YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | According to Client's Requirement |
| Delivery Time | 15-30 Days |
| Packaging Details | Ply wooden Case/ Iron Structural Case/ Wooden Pallet |
| Standard | DIN,ANSI,ASME,ISO,JIS |
| Material | Stainless Steel |
| Size | Custom Size,DN10-DN3600 |
| Application | Industrial |
| Type | weld neck flange |
| Pressure | Class150/300/600/9001500/2500 |
| Packing | Wooden Case,wooden pallet or as per customers requirements. |
| Usage | connect,Offshore, Heat Exchanger |
| Brand Name | YUHONG |
| Model Number | ASTM A182 F310/ASME SA182 F310 |
| Certification | ASME U stamped/ ISO 9001/ PED/ NB |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | According to Client's Requirement |
| Delivery Time | 15-30 Days | Packaging Details | Ply wooden Case/ Iron Structural Case/ Wooden Pallet |
| Standard | DIN,ANSI,ASME,ISO,JIS | Material | Stainless Steel |
| Size | Custom Size,DN10-DN3600 | Application | Industrial |
| Type | weld neck flange | Pressure | Class150/300/600/9001500/2500 |
| Packing | Wooden Case,wooden pallet or as per customers requirements. | Usage | connect,Offshore, Heat Exchanger |
| Brand Name | YUHONG | Model Number | ASTM A182 F310/ASME SA182 F310 |
| Certification | ASME U stamped/ ISO 9001/ PED/ NB | Place of Origin | China |
| High Light | Stationary Stainless Steel Flange ，Custom Made Pressure Vessel Flange ，Custom Made Stainless Steel Flange | ||
YUHONG Group is a leading global manufacturer of high-quality industrial flanges, fittings, and pressure vessel components. With 20+ years of expertise, we specialize in stainless steel, alloy steel, and nickel-alloy products that meet ASME, ASTM, EN, and API standards.
Certifications & Compliance:
✔ ASME Section VIII Div. 1 & Div. 2
✔ ISO 9001:2015, PED 2014/68/EU
✔ NACE MR0175 (for sour service applications)
✔ Custom fabrication per customer drawings
YUHONG’s Stainless Steel Stationary Flange (ASTM/ASME A/SA182 F310, B16.5 & Custom Made) is designed for high-temperature, high-pressure, and corrosive environments in:
Pressure vessels
Heat exchangers & reactors
Petrochemical & power plants
Offshore oil & gas platforms
These flanges are precision-machined, fully tested, and compliant with international standards, ensuring long-term durability and leak-proof performance.
✔ Premium Material: SA182 F310 (25Cr-20Ni) stainless steel – excellent oxidation & corrosion resistance at high temps (up to 1150°C / 2100°F).
✔ Multiple Standards: Compliant with ASME B16.5, B16.47, or custom designs.
✔ Heat Treatment: Solution-annealed for maximum strength & ductility.
✔ Strict QC: 100% PT (Liquid Penetrant) & RT (Radiographic Testing) inspected.
✔ Customization: Available in RF (Raised Face), FF (Flat Face), RTJ (Ring-Type Joint).
✔ Corrosion Resistance: Ideal for acidic, alkaline, and high-sulfur environments.
| Property | Value | Test Standard |
|---|---|---|
| Material Grade | ASTM/ASME A/SA182 F310 (25Cr-20Ni) | ASME BPVC Sec. II |
| Tensile Strength | ≥ 515 MPa (75 ksi) | ASTM A370 |
| Yield Strength | ≥ 205 MPa (30 ksi) | ASTM A370 |
| Elongation | ≥ 30% | ASTM A370 |
| Hardness | ≤ 90 HRB | ASTM E18 |
| Max Operating Temp | 1150°C (2100°F) | ASME B16.34 |
| Parameter | Specification |
|---|---|
| Size Range | 1/2" to 48" (DN15 to DN1200) |
| Pressure Class | Class 150 to Class 2500 (ASME B16.5/B16.47) |
| Face Types | RF, FF, RTJ (or custom) |
| Surface Finish | 3.2 μm Ra (125 µin) or better |
| Test Method | Standard | Acceptance Criteria |
|---|---|---|
| PT (Liquid Penetrant) | ASTM E165 | No cracks or linear defects > 1.5mm |
| RT (Radiographic) | ASTM E94 | No porosity or inclusions per ASME Sec. VIII |
✅ Pressure Vessels & Reactors
✅ High-Temperature Heat Exchangers
✅ Refinery & Petrochemical Piping
✅ Power Generation (Thermal & Nuclear)
✅ Sour Gas & Offshore Applications
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ... Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ...
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