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 | 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 |
| 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 |
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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 | 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 |
| 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 |
| High Light | ASTM B564 nickel alloy coupling ，UNS N08811 socket weld fitting ，nickel alloy coupling for petrochemical plants | ||
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
Applications:
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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