Hastelloy X Round Bar (UNS N06002 / W.Nr. 2.4665)
Hastelloy X Round Bar is a nickel–chromium–iron–molybdenum alloy renowned for its exceptional strength, oxidation resistance, and fabricability at high temperatures. It offers outstanding resistance to stress corrosion cracking and maintains excellent mechanical properties in both oxidizing and reducing atmospheres, making it a preferred material for aerospace, gas turbine, and high-temperature industrial applications.
Key Features
- Excellent oxidation resistance up to 1200 °C
- High tensile and creep strength at elevated temperatures
- Outstanding resistance to stress corrosion cracking
- Good fabricability and weldability
- Resistance to carburization and nitriding environments
- Stable microstructure under thermal cycling
Equivalent Grades
| Standard | Equivalent |
|---|---|
| UNS | N06002 |
| DIN / EN | 2.4665 |
| ASTM | Hastelloy X |
Sizes
- Diameter: 6 mm to 350 mm
- Length: Random, Cut Length, or as per customer requirement
Hastelloy X Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.5 – 23.0 |
| Iron (Fe) | 17.0 – 20.0 |
| Molybdenum (Mo) | 8.0 – 10.0 |
| Cobalt (Co) | ≤ 2.5 |
| Tungsten (W) | 0.2 – 1.0 |
| Carbon (C) | ≤ 0.15 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 1.0 |
UNS N10003 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 760 MPa |
| Yield Strength (0.2%) | ≥ 355 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 95 HRB |
W.Nr. 2.4665 Physical Properties
| Property | Value |
|---|---|
| Density | 8.22 g/cm³ |
| Melting Range | 1260 – 1355 °C |
| Modulus of Elasticity | 205 GPa |
| Thermal Conductivity | 9.1 W/m·K |
Types of Hastelloy X Round Bar
- Hot Rolled Round Bar
- Cold Drawn Round Bar
- Forged Round Bar
- Precision Machined Bar
Applications
- Gas turbine components
- Aerospace engine parts
- High-temperature heat exchangers
- Furnace components and muffles
- Petrochemical processing equipment
- Power generation systems
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