Specifications
Brand Name :
YUHONG
Model Number :
​​ASTM B564 UNS N08811
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
500KGS
Price :
Negotiable
Payment Terms :
L/C, T/T
Supply Ability :
1500 tons per month
Delivery Time :
15-30days
Packaging Details :
Plywooden Case /Iron Case
​​Standard​ :
ASTM B564/ASME SB564
Material Grade​ :
UNS N08811 (Alloy 800H)
Product Type​ :
Full Coupling Socket Weld
Application​ :
Petrochemical & Power Plant Piping
End Connection​ :
Socket Weld (SW)
Surface Finish​ :
Solution Annealed & Pickled
Description

​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld for Petrochemical & Power Plants​

​​YUHONG GROUP​​ is a specialized manufacturer of ​​high-performance nickel alloy pipe fittings​​ with over 35 years of expertise in serving the global energy and chemical industries. Our ​​ASTM B564 UNS N08811 Full Coupling Socket Weld​​ components are engineered for critical applications in petrochemical plants and power generation facilities, delivering exceptional performance in extreme temperature and corrosive environments.


​​Chemical Composition of UNS N08811 (Alloy 800H)​​

​Element​ ​Composition (%)​ ​Notes​
​Nickel (Ni)​ 38.0 - 46.0 Principal element
​Chromium (Cr)​ 19.0 - 23.0 Oxidation resistance
​Iron (Fe)​ Balance Base metal
​Carbon (C)​ 0.05 - 0.10 Controlled for high-temperature strength
​Manganese (Mn)​ 1.50 max
​Sulfur (S)​ 0.015 max
​Silicon (Si)​ 1.00 max
​Copper (Cu)​ 0.75 max
​Aluminum (Al)​ 0.15 - 0.60 Strength enhancement
​Titanium (Ti)​ 0.15 - 0.60 Stabilization

Mechanical Properties of UNS N08811 (Alloy 800H)​

​Property​ ​Requirement​ ​Notes​
​Material​ UNS N08811 High-carbon version of Alloy 800
​Condition​ Annealed
​Maximum Section Thickness​ No limit Applicable to all thicknesses
​Tensile Strength, min​ 65 ksi (448 MPa)
​Yield Strength (0.2% Offset), min​ 25 ksi (172 MPa)
​Elongation in 2 in. or 50 mm, min​ 30%

​​Heat Treatment Requirements for UNS N08811 (Alloy 800H)

Parameter Requirement Purpose & Notes
​Process​ Solution Anneal Dissolves carbides for a uniform microstructure
​Temperature​ 2000°F (1093°C) minimum Ensures complete carbide dissolution
​Optional Process​ Stabilization Anneal Enhances resistance to sensitization
​Stabilization Temperature​ 1800°F (982°C) minimum Stabilizes carbide precipitation
​Cooling Method​ Not specified (Typically rapid cooling) Maintains a solid solution state

​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld - Application Advantages​​

  • ​​1. Superior High-Temperature Performance​​
  • ​​2. Exceptional Corrosion Resistance in Harsh Environments​​
  • ​​3. Reliable Socket Weld Connection​​
  • ​​4. Long Service Life and Cost Efficiency​​
  • ​​5. Material Versatility and Compliance​​
  • ​​6. Optimal for Thermal Cycling Applications​​

​​Applications:​​

  • Petrochemical processing plants
  • Power generation systems
  • Heat exchanger connections
  • High-temperature furnace piping
  • Chemical reactor systems

​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld for Petrochemical & Power Plants​

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​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld for Petrochemical & Power Plants​

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Brand Name :
YUHONG
Model Number :
​​ASTM B564 UNS N08811
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
500KGS
Price :
Negotiable
Contact Supplier
​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld for Petrochemical & Power Plants​
​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld for Petrochemical & Power Plants​
​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld for Petrochemical & Power Plants​
​​ASTM B564 UNS N08811 Nickel Alloy Full Coupling Socket Weld for Petrochemical & Power Plants​

Yuhong Group Co.,Ltd

Verified Supplier
14 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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