Incoloy 800 Round Bar (UNS N08800 / W.Nr. 1.4876)
Incoloy 800 Round Bar is a nickel–iron–chromium alloy designed for excellent strength and oxidation resistance at elevated temperatures. It offers outstanding resistance to carburization and nitriding, along with good resistance to stress corrosion cracking in aqueous environments. Due to its stable austenitic structure, Incoloy 800 is widely used in heat treatment, petrochemical, and power generation industries.
Key Features
- Excellent oxidation and carburization resistance
- High strength at elevated temperatures
- Good resistance to stress corrosion cracking
- Stable austenitic microstructure
- Good weldability and fabrication properties
- Suitable for long-term high-temperature service
Equivalent Grades
| Standard | Equivalent |
|---|---|
| UNS | N08800 |
| DIN / EN | 1.4876 |
| ASTM | Incoloy 800 |
Sizes
- Diameter: 6 mm to 350 mm
- Length: Random, Cut Length, or as per customer requirement
Incoloy 800 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 30.0 – 35.0 |
| Chromium (Cr) | 19.0 – 23.0 |
| Iron (Fe) | Balance |
| Carbon (C) | ≤ 0.10 |
| Manganese (Mn) | ≤ 1.5 |
| Silicon (Si) | ≤ 1.0 |
| Aluminum (Al) | 0.15 – 0.60 |
| Titanium (Ti) | 0.15 – 0.60 |
UNS N08800 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 500 MPa |
| Yield Strength (0.2%) | ≥ 210 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 90 HRB |
W.Nr. 1.4876 Physical Properties
| Property | Value |
|---|---|
| Density | 7.94 g/cm³ |
| Melting Range | 1357 – 1385 °C |
| Modulus of Elasticity | 196 GPa |
| Thermal Conductivity | 11.5 W/m·K |
Types of Incoloy 800 Round Bar
- Hot Rolled Round Bar
- Cold Drawn Round Bar
- Forged Round Bar
- Precision Machined Bar
Applications
- Heat exchangers and condensers
- Furnace components and muffles
- Petrochemical processing equipment
- Nuclear power plant components
- Power generation systems
- Chemical processing equipment
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