High Quality Incoloy 800H (UNS N08810) Factory
Whether you need pipes, plates, or bars, Gnee offer Incoloy 800H for sale with global shipping and professional technical support.
- ASTM B409/B407/B408 Certified Quality
- Solution Annealed for Optimal Creep Resistance
- Coarser Grain Size (ASTM No.5 or Coarser)
- Carbon Content: 0.05-0.10% for Enhanced Strength
Mill Test Certificate
EN 10204 Type 3.1
Years Experience
Factory Area
Stock Inventory
Global Clients
Incoloy 800H Manufacturer
Stop worrying about material failure in extreme heat. When your project hits 600°C and above, standard steel just won’t cut it. You need the high-carbon strength of Incoloy 800H (UNS N08810).
At GNEE, we manufacture high-performance alloys that stay strong when the heat is on. No warping, no cracking—just reliable performance from a Chinese factory you can trust.
We support a variety of manufacturing technologies and processing processes such as forging, hot rolling, cold rolling, cold drawing, welding, return processing, machining, surface treatment, etc. Welcome to consult!
Quality Certifications & Standards
Parameters Of Incoloy 800H
Complete technical specifications including chemical composition, mechanical properties, and physical properties
| Element | Min. | Max. |
|---|---|---|
| Nickel (Ni) | 30.0 | 35.0 |
| Chromium (Cr) | 19.0 | 23.0 |
| Iron (Fe) | 39.5 | Balance |
| Carbon (C) | 0.05 | 0.10 |
| Aluminum (Al) | 0.15 | 0.60 |
| Titanium (Ti) | 0.15 | 0.60 |
| Manganese (Mn) | — | 1.50 |
| Silicon (Si) | — | 1.00 |
| Copper (Cu) | — | 0.75 |
| Sulfur (S) | — | 0.015 |
Key Difference: The controlled carbon content (0.05-0.10%) in 800H is the primary factor distinguishing it from standard Incoloy 800. This optimized carbon level promotes M₂₃C₆ carbide precipitation at grain boundaries, significantly enhancing creep resistance without compromising ductility.
Room Temperature (21°C / 70°F)
| Tensile Strength | ≥450 MPa (65,000 psi) |
| Yield Strength (0.2% offset) | ≥170 MPa (25,000 psi) |
| Elongation (50mm gauge) | ≥30% |
| Hardness (Brinell) | ≤200 HBW |
| Hardness (Rockwell) | ≤90 HRB |
Elevated Temperature Tensile
| Temperature | Tensile (MPa) | Yield (MPa) |
|---|---|---|
| 600°C (1112°F) | ~380 | ~130 |
| 700°C (1292°F) | ~250 | ~85 |
| 800°C (1472°F) | ~150 | ~60 |
| 900°C (1652°F) | ~90 | ~40 |
Creep Rupture Performance
10,000h rupture strength at 700°C: 180 MPa
100,000h
Rupture strength at 700°C: 110 MPa
Density
7.95 g/cm³
Melting Range
1350-1400°C
Thermal Expansion
14.4 μm/m·°C
Thermal Conductivity
11.8 W/m·K
Elastic Modulus
200 GPa
Electrical Resistivity
1.05 μΩ·m
Max Service Temperature (Continuous)
815°C (1500°F) in Air
Standards & Specifications of Incoloy 800H
ASTM / ASME Standards
| ASTM B409 | Plate, Sheet & Strip |
| ASTM B407 | Seamless Pipe & Tube |
| ASTM B408 | Rod & Bar |
| ASTM B564 | Forgings |
| ASME SB-409 | Boiler & Pressure Vessel |
International Standards
| EN 10095 | Europe |
| DIN 17460 | Germany |
| JIS G3459 | Japan (Pipe) |
| GB/T 14976 | China |
| BS 3076NA15 | United Kingdom |
UNS / Trade Name Cross-Reference
N08810
UNS Number
1.4958
Werkstoff Nr.
X5NiCrAlTi31-20
EN Designation
NCF 800H
JIS Designation
Incoloy® 800H
Trade Name
What Forms Does Gnee Incoloy 800H Supplier Supply?
Custom sizes and specifications available upon request
Incoloy 800H Plate & Sheet
ASTM B409 / ASME SB-409
- Thickness: 0.5mm – 100mm
- Width: 1000mm – 2500mm
- Length: 2000mm – 12000mm
Incoloy 800H Seamless Pipe & Tube
ASTM B407
- OD: 6mm – 219mm
- Wall Thickness: 0.5mm – 20mm
- Length: Custom / Fixed 6m, 12m
Incoloy 800H Welded Pipe & Tube
ASTM B515 / B516
- OD: 21.3mm – 1219mm
- Wall Thickness: 1.0mm – 15mm
- Length: Custom
Incoloy 800H Round Bar & Rod
ASTM B408 / AMS 5766
- Diameter: 3mm – 800mm
- Length: 1m – 6m / Random
- Surface: Bright / Black / Turned
Incoloy 800H Wire & Welding Wire
AWS A5.14 / ERNiCrCoMo-1
- Diameter: 0.5mm – 6mm
- Spool / Straight: Available
- Grade: ERNiCr-3, ERNiCrCoMo-1
Incoloy 800H Forgings & Fittings
ASTM B564 / B366
- Types: Elbow, Tee, Reducer, Cap
- Size Range: 1/2″ – 24″
- Schedule: Sch5S – Sch160
Need a specific size or form not listed above?
