YUHONG HOLDING GROUP CO., LTD
| Flange type | WN, SO, BL, SW, THREAD |
| Size Range | Customizable |
| Flange Standard | ANSI B16.5 |
| Flange Face | FF, RF, RTJ |
| Pressure | Class 150# to 2500# |
| Material | F310 |
| Payment Terms | T/T |
| Supply Ability | 300 TONS / MONTH |
| Delivery Time | 1 - 4 MONTH |
| Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Brand Name | YUHONG |
| Model Number | ASTM A182 F310 WNRTJ FLANEG |
| Certification | ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| Flange type | WN, SO, BL, SW, THREAD | Size Range | Customizable |
| Flange Standard | ANSI B16.5 | Flange Face | FF, RF, RTJ |
| Pressure | Class 150# to 2500# | Material | F310 |
| Payment Terms | T/T | Supply Ability | 300 TONS / MONTH |
| Delivery Time | 1 - 4 MONTH | Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Brand Name | YUHONG | Model Number | ASTM A182 F310 WNRTJ FLANEG |
| Certification | ISO 9001-2015 | Place of Origin | CHINA |
| High Light | F310 Weld Neck RTJ Flange ，ASTM A182 Weld Neck RTJ Flange ，Gas Extraction Equipment RTJ Flange | ||
ASTM A182 F310 Weld Neck RTJ Flange is a high-pressure sealing flange forged from high-chromium-nickel austenitic stainless steel UNS S31000. It complies with ASTM A182 high-temperature forgings standard and ASME B16.5 dimensional specification.
Its annular groove seal (RTJ) design is specially designed for extreme working conditions. It can withstand temperatures up to 1150°C and has resistance to high-temperature oxidation, sulfur corrosion and creep. It is widely used in oil and gas wellhead equipment, refinery cracking equipment, high-temperature furnace pipe systems and high-pressure chemical pipelines.
It meets stringent standards such as API 6A and NACE MR0175, and is suitable for Class 150 to Class 2500 pressure levels, ensuring reliable sealing and long-term safe operation under high-pressure environments.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | - | X15CrNi25-20 |
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| SS 310 | 0.015 max | 2.0 max | 0.020 max | 0.015 max | 0.15 max | 19.00 - 21.00 | 24.00 - 26.00 | 0.10 max | 54.7 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Its annular groove seal (RTJ) structure and UNS S31000 material work together to ensure reliable sealing of Class 150~2500 pressure levels, meet ASME B16.5, NACE MR0175 and other standards, and are suitable for harsh working conditions that require long-term creep resistance and thermal fatigue resistance.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
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