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ASTM B407 N08810 Seamless and Welded Alloy Tubes

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ASTM B407 N08810 Seamless and Welded Alloy Tubes

Brand Name : YUHONG

Model Number : ASTM B407 N08810

Certification : ABS, GL, DNV, NK, PED, AD2000, ISO 9001

Place of Origin : China

MOQ : 300KGS

Price : Negotiable

Payment Terms : T/T,L/C

Supply Ability : 1000 tons per month

Delivery Time : Depends on quantity

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case

Specification : ASTM B407

Grade : N08810

Non Destructive Test : ET, HT, UT

Highlight : Nickel-Iron-Chromium Alloy Seamless Pipe and Tube

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1. Brief Introduction



ASTM B407 N08810 (UNS N08810) is a high-performance nickel-iron-chromium alloy designed for high temperature and highly corrosive environments.


Its excellent oxidation, carburization, and sulfidation resistance make it a core material for the petrochemical, nuclear power, and heat treatment industries.


The alloy achieves high-temperature strength through solid solution strengthening and can be used stably for a long time below 650°C.



2. Chemical composition


Element Content range Element Content range
Ni 30.0-35.0 Cu ≤0.75
Cr 19.0-23.0 Al ≤0.15-0.60
Fe Margin Ti ≤0.15-0.60
Mo ≤1.0 C ≤0.10
Mn ≤1.50 Si ≤1.0
S ≤0.015 P ≤0.030



3. Mechanical properties (annealed state)


  • Tensile strength (Rm): ≥550 MPa


  • Yield strength (Rp0.2): ≥240 MPa


  • Elongation (A50mm): ≥30%


  • Hardness (HBW): ≤200


Note: Mechanical properties can be optimized by solution annealing (1050-1150°C water cooling).



4. Physical properties


Parameter Value
Density 8.0 g/cm³
Melting point range 1350-1400°C
Thermal expansion coefficient 14.2 μm/m·°C (20-100°C)
Thermal conductivity 12.1 W/m·K (100°C)
Specific heat capacity 500 J/kg·K (20°C)
Resistivity 1.05 μΩ·m (20°C)



5. Key advantages


  • High temperature performance: Maintains high strength in the range of 600-800°C, and has excellent creep resistance.


  • Corrosion resistance: Resistant to H₂S, Cl⁻, sulfuric acid and nitric acid environments, and resists chloride stress corrosion cracking (Cl-SCC).


  • Oxidation resistance: A dense Cr₂O₃ oxide film is formed on the surface, and the oxidation resistance temperature reaches 1100°C.


  • Processing performance: Can be cold/hot formed, and welding is compatible with TIG, MIG and arc welding (ERNiCr-3 welding materials are recommended).


6. Application fields


  • Petroleum and natural gas: cracking furnace tubes, hydrogenation reactors, sulfur recovery units.


  • Chemical equipment: acid regeneration systems, high-temperature reactors, nitric acid condensers.


  • Nuclear power: nuclear waste treatment containers, heat exchanger pipes.


  • Heat treatment industry: radiation tubes, carburizing furnace internals.


  • Marine engineering: seawater desalination evaporators, deep-sea pipelines.


  • Environmental protection equipment: flue gas desulfurization (FGD) systems, waste incinerator components.

ASTM B407 N08810 Seamless and Welded Alloy Tubes


Product Tags:

Nickel Iron Chromium Alloy 800H Tubes

      

ASTM B407 N08810 Nickel Alloy Pipe

      

Seamless / Welded Nickel Alloy Pipe

      
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