High Strength Incoloy 800H High Temperature Alloy Strip for Aerospace and Turbine Components

• Alloy Designation: Incoloy 800 H (UNS N08810 / W.Nr. 1.4958)

• Certifications:
  ASME SB409, EN 10095, NACE MR0103 (ISO 21457) for sour service

• Chemical Composition (wt%):
  Ni 30-34%, Cr 19-23%, Fe ≥39.5%, C 0.05-0.10%, Al 0.15-0.60%, Ti 0.15-0.60%, Mn ≤1.5%, Si ≤1.0%

• Dimensional Tolerances:
  Thickness: 0.5–25 mm (±0.5% or ±0.02 mm, whichever is stricter)
  Width: 50–2,500 mm (edge straightness ≤0.1 mm/m)

• Supply Conditions:
  Solution-annealed (1,100–1,150°C, water quench), pickled, or cold-rolled (30–50% reduction)

• Extreme Temperature Stability:

• Continuous service up to 815°C with oxidation resistance (mass loss <2 mg/cm² after 1,000 hours at 900°C per ASTM G54).

• Creep rupture strength: 120 MPa at 700°C/10,000 hours (per ASTM E139).

• Phase Stability:

• No detrimental σ-phase formation below 850°C (verified by Thermo-Calc simulations).

• Corrosion Resistance:

• Sulfidation resistance in H₂S-containing environments up to 550°C (corrosion rate <0.1 mm/year per NACE TM0177).

• Resistance to carburization in hydrocarbon processing (carbon penetration <0.5 mm after 5 years at 650°C).

• Mechanical Properties:

• Room temperature: Tensile strength ≥550 MPa, yield strength ≥210 MPa, elongation ≥35%.

• Elevated temperature (700°C): 0.2% proof strength ≥85 MPa.

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• Melt Process:
  Triple vacuum refinement (VIM + ESR + VAR) achieves ultra-low impurities:

• Oxygen ≤30 ppm, sulfur ≤0.003%, phosphorus ≤0.015%.

• Thermomechanical Processing:

• Controlled warm rolling at 650–750°C with inter-pass recrystallization annealing.

• Online laser ultrasonics for real-time grain size monitoring (ASTM 5-7).

• Surface Engineering:

• Electrochemical grinding (ECG) generates compressive residual stress (−400 MPa) on strip edges.

• Aluminide diffusion coating option (thickness 20–50 µm) for enhanced oxidation resistance.

• High-Temperature Strengthening:

• Carbon Control: Optimal C content (0.05–0.10%) promotes M₂₃C₆ carbide precipitation at grain boundaries, enhancing creep resistance without compromising ductility.

• Solid Solution Strengthening: Ni-Cr matrix with Ti/Al additions stabilizes FCC structure against phase transformation.

• Oxidation Mechanism:
  Dual-layer oxide formation:

• Outer layer: Cr₂O₃ (chromia) for oxygen barrier.

• Inner layer: Al₂O₃ (alumina) preventing subsurface oxidation.

• Thermal Fatigue Resistance:
  Low coefficient of thermal expansion (CTE: 14.5 µm/m·°C, 20–600°C) minimizes thermal stress during cycling.

• Power Generation:

• Combustion liners for gas turbines (operating at 750–800°C/15 bar).

• Superheater tubes in advanced ultra-supercritical (A-USC) boilers (620°C/31 MPa steam).

• Petrochemical Processing:

• Ethylene cracking furnace tubes (pyrolysis service at 850–950°C).

• Hydrocracker reactor internals (resisting H₂ + H₂S at 450°C/20 MPa).

• Nuclear Systems:

• Generation IV reactor heat exchangers (helium-cooled, 750°C design).

• Spent fuel dry storage canisters (1,000-year integrity assurance).

• Industrial Heating:

• Roller hearth furnace conveyors (1,000°C cyclic loading).

  Sintering trays for powder metallurgy (thermal shock resistance >500 cycles).

• Emerging Technologies:

• Concentrated solar power (CSP) receiver panels (900°C solar flux).

• Hydrogen production via high-temperature electrolysis (850°C steam).

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Parameters

1. Market Leader

   Top 5 in China's nonferrous metal industry

2. Flexible products

   Thousands of product specifications,Meet multiple needs of buyers

3. Low MOQ

   Can customize samples

4. Short production lead time，fast delivery of whole cabinet

5. Professional inspection equipment

   Before delivery, we will use spectrometers, tensile testers and other professional equipment to conduct a comprehensive inspection of the products to ensure that the goods are qualified for acceptance

6. Professional business team

   Quickly responds to customer inquiries,24-hour professional quotation online

   The salesperson will follow the customer's requirements for the use of the product,Professionally recommend more appropriate performance and price products to customers

7. Intact packaging

   Packaging according to customer needs.You can customize wooden boxes to ensure that the goods arrive at the destination in good condition

8. Various payment methods

   Facilitate customer payment

9. Get good reviews from customers

   Old customers have long-term cooperation,The longest is more than 7 years

10. Received various awards

    Google is very recognized by us,They give us awards every year

CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, Precision Alloy , FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.

Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.

For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

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FAQ

Q1: What products does DLX Alloys offer?

A1: DLX Alloys specializes in high-performance materials like Incoloy, Inconel, and Hastelloy alloys, offering products such as bars, rods, tubes, and sheets for industries like aerospace, chemical processing, and energy.

Q2: How can I get a quote for Incoloy 825 alloy bars?

A2: You can request a quote directly on our website by filling out the contact form, or email us at info@dlx-alloys.com for more information.

Q3: Where is DLX Alloys based?

A3: DLX Alloys is headquartered in China, where we manage production and distribution to meet international quality standards.

Q4: How can I contact DLX Alloys for technical support or inquiries?

A4: For technical support or any inquiries, you can contact our customer service team at support@dlx-alloys.com or call our office at +86 199 0611 9641

Q5: Does DLX Alloys provide custom alloy fabrication?

A5: Yes, we offer custom fabrication options for various alloy products to meet your specific industrial needs. Reach out to us via email at sales8@dlx-alloys.com to discuss your requirements.