Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | Depends On Quantity |
| Delivery Time | 7 Days |
| Packaging Details | Wooden Cases |
| Standard | ASTM A182 |
| Grade | F55 (UNS S32760) |
| Type | Blind Flange (BL), Raised Face (RF) |
| Pressure Class | Class 150, 300, 600, 900, 1500 |
| Size Range | 1/2” – 24” (DN15 – DN600) |
| Surface Treatment | Pickled & Passivated (P/P), 2B Finish; Polished Finish Optional |
| Brand Name | YUHONG |
| Model Number | F55 |
| Certification | ISO, API , ABS, DNV, GL , LR, NK |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | Depends On Quantity |
| Delivery Time | 7 Days | Packaging Details | Wooden Cases |
| Standard | ASTM A182 | Grade | F55 (UNS S32760) |
| Type | Blind Flange (BL), Raised Face (RF) | Pressure Class | Class 150, 300, 600, 900, 1500 |
| Size Range | 1/2” – 24” (DN15 – DN600) | Surface Treatment | Pickled & Passivated (P/P), 2B Finish; Polished Finish Optional |
| Brand Name | YUHONG | Model Number | F55 |
| Certification | ISO, API , ABS, DNV, GL , LR, NK | Place of Origin | CHINA |
| High Light | Super Duplex Stainless Steel Flange ，ASTM A182 F55 Blind Flange ，Class 150 to 1500 Raised Face Flange | ||
| Alloy Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A182 F55 (UNS S32760) | ≤0.03 | ≤1.00 | ≤0.80 | ≤0.035 | ≤0.020 | 24.0-26.0 | 6.0-8.0 | 3.0-4.0 | 0.20-0.30 | 0.50-1.00 | Balance |
| Mechanical Property | Standard Requirement (Min.) | Typical Value |
|---|---|---|
| Yield Strength (Rp0.2), MPa | ≥550 | 580-660 |
| Tensile Strength (Rm), MPa | ≥795 | 800-910 |
| Elongation (A), % | ≥25 | 28-36 |
| Hardness (HB), Brinell | ≤310 | 240-295 |
| Impact Toughness (KV), J (-40℃) | ≥60 | 70-105 |
| Ferrite Content, % | 30-70 | 40-60 |
| Max. Working Temperature | 315℃ (Long-term) | 315℃ |
| Test Type | Standard |
|---|---|
| Chemical Composition Analysis (PMI) | Spectrometer (XRF/OES), ASTM E1019 |
| Tensile & Impact Test | ASTM E8/E8M, ASTM A370, Charpy V-Notch |
| Hardness Test | ASTM E10 (Brinell), ASTM E18 (Rockwell) |
| Ferrite Number Test | ASTM E1928, Ferrite Scope Test |
| Hydrostatic/Pneumatic Pressure Test | ASTM A182, ASME B16.5 |
| Non-Destructive Testing (NDT) | UT, RT, MT, PT (ASTM E165), Eddy Current Test |
| Corrosion Resistance Test | ASTM G48 (Pitting/Crevice Corrosion), Salt Spray Test (ASTM B117) |
| Dimensional & Visual Inspection | ASME B16.5, CMM, Gauge Inspection |
| Microstructure Inspection | ASTM E45, Metallographic Microscope Test |
| Material Test Certificate (MTC) | EN 10204 3.1/3.2 |
| Industry Field | Typical Applications |
|---|---|
| Offshore & Marine Engineering | Offshore platforms, marine pipelines, seawater cooling systems, offshore oil & gas production equipment, marine ballast tanks |
| Oil & Gas Industry | Oil & gas transmission pipelines, wellhead manifolds, downhole equipment, refinery corrosive process lines, gas storage tanks |
| Chemical & Petrochemical | Chemical reagent conveying pipelines, acid-base processing systems, petrochemical reactors, corrosive fluid storage tank connections, pharmaceutical chemical equipment |
| Seawater Desalination | Seawater desalination plant pipelines, reverse osmosis systems, brine treatment pipelines, desalination equipment sealing ends |
| Desulfurization Systems | Power plant flue gas desulfurization (FGD) pipelines, desulfurization towers, absorber connections, flue gas treatment systems |
| Other Harsh Environments | Pulp and paper industry, mining, high-chloride wastewater treatment, chemical processing equipment, nuclear power auxiliary systems |
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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