Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 20-80 |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Material | F11 CL2 |
| Product name | Stainless steel heat flange |
| Pressure | 150lb,300lb,600lb,900lb,1500lb |
| Standard | ANSI B16.5 ASME B16.47 SERIES A(MSS SP44) |
| Type | Threaded flange,Slip on Flange,socket weld flange,weld neck flange,LAP Joint Flange |
| Process | Forged,Drilling/Bending/Stamping,Casting,sand casting&CNC machining,Forging+machining+heating Treatment |
| Surface treatment | Heat treatment,Galvanized,Black oxidation,customize,pickeling |
| Inspection | Mechinical Property Inspection,Factory or third party assigned,100% inspection |
| Brand Name | YUHONG |
| Model Number | ASTM A182 F11 CL2 |
| Certification | API , ABS, DNV, GL , LR, NK. |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 20-80 |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Material | F11 CL2 |
| Product name | Stainless steel heat flange | Pressure | 150lb,300lb,600lb,900lb,1500lb |
| Standard | ANSI B16.5 ASME B16.47 SERIES A(MSS SP44) | Type | Threaded flange,Slip on Flange,socket weld flange,weld neck flange,LAP Joint Flange |
| Process | Forged,Drilling/Bending/Stamping,Casting,sand casting&CNC machining,Forging+machining+heating Treatment | Surface treatment | Heat treatment,Galvanized,Black oxidation,customize,pickeling |
| Inspection | Mechinical Property Inspection,Factory or third party assigned,100% inspection | Brand Name | YUHONG |
| Model Number | ASTM A182 F11 CL2 | Certification | API , ABS, DNV, GL , LR, NK. |
| Place of Origin | CHINA | ||
| High Light | ASTM A182 F11 weld neck flange ，steel flange for power generation ，Cl2 weld neck flange with warranty | ||
ASTM A182 F11 Cl2 Weld Neck Flange Essential Component for Safe and Operation in Power Generation
The ASTM A182 F11 Cl.2 welding neck flange is a forged pipe connection designed for demanding high-temperature, high-pressure conditions.
It is manufactured from chromium-molybdenum alloy steel (Grade F11) and subjected to a normalizing and tempering (Class 2) heat treatment, resulting in excellent high-temperature strength, creep resistance, and corrosion resistance.
Its signature long tapered neck design ensures seamless butt welding with the pipe, significantly reducing stress concentration.
As a result, it is widely used in core piping systems in thermal power generation, petrochemicals, and refining, serving as a critical component for safe and reliable operation.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| ASTM A182 F11 | 0.05 - 0.15 | 0.3 - 0.6 | 0.5 - 1 | 0.03 | 0.03 | 1 - 1.5 | 0.044 - 0.65 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| ASTM A182 F11 Flange | 205 | 415 | 20 |
ASTM A182 F11 Cl2 Flange Application
Power Generation: In fossil fuel and thermal power plants, it is crucial for connecting steam lines, boiler feedwater systems, and high-energy fluid circuits, withstanding high temperatures and pressures.
Petroleum Refining: Used in refining processes such as crude oil distillation, catalytic cracking, and hydrotreating, it resists corrosion from hydrocarbons and hydrogen.
Petrochemical Plants: Facilities used to produce ethylene, ammonia, and methanol handle corrosive chemicals and high temperatures.
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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