Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days |
| Packaging Details | Plywooden Case /Iron Case |
| Standard | ASME SB407 |
| Grade | N08811 |
| Type | Seamless |
| Application | High Temperature Service |
| Surface | Bright Annealed, Pickled |
| Test | Chemical Composition, Mechanical Properties, Grain Size, Hydrostatic Test or Nondestructive Electric Test |
| Brand Name | YUHONG |
| Model Number | ASME SB407 UNS N08811 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days | Packaging Details | Plywooden Case /Iron Case |
| Standard | ASME SB407 | Grade | N08811 |
| Type | Seamless | Application | High Temperature Service |
| Surface | Bright Annealed, Pickled | Test | Chemical Composition, Mechanical Properties, Grain Size, Hydrostatic Test or Nondestructive Electric Test |
| Brand Name | YUHONG | Model Number | ASME SB407 UNS N08811 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | Nickel Alloy Seamless Tube ，ASME SB407 Seamless Tube | ||
ASME SB407 UNS N08811 Nickel Iron Chromium Alloy Seamless Tube for High Temperature Industrial Pipeline
Leveraging 30 years of extensive experience in the manufacturing and export of industrial tubing, YUHONG is a leading provider of top-quality ASME SB407 UNS N08811 Nickel Iron Chromium Alloy Seamless Tubes, meticulously engineered for high-temperature industrial pipeline applications.
All our tubes adhere to the strict requirements of ASME SB407, undergoing comprehensive testing procedures. With a global footprint spanning 85 countries, we have a proven track record of delivering reliable, high-performance tubing solutions. Whether for power generation plants, petrochemical refineries, or other high-temperature industrial sectors, YUHONG's UNS N08811 alloy seamless tubes offer unparalleled durability and safety, making us the preferred choice for customers seeking superior tubing products.
Chemical Requirements for UNS N08811
| Element | Nickel | Chromium | Iron | Manganese, max | Carbon | Copper | Silicon | Sulfur, max | Aluminum | Titanium |
| Composition Limits, % | 30 min – 35 max | 19 min – 23 max | 36.5 min | 1.5 | – | 0.75 | 1 | 0.015 | 0.15 min – 0.60max | 0.15 min – 0.60max |
Mechanical Properties of UNS N08811 Pipe and Tube
| Alloy | Condition (Temper) | Tensile Strength | Yield Strength (0.2 % offset, min) | Elongation in 2 in. or 50 mm (0.8 in.), min |
| UNS N08811 | hot - finished annealed or cold - worked annealed | 65,000 (450) psi (MPa) | 25,000 (170) psi (MPa) | 30 |
Pipe Schedules
| Normal Pipe Size | Outside Diameter | Schedule No. 5 | Schedule No. 10 | Schedule No. 40 | Schedule No. 80 |
| Inches | |||||
| 1/4 | 0.54 | -- | 0.065 | 0.088 | -- |
| 3/8 | 0.675 | -- | 0.065 | 0.091 | 0.126 |
| 1/2 | 0.84 | 0.065 | 0.083 | 0.109 | 0.147 |
| 3/4 | 1.05 | 0.065 | 0.083 | 0.113 | 0.154 |
| 1 | 1.315 | 0.065 | 0.109 | 0.133 | 0.179 |
| 1 1/4 | 1.66 | 0.065 | 0.109 | 0.14 | 0.191 |
| 1 1/2 | 1.9 | 0.065 | 0.109 | 0.145 | 0.2 |
| 2 | 2.375 | 0.065 | 0.109 | 0.154 | 0.218 |
| 2 1/2 | 2.875 | 0.083 | 0.12 | 0.203 | 0.276 |
| 3 | 3.5 | 0.083 | 0.12 | 0.216 | 0.3 |
| 3 1/2 | 4 | 0.083 | 0.12 | 0.226 | 0.318 |
| 4 | 4.5 | 0.083 | 0.12 | 0.237 | 0.337 |
| 5 | 5.563 | -- | -- | 0.258 | -- |
| 6 | 6.625 | -- | -- | 0.28 | -- |
| Millimetres | |||||
| 6.35 | 13.72 | -- | 1.65 | 2.24 | -- |
| 9.52 | 17.14 | -- | 1.65 | 2.31 | 3.2 |
| 12.7 | 21.34 | 1.65 | 2.11 | 2.77 | 3.73 |
| 19.05 | 26.67 | 1.65 | 2.11 | 2.87 | 3.91 |
| 25.4 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
| 31.8 | 42.16 | 1.65 | 2.77 | 3.56 | 4.85 |
| 38.1 | 48.26 | 1.65 | 2.77 | 3.68 | 5.08 |
| 50.8 | 60.32 | 1.65 | 2.77 | 3.91 | 5.54 |
| 63.5 | 73.02 | 2.11 | 3.05 | 5.16 | 7.04 |
| 76.2 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
| 88.9 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
| 101.6 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
| 127.0 | 141.3 | -- | -- | 6.55 | -- |
| 152.4 | 168.28 | -- | -- | 7.11 | -- |
Advantages of ASME SB407 UNS N08811
1.Outstanding High - Temperature Resistance
Can maintain stable mechanical properties at high temps (e.g., 650–1093℃), resisting deformation/cracking under pressure, ensuring pipeline stability.
2.Strong Corrosion Resistance
Resists oxidative acids (like nitric acid), sulfur - containing media, and stress corrosion.
Reduces leakage risks, suits chemical, petrochemical high - temp corrosive environments.
3.Superior Structural & Quality Assurance
Seamless structure: Uniform wall thickness, no weak welds, ideal for high - pressure/high - purity fluid transport.
Complies with ASME SB407: Strict tests (chemical, mechanical, non - destructive) ensure reliable quality.
4.Good Processability
Easy to form: Can be cold/hot - worked into various shapes (straight/bent tubes) for diverse design needs.
Friendly welding: Welds match base metal performance, cutting installation/maintenance costs.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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