Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | As Per Buyer's Require |
| Delivery Time | 35-50 Days |
| Packaging Details | Wooden Cases |
| Standard | ASTM B564, ASME B16.5 |
| Grade | N04400 (Monel 400), Nickel-Copper Alloy (Ni-Cu Alloy) |
| Product Type | WN, SO, BL, PL Flange (Weld Neck, Slip-On, Blind, Plate) |
| Pressure Class | Class 150, 300, 600, 900, 1500 |
| Size Range | 1/2” – 24” (DN15 – DN600), Customizable |
| Surface Treatment | Pickled & Passivated (P/P), Polished, Bright Annealed Finish |
| Brand Name | YUHONG |
| Model Number | ASTM B564 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-200 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | As Per Buyer's Require |
| Delivery Time | 35-50 Days | Packaging Details | Wooden Cases |
| Standard | ASTM B564, ASME B16.5 | Grade | N04400 (Monel 400), Nickel-Copper Alloy (Ni-Cu Alloy) |
| Product Type | WN, SO, BL, PL Flange (Weld Neck, Slip-On, Blind, Plate) | Pressure Class | Class 150, 300, 600, 900, 1500 |
| Size Range | 1/2” – 24” (DN15 – DN600), Customizable | Surface Treatment | Pickled & Passivated (P/P), Polished, Bright Annealed Finish |
| Brand Name | YUHONG | Model Number | ASTM B564 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-200 | Place of Origin | CHINA |
| High Light | Monel 400 nickel-copper alloy flange ，ASTM B564 corrosion resistant flange ，forged Monel 400 steel flange | ||
ASTM B564 N04400 Flange is a high-performance nickel-copper