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Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications

Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications

Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications
Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications
Categories Nickel Alloy
Brand Name: DELTA
Model Number: incoloy 800H
Certification: ISO
Place of Origin: China
MOQ: 10 kgs
Price: 12-20 USD/Kg
Payment Terms: L/C, T/T, Western Union
Supply Ability: 3 Ton per week
Delivery Time: 5 - 12 days based on the quantity
Packaging Details: standard packing for export
Products: Incoloy 800H round bar
Grade: incoloy 800H
Diameter: 10 - 350mm
Length: custom cutting any length as request
Standard: ASTM EN
Service: Cutting
Loading Port: Shanghai Port
Surface: black, bright
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Company Info.
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
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Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications

  1. Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications

Products Specification


Standard
AISI, ASTM, BS, DIN, GB, JIS
Grade
Monel series: 400 K500
Inconel series: 600 601 625 718 725
Incoloy series: 800 800H 825 925
Hastelloy series: B,B2,B3,C,C-276,C-4,C-22
Pure: Ni200, Ni201
Specifications
Round bar
Diameter:4~300mm
Flat bar
Thickness
1.0~100mm
Width
1~1500mm
Square bar
Size: 4*4-100*100mm
Length
2m, 5.8m, 6m, or as required.
Surface
Black, peeled, polishing, bright, sand blast, hair line, etc.
Price Term
Ex-work, FOB, CFR, CIF, etc.
Delivery Time
Standard size is in stock,prompt delivery or as order's quantity.

Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications

Incoloy 800H round bar stands as a premium nickel-iron-chromium alloy engineered to excel in extreme high-temperature industrial environments. Its unique composition and structural design make it an indispensable material for sectors demanding uncompromising performance under thermal stress, corrosion, and mechanical load. Unlike conventional stainless steels that degrade rapidly at elevated temperatures, this alloy maintains structural integrity and functional stability, delivering long-term reliability and cost efficiency.
The exceptional performance of Incoloy 800H round bar originates from its precisely calibrated chemical composition. As a face-centered cubic austenitic alloy, it features a balanced blend of 30.0-35.0% nickel, 19.0-23.0% chromium, and iron as the balance, supplemented by controlled amounts of carbon (0.05-0.10%), aluminum (0.15-0.60%), and titanium (0.15-0.60) . This formulation creates a synergistic effect: nickel enhances resistance to chloride stress corrosion cracking, chromium forms a dense Cr₂O₃ protective layer against oxidation, and the optimized carbon content boosts high-temperature strength . The "H" designation signifies its specialized high-temperature capability, distinguishing it from standard alloys.
Below is a detailed overview of its key specifications and properties:
CategoryDetails
Chemical Composition (%)Ni: 30.0-35.0; Cr: 19.0-23.0; Fe: Bal.; C: 0.05-0.10; Al: 0.15-0.60; Ti: 0.15-0.60; Mn: ≤1.5; Si: ≤1.0
Physical PropertiesDensity: 7.94 g/cm³; Melting range: 1350-1400°C; Modulus of elasticity: 196.5 kN/mm² (20°C)
Mechanical Properties (Hot Rolled)Tensile strength: ≥500 N/mm²; Yield strength: ≥210 N/mm²; Elongation: ≥35%; Brinell hardness: ≤210 HB
Product SpecificationsDiameter: 4mm-500mm; Length: 1-6m (customizable); Standards: ASTM B409, ASME SB409, UNS N08810
Surface TreatmentsBlack, bright polished, rough turning, matt, No.4, BA
The core advantage of Incoloy 800H round bar lies in its superior high-temperature performance. It maintains stable mechanical properties across 650°C to 1100°C, with a strength retention rate of 40% at 815°C—double that of 304 stainless steel . In 815°C/25MPa conditions, its creep rupture life exceeds 30,000 hours, eight times longer than standard Incoloy 800 . Additionally, its Cr₂O₃-Al₂O₃ composite oxide layer blocks carbon penetration, limiting depth to 20μm after 1000 hours at 900°C, compared to 150μm for 304 stainless steel .
These properties make it ideal for critical applications across industries:
  • Petrochemical: Crack furnace tubes, reactors, and heat exchangers. A Guangdong ethylene plant reported 24,000 hours of service with only 0.5% creep deformation, tripling maintenance intervals .
  • Power Generation: Superheaters and steam pipes in ultra-supercritical power plants, enhancing efficiency by withstanding higher temperatures .
  • Nuclear Industry: Fuel handling equipment and control systems, leveraging radiation resistance and thermal stability .
  • Aerospace: Engine combustion chambers and turbine components, combining lightweight properties with high-temperature resilience .
Incoloy 800H round bar also offers excellent processability, compatible with hot and cold working, while meeting global quality standards with ISO, SGS, and BV certifications . For industries operating in extreme thermal and corrosive conditions, it represents a strategic investment that reduces downtime, lowers maintenance costs, and ensures operational safety.


Product Tags:

Incoloy 800H round bar

  

high temperature resistant nickel alloy

  

industrial nickel iron chromium alloy

  
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Incoloy 800H Round Bar High Temperature Resistant Nickel-Iron-Chromium Alloy for Industrial Applications

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