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ASTM B407 UNS N08811 / DIN 1.4958 Nickel Alloy Tube Seamless Incoloy 800HT Tube

ASTM B407 UNS N08811 / DIN 1.4958 Nickel Alloy Tube Seamless Incoloy 800HT Tube

ASTM B407 UNS N08811 / DIN 1.4958 Nickel Alloy Tube Seamless Incoloy 800HT Tube
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ASTM B407 UNS N08811 / DIN 1.4958 Nickel Alloy Tube Seamless Incoloy 800HT Tube
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008INCOLOY800, INCOLOY 800,800H,800HT, Inconel 600,601,625,690, 718. Monel 400
Model Number: ASTM B407 UNS N08811 Seamless Nickel Alloy Tube
Payment & Shipping Terms:
Minimum Order Quantity: 500KGS
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 7 DAYS
Payment Terms: L/C,T/T
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Detailed Product Description
Product Name: Nickel Alloy Seamless Tube Standard: ASTM B407, ASME SB407
Material Grade: Incoloy 800(1.4876), Incoloy 800H(1.4958),800HT(1.4959), 825(2.4858). Inconel 600(2.4816), 601(2.4851), 625(2.4856),690(2.4642), 718(2.4668). Monel 400(2.4360/2.4361) Size: Can Custom
End: Plain Ends / Beveled Ends Type: Cold Drawn Seamless
NDT: UT, ET, HT, PMI
Highlight:

Seamless Nickel Alloy Tube

,

DIN 1.4958 Nickel Alloy Tube

,

ASTM B407 Nickel Alloy Tube

ASTM B407/ ASME SB407 Incoloy 800H / UNS N08811 Nickel Alloy Seamless Tube

 

 

ASTM B407 UNS N08811 (Incoloy 800HT) seamless tube is prized for its ability to withstand extreme temperatures, corrosive environments, and mechanical stress. Below are some reasons why choose UNS N08811 over alternative:

 

 

Scenario N08811 Advantage Alternative Material Limitation of Alternative
Ethylene Cracking (1100°C) Resists carburization and thermal fatigue SS 310H Lower creep strength at 1000°C+
Steam Reforming (900°C) Higher creep rupture strength Incoloy 800H (N08810) Lower carbon content reduces strength
Sour Gas (H₂S) NACE compliance and SCC resistance Duplex Stainless Steel Prone to H₂S-induced cracking
Molten Salt Heat Transfer Oxidation resistance in air Inconel 625 Overkill for non-corrosive salts
 

 

ASTM B407 Incoloy 800HT Seamless Nickel Alloy Tube Equivalent Grades

STANDARD WERKSTOFF NR. UNS GB EN
Incoloy 800HT 1.4958 N08811 1Cr20Ni32AlTi X5NiCrAlTi31-20

 

 

ASTM B407 Incoloy 800HT Seamless Nickel Alloy TubeChemistry Composition

Ni, %
Cu, %
Fe, %
Mn, %
C, %
Si, %
S, %
Cr, %
Al, %
Ti, %
30.0-35.0
0.75 max
39.5 min
1.50 max
0.06-0.10
1.00 max
0.015 max
19.0-23.0
0.15-0.60
0.15-0.60

 

 

 

 

 

ASTM B407 Incoloy 800HT Seamless Nickel Alloy Tube Mechanical Properties

Tensile Strength , MPa
Yield Strength, MPa
Elongation, %
 
450 min
170 min
30 min
Hot-finished Annealed
450 min
170 min
30 min
Cold-worked Annealed

 

 

 

 

 

 

Manufacturing & Processing

  • Seamless Tube Production:

    • Hot Extrusion: Billets heated to 1100–1200°C and forced through a die to form hollow tubes.

    • Cold Drawing: Final dimensions achieved through cold working for precise tolerances and surface finish.

    • Heat Treatment: Solution annealed at 1150–1200°C followed by rapid quenching to dissolve carbides and ensure uniform microstructure.

 

 

Application

 

1. Petrochemical & Chemical Processing

 

  • Ethylene Cracking Furnaces

  • Steam Methane Reformers (SMRs):

  • Pyrolysis Units

2. Power Generation

 

 

  • Fossil Fuel Power Plants:

  • Heat Recovery Steam Generators (HRSGs)

  • Nuclear Power Plants:

3. Oil & Gas (Upstream/Downstream)

 

 

  • Sour Gas Processing

  • Flare Systems:

4. Industrial Furnaces & Heat Treatment

 

... ...

 

 

ASTM B407 UNS N08811 / DIN 1.4958 Nickel Alloy Tube Seamless Incoloy 800HT Tube 0

 

 

  • Annealing Furnaces

  • Carburizing Furnaces

Tag:

Boiler Duplex Stainless Steel Pipes,

Power Plant Duplex Stainless Steel Pipes,

Alloy Steel Seamless Pipe ASME SA335

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