Technical Specification:
| Parameter | Specification |
| Composition | Ni 30–35, Cr 19–23, Fe 39.5 max, C 0.05–0.10, Al ≥ 1.0 |
| Temperature Range | – 200°C to +1150°C |
| Tensile Strength | ≥ 550 MPa |
| Yield Strength | ≥ 310 MPa |
| Hardness | ≤ HRC 100 |
| Standards | ASTM B516, ASME SB516 |
Other Details:
- Suitable for petrochemical, power plants, and reverse Brayton cycle gas turbines.
- Offers excellent thermal stability and strength.
Key Features:
- Superior high-temperature strength and creep resistance due to controlled carbon and grain size
- Excellent oxidation and carburization resistance in elevated temperature environments
- Enhanced thermal stability and mechanical integrity under prolonged exposure to heat
- Exceptional corrosion resistance in sulfur-rich and acidic conditions
- Good fabrication, machining, and weldability characteristics
FAQs:
- What is Inconel 800H composed of?
Inconel 800H is a nickel-iron-chromium alloy with higher carbon and aluminum-titanium control, designed for superior high-temperature strength. - How does Inconel 800H differ from Inconel 800?
Inconel 800H has improved creep and stress-rupture strength due to its optimized carbon and grain size control, making it ideal for long-term elevated temperature use. - What temperature range can Inconel 800H Pipe Fittings operate in?
These fittings are reliable up to 1100°C (2010°F) in oxidizing and carburizing environments. - What are the standards for Inconel 800H Pipe Fittings?
They are manufactured in compliance with ASTM B366 and ASME SB366 specifications.




