing Cut-to-Length |
| Surface Finishes | Cold Drawn, Centerless Ground, Bright Annealed, Hot Rolled, Forged |
| Heat Treatment Condition | Solution Annealed (1175 °C to 1200 °C, Rapid Air or Water Quenched) |
| Dimensional Tolerances | ASTM B572 / ISO 286-2 (h9, h10, h11 profile tolerances) |
| HSN Code | 75052200 |
Chemical Composition & Mechanical Properties
Equivalent Standards
| Standard / Grade | Werkstoff Nr. | UNS Designation |
|---|---|---|
| Hastelloy X | 2.4665 | N06002 |
Chemical Composition (%)
| Element | Specification Range (UNS N06002) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.50 – 23.00 |
| Iron (Fe) | 17.00 – 20.00 |
| Molybdenum (Mo) | 8.00 – 10.00 |
| Cobalt (Co) | 0.50 – 2.50 |
| Manganese (Mn) | 1.00 max |
| Silicon (Si) | 1.00 max |
| Carbon (C) | 0.05 – 0.15 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.03 max |
Mechanical & Physical Properties
| Property Parameter | Metric Units | Imperial Units |
|---|---|---|
| Density | 8.22 g/cm³ | 0.297 lb/in³ |
| Melting Point | 1355 °C | 2470 °F |
| Tensile Strength (Min) | 655 MPa | 95,000 Psi (95 ksi) |
| Yield Strength (0.2% Offset, Min) | 240 MPa | 35,000 Psi (35 ksi) |
| Elongation (Min) | 35 % | 35 % |
Types of Hastelloy X Bars: Hexagonal & Square Profiles
Aurum Overseas supplies Hastelloy X (UNS N06002) bars in precision hexagonal and square profiles for high-temperature gas turbine applications.
Hastelloy X Hex Bars
Hastelloy X Square Bars
Key Advantages of Hastelloy X Square & Hex Bars
Exceptional Flame & Scale Shield
Chromium-rich surface layer prevents oxidation, scaling, and metal degradation up to 1200 °C.
Carburization & Nitriding Protection
Solid-solution alloy matrix delays carbon and nitrogen absorption in dirty or reducing furnace atmospheres.
Weld-Ready Solution Annealed Condition
High ductility and toughness along welded joint zones eliminate the need for post-weld stress relief.
Superior Precision Machining
Clean internal grain structure provides smooth turning, milling, and threading with reduced tool wear.
Key Applications of Hastelloy X Square & Hex Bars
| Industry | Applications | Operational Benefit |
|---|---|---|
| Gas Turbines | Combustion liners, transition ducts, hex nozzle mounts | Prevents thermal creep and scaling under direct high-heat flame contact. |
| Industrial Furnaces | Furnace rolls, square support grids, retort bolts | Withstands severe thermal fatigue and carburization in continuous heating cycles. |
| Petrochemical Plants | Pyrolysis tubing supports, reformer hex plugs, baffle stock | Eliminates hydrogen embrittlement and thermal oxidation in high-temperature gas processing. |
| Aerospace Afterburners | Flame holders, spray bars, exhaust nozzle hex hardware | Maintains structural geometry under severe vibration and cyclic thermal shock. |
Quality Testing & Inspection
As a certified Hastelloy X Square Bars and Hex Bars Exporter, Aurum Overseas enforces complete quality verification protocols on every production heat:
- Positive Material Identification (PMI): 100% XRF chemical analysis verifying exact Ni balance, 20.5–23% Cr, 17–20% Fe, and 8–10% Mo composition.
- High-Temperature Tensile & Creep Testing: Tensile and stress-rupture evaluation conducted strictly per ASTM B572 / AMS 5754 requirements.
- Metallographic Grain Size Analysis: Microstructural inspection to confirm uniform grain size and full solution-annealed phase homogeneity.
Global Export Markets
As an established Hastelloy X Square & Hex Bar Exporter, Aurum Overseas supplies fully certified ASTM B572 UNS N06002 bars to global gas turbine, industrial furnace, petrochemical, and aerospace facilities:
USA
Canada
Mexico
Germany
United Kingdom
France
Italy
Netherlands
Belgium
Spain
Poland
UAE
Saudi Arabia
Qatar
Kuwait
Oman
Bahrain
Frequently Asked Questions
Hastelloy X bars can be operated continuously in oxidizing atmospheres at temperatures up to 1200 °C (2200 °F) while maintaining excellent oxidation resistance and structural integrity.
Hastelloy X is optimized primarily for high-temperature thermal strength, flame exposure, and oxidation/carburization resistance, whereas Hastelloy C4 and C276 are designed for wet chemical aqueous corrosion resistance.
No. Hastelloy X exhibits excellent weldability and retains high ductility in as-welded heat-affected zones, eliminating the need for post-weld heat treatment in most structural fabrications.
Our cold-drawn bright hex and square bars are manufactured to ISO h9, h10, and h11 precision tolerances, guaranteeing seamless bar feeding for automated CNC lathe operations.
Contact Aurum Overseas
Partner with a trusted Hastelloy X Square Bars and Hex Bars Supplier for certified superalloy inventory, precision cut-to-length sawing, and rapid global delivery.