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ASTM B514 Incoloy 800/800H UNS N08800/N08810 Welded Pipe

ASTM B514 Incoloy 800/800H UNS N08800/N08810 Welded Pipe

ASTM B514 Incoloy 800/800H UNS N08800/N08810 Welded Pipe
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ASTM B514 Incoloy 800/800H UNS N08800/N08810 Welded Pipe
Product Details:
Place of Origin: China
Brand Name: YUHONG GROUP
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number: ASTM B514/ASME SB514, UNS N08810/1.4958/Incoloy 800H
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Price: negotiation
Packaging Details: Plywood case
Delivery Time: depend on quantity
Payment Terms: T/T,L/C
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Detailed Product Description
Specification: ASTM B514 Grade: Incoloy 800/800H UNS N08800/N08810
Type: Welded Pipe Ends: Beveled End, Plain End
Length: 6M Or Specified Length As Required Packing: Plywood Case
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ASTM B514 Incoloy 800/800H UNS N08800/N08810 Welded Pipe




What is Incoloy 800/800H Welded Pipe?


Incoloy 800 (UNS N08800) and Incoloy 800H (UNS N08810) are nickel-iron-chromium superalloys known for their excellent resistance to oxidation, carburization, and high-temperature corrosion. These alloys are widely used in welded pipe form for applications in petrochemical, power generation, heat treatment, and chemical processing industries.


Key Features:


High-Temperature Strength: Maintains mechanical properties at elevated temperatures (up to 1100°F / 593°C for 800H).


Oxidation & Corrosion Resistance: Resists oxidation, carburization, and sulfidation in harsh environments.


Good Fabricability: Can be welded and formed using standard techniques.


Stability: Resists stress corrosion cracking and chloride-ion attack.

 


Chemical Composition


Element Incoloy 800 (N08800) (%) Incoloy 800H (N08810) (%)
Nickel (Ni) 30.0 - 35.0 30.0 - 35.0
Chromium (Cr) 19.0 - 23.0 19.0 - 23.0
Iron (Fe) Balance Balance
Carbon (C) ≤ 0.10 0.05 - 0.10
Aluminum (Al) 0.15 - 0.60 0.15 - 0.60
Titanium (Ti) 0.15 - 0.60 0.15 - 0.60
Manganese (Mn) ≤ 1.50 ≤ 1.50
Silicon (Si) ≤ 1.00 ≤ 1.00
Sulfur (S) ≤ 0.015 ≤ 0.015
Copper (Cu) ≤ 0.75 ≤ 0.75

Note: Incoloy 800H has controlled carbon content (0.05-0.10%) for improved creep rupture strength at high temperatures.



Mechanical Properties


Property Incoloy 800 (N08800) Incoloy 800H (N08810)
Tensile Strength (MPa) ≥ 520 ≥ 450
Yield Strength (MPa) ≥ 207 ≥ 170
Elongation (%) ≥ 30 ≥ 30


Welding Considerations

Welding Methods: TIG (GTAW), MIG (GMAW), SAW.

Filler Metals: ERNiCr-3 (Inconel 82), ENiCrFe-3 (Inconel 182/Incoloy 800H compatible).

Post-Weld Heat Treatment (PWHT): Recommended for stress relief (annealing at 1600°F / 871°C for 800H).


Applications of Incoloy 800/800H Welded Pipes

Petrochemical Industry: Heat exchanger tubes, furnace components.

Power Generation: Boiler tubes, superheater tubes.

Chemical Processing: Reactor piping, catalyst tubes.

Heat Treatment: Radiant tubes, muffles.

Nuclear Industry: Steam generator tubing.


Advantages

Over Other AlloysBetter oxidation resistance than stainless steel (304/316) at high temperatures.

Superior creep resistance compared to Incoloy 800 due to controlled carbon in 800H.

More cost-effective than high-nickel alloys like Inconel 600/601.
 
ASTM B514 Incoloy 800/800H UNS N08800/N08810 Welded Pipe 0







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