Yuhong Group Co.,Ltd
| Material | F42 |
| Delivery Time | 7 DAYS |
| Packing | Plywood Case/Pallet |
| Payment Terms | L/C,T/T |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500# |
| Packaging Details | Plywood Case/Pallet |
| High Light | B16.5 Forged Carbon Steel Flange, ASTM A694 F42 Carbon Steel WNRTJ Flange |
| Standard | ASTM A694 / ASME SA694 |
| Flange Type | WNRF, WNRTJ |
| OD | 1/2" - 60" |
| WT | Sch 5S - Sch XXS |
| Model Number | ASTM A694 F42 Carbon Steel WNRTJ Flange |
| Brand Name | YUHONG |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Material | F42 | Delivery Time | 7 DAYS |
| Packing | Plywood Case/Pallet | Payment Terms | L/C,T/T |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500# | Packaging Details | Plywood Case/Pallet |
| High Light | B16.5 Forged Carbon Steel Flange, ASTM A694 F42 Carbon Steel WNRTJ Flange | Standard | ASTM A694 / ASME SA694 |
| Flange Type | WNRF, WNRTJ | OD | 1/2" - 60" |
| WT | Sch 5S - Sch XXS | Model Number | ASTM A694 F42 Carbon Steel WNRTJ Flange |
| Brand Name | YUHONG | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | ASTM A694 F42 carbon steel flange ，forged weld neck flange ，WNRTJ flange with warranty | ||
ASEME B16.5 ASTM A694 / ASME SA694 F42 Carbon Steel Flange Weld Neck / WNRTJ Flange
The ASTM A694 F42 WNRTJ Flange is a robust, mission-critical component for high-pressure piping networks. Its combination of a strong welding neck, reliable metal-sealing RTJ face, and grade F42 carbon steel makes it the preferred choice for demanding upstream, midstream, and downstream applications where safety, durability, and leak-tight performance are non-negotiable. Manufactured from ASTM A694 Grade F42 steel with a minimum yield strength of 42 ksi (290 MPa), this flange is engineered specifically for high-pressure, high-temperature transmission service in demanding industries. When bolted, the RTJ groove compresses the metal ring gasket to create a durable, leak-tight metal-to-metal seal, making it a critical component in oil & gas wellheads, pipeline manifolds, and petrochemical reactor connections.
Chemical Composition % of ASTM A694 F42 Carbon Steel Flange WNRTJ Flange
| Grade | C | Mn | P | S | Si | Cu | Ni | Cr | Mo |
|---|---|---|---|---|---|---|---|---|---|
| F42 | 0.18-0.26 | 1.00-1.50 | 0.030 | 0.030 | 0.15 | 0.25 | 0.25 | 0.15-0.30 | 0.05-0.10 |
Mechanical Properties of ASTM A694 F42 Carbon Steel Flange WNRTJ Flange
| Grade | Minimum Yield Strength (ksi / MPa) | Minimum Tensile Strength (ksi / MPa) | Elongation (%) | Hardness (HB) | Impact Test (Charpy V-notch, ft-lb / J) |
|---|---|---|---|---|---|
| F42 | 42 / 290 | 60 / 415 | 20 | 187 | =20 / 27 |
High-Pressure Service Capabilities
Pressure Ratings: Available in Class 600, 900, 1500, and 2500 (ASME B16.5 / ASME B16.47).
Temperature Range: Suitable for cryogenic to elevated temperatures (typically -46°C to +350°C, depending on material heat treatment).
Bolt Connection: Designed to withstand high bolt preloads without gasket blowout, making it ideal for HP/HT (High-Pressure/High-Temperature) wells, pipelines, and manifold systems.
Applications
Oil & Gas Exploration: Wellhead connectors, Christmas trees, choke manifolds.
Pipelines: High-pressure transmission lines, compressor stations, and metering skids.
Chemical/Petrochemical: Reactor nozzles, heat exchanger connections, and high-pressure steam lines.
Hydrogen & Sour Service: With appropriate NACE MR0175/ISO 15156 compliance for H₂S environments.
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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