Request Custom DimensionsHow does GNEE control the quality of Incoloy 800H?
Our rigorous 5-step quality control process ensures every product meets international standards
Material Testing
Chemical composition verification using spectrometer analysis
Dimensional Check
Precise measurement of thickness, width, and length tolerances
Mechanical Testing
Tensile, yield, and elongation testing per ASTM standards
Microstructure
Grain size analysis and carbide distribution inspection
MTC Documentation
Complete EN 10204 3.1 certification and traceability
What The Features Of Incoloy 800H?
Incoloy 800H is an iron-nickel-chromium alloy engineered for high-temperature applications requiring superior creep rupture strength and corrosion resistance.
High-Temperature Strength
Excellent creep rupture strength up to 815°C (1500°F). Maintains structural integrity under prolonged thermal stress in petrochemical and power generation applications.
Superior Corrosion Resistance
Outstanding oxidation and carburization resistance. Withstands sulfide-containing environments up to 550°C and resists chloride stress corrosion cracking.
Cost-Effective Performance
Best value among high-temperature nickel alloys. Delivers Inconel 600-level performance at a more competitive price point for most industrial applications.
Where is Incoloy 800H used most commonly?
Trusted by leading petrochemical, power generation, and chemical processing companies worldwide
Petrochemical
- Ethylene cracking furnace tubes
- Reformer tubes
- Pyrolysis coils
- Hydrocracker internals
Power Generation
- Superheater tubes
- Steam generators
- Gas turbine components
- Coal gasification units
Chemical Processing
- Heat exchangers
- Process piping
- Acid neutralization
- Thermal reformers
Heat Treatment
- Furnace muffles
- Radiant tubes
- Annealing retorts
- Heat-treating baskets
Incoloy 800 vs 800H vs 800HT Comparison
Understanding the key differences to select the right grade for your application
| Specification | Incoloy 800H | Incoloy 800 | Incoloy 800HT |
|---|---|---|---|
| UNS Number | N08810 | N08800 | N08811 |
| Carbon Content | 0.05-0.10% | ≤0.10% | 0.06-0.10% |
| Al + Ti Content | 0.30-1.20% | 0.30-1.20% | 0.85-1.20% |
| Heat Treatment | ≥1121°C (2050°F) | Not Required | ≥1149°C (2100°F) |
| Grain Size | ASTM No.5 or coarser | No requirement | ASTM No.5 or coarser |
| Creep Resistance | Improved | Good | Highest |
| Max Service Temp | 815°C (1500°F) | 650°C (1200°F) | 925°C (1700°F) |
| Carburization Resistance | Excellent | Good | Excellent |
| Typical Applications | Reformers, Superheaters, Heat Exchangers | General High-Temp, <650°C | Ethylene Crackers, >800°C Furnaces |
Selection Recommendation
Incoloy 800H is the ideal choice for most high-temperature applications between 650-815°C, offering the best balance of creep resistance, cost-effectiveness, and availability. For extreme temperatures above 800°C with long-term stress, consider Incoloy 800HT for its superior Al+Ti stabilization.
Why Choose GNEE as Your Incoloy 800H Supplier?
18 years of expertise in nickel alloy manufacturing and global export
Large Stock & Fast Delivery
10,000+ tons inventory of Incoloy 800H plate, tube, and bar. Ready to ship within 7 days for standard sizes.
Competitive Pricing
Direct from manufacturer, no middleman markup. 15-30% cost savings compared to European/US suppliers.
Full Quality Certification
Mill Test Certificates (MTC) EN 10204 3.1, with optional third-party inspection (SGS, TUV, BV).
Custom Processing Services
Cutting, beveling, welding, heat treatment, and surface finishing. One-stop solution for your requirements.
Professional Technical Support
In-house metallurgical engineers to assist with material selection, specifications, and technical documentation.
Frequently Asked Questions
What is the minimum order quantity (MOQ) for Incoloy 800H?
Our standard MOQ is 25kg for most forms. However, we support small quantity orders for sample/testing purposes. For customized dimensions or large quantities, we offer highly competitive pricing. Contact us for a tailored quote based on your specific requirements.
Can you provide third-party inspection certificates?
Yes, we work with internationally recognized inspection agencies including SGS, TÜV, Bureau Veritas (BV), Lloyd’s Register, and DNV. Third-party inspections can be arranged at our factory or at the port of loading. Additional inspection fees apply based on the scope of inspection required.
Do you offer welding consultation for Incoloy 800H?
Yes, we provide technical support for welding Incoloy 800H. Recommended filler metals include ERNiCr-3 (for general purpose) and ERNiCrCoMo-1 (for high-temperature service). We also supply matching filler wire and can provide welding procedure specifications (WPS) upon request.
What payment methods do you accept?
We accept various payment methods including T/T (30% advance, 70% before shipment), L/C at sight, and credit terms for established customers. For first-time buyers, we typically require T/T or L/C. Contact our sales team for flexible payment options based on your business profile.
Ready to Discuss Your Incoloy 800H Project?
Direct factory supply with 100% MTC certification and custom manufacturing capabilities.
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