ASME SB407 UNS N08811 Alloy Pipe For Oil And Gas
Sizes: 1/2" - 12" OD
OD: 3.00 - 219.10 mm
Thickness: 0.40 - 12.70 mm
Lengths: Single, double, random, and cut-to-length
Incoloy UNS N08811 Welded Tubing
Sizes: 1/2" - 12" OD, Gauges: 25 SWG - 10 SWG
OD: 6.35 - 114.3 mm OD
Thickness: 0.8 - 12.7 mm
Lengths: Up to 26 meters
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
- Tel: +8615824687445
ASME SB407 UNS N08811 Alloy pipe for oil and gas description
ASME SB407 UNS N08811 Alloy pipe for oil and gas

GNEE ASME SB407 UNS N08811 Alloy pipe for oil and gas
ASME SB407 UNS N08811, a nickel-iron-chromium alloy tube also known as Incoloy 800HT, is used in high-temperature oil and gas applications for its resistance to creep, rupture, carburization, and oxidation. Designed for operating temperatures above 1100°F (593°C), it requires special heat treatment to control grain size for optimal performance. The material can be welded using standard techniques and requires testing to ensure it meets specification requirements for mechanical properties and defect-free material.
ASME SB407 UNS N08811 Pipe Specification Chart
| ASTM Specification | ASTM B407 / ASME SB407 |
|---|---|
| Standard | ASTM, ASME, JIS, AISI, AMS, EN, SAE, DIN, NF, TOCT, DS, DTD, GB |
| ASTM B407 UNS N08811 Seamless Pipe Size | 4 to 219mm W. T.: 0.5 to 20mm |
| ASTM B407 N08811 Welded Pipe Size | 5.0 - 1219.2 mm |
| ASME SB 407 N08811 EFW Pipe size | 5.0 - 1219.2 mm |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| B407 N08811 Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| ASTM B407 UNS N08811 Pipe Length | Single Random, Double Random, Standard & Cut length Pipe |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish, etc |
| Form | ASTM B407 UNS N08811 Pipe are available in form of Round, Square, Hollow, Rectangular, Hydraulic, Coiled, Straight Pipes, "U" Shape, Pan Cake Coils etc. |
| Type of SB 407 UNS N08811 Pipe | Seamless / ERW/ EFW / Welded / Fabricated / CDW / DOM / CEW ASTM B407 UNS N08811 Pipe |
| ASTM B407 UNS N08811 Pipe End | Plain End, Beveled End, Treaded Pipe, Screwed ends |
ASME SB407 UNS N08811 Alloy pipe for oil and gas Specification
ASTM B407 Incoloy 800HT Tubing Mechanical Properties
| Alloy | Density | Melting Range | Tensile Stress | Yield Stress (0.2%Offset) | Elongation |
| Inconel 800HT Tubing | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi - 75,000 , MPa - 520 | Psi - 30,000 , MPa - 205 | 30 % |
Incoloy NCF 800HT Tube Chemical Composition
| Alloy | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800HT | 0.06 - 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 - 35.00 | 19.00 - 23.00 | 0.15 - 0.60ᴬ | 0.15 - 0.60 |
ASME SB407 UNS N08811 Alloy pipe for oil and gas Surface Treatments
Gnee Steel provides four surface treatments for ASME SB407 UNS N08811 Alloy pipe for oil and gas: pickling, mirror polishing, polishing, and sandblasting.
ASME SB407 UNS N08811 Alloy pipe for oil and gas production process
Gnee Steel provides the following heat treatments for ASME SB407 UNS N08811 Alloy pipe for oil and gas: annealing, solution + aging. In addition, Gnee Steel also provides hot working and cold working, which are hot rolling and cold drawing.
ASME SB407 UNS N08811 Alloy pipe for oil and gas Packaging
In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.
ASME SB407 UNS N08811 Alloy pipe for oil and gas Testing And Qualification Certificate
GNEE Group ASME SB407 UNS N08811 Alloy pipe for oil and gas Testing And Qualification Certificate


Fabrication and Testing
Welding: Can be welded using conventional methods similar to stainless steel.
Forming: Excellent cold-forming properties are possible, but excessive cold working can result in an "orange peel" surface texture.
Testing: Pipes must meet stringent requirements, including chemical composition, mechanical properties (such as tensile strength and yield strength), and a defect-free surface. Nondestructive testing, such as eddy current testing or hydrostatic testing, is required to detect defects.
Heat Treatment: Appropriate heat treatment is required to achieve the controlled grain size required for high-temperature applications.
About Gnee Steel

Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
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