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Incoloy 800H Round Bar - High Temperature Resistant Nickel-Iron-Chromium Alloy
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.
Black, peeled, polishing, bright, sand blast, hair line, etc.
Material Description
Unlike conventional stainless steels that degrade rapidly at elevated temperatures, Incoloy 800H maintains structural integrity and functional stability, delivering long-term reliability and cost efficiency. The "H" designation signifies its specialized high-temperature capability, distinguishing it from standard alloys.
Chemical Composition
Element
Content (%)
Nickel (Ni)
30.0-35.0
Chromium (Cr)
19.0-23.0
Iron (Fe)
Balance
Carbon (C)
0.05-0.10
Aluminum (Al)
0.15-0.60
Titanium (Ti)
0.15-0.60
Manganese (Mn)
≤1.5
Silicon (Si)
≤1.0
Physical & Mechanical Properties
Property
Value
Density
7.94 g/cm³
Melting Range
1350-1400°C
Modulus of Elasticity
196.5 kN/mm² (20°C)
Tensile Strength
≥500 N/mm²
Yield Strength
≥210 N/mm²
Elongation
≥35%
Brinell Hardness
≤210 HB
Key Performance Advantages
Incoloy 800H maintains stable mechanical properties across 650°C to 1100°C, with strength retention of 40% at 815°C—double that of 304 stainless steel. Its CrO-AlO composite oxide layer blocks carbon penetration, limiting depth to 20μm after 1000 hours at 900°C, compared to 150μm for 304 stainless steel.
Industrial Applications
Petrochemical: Crack furnace tubes, reactors, and heat exchangers
Power Generation: Superheaters and steam pipes in ultra-supercritical power plants
Nuclear Industry: Fuel handling equipment and control systems
Aerospace: Engine combustion chambers and turbine components
Incoloy 800H round bar 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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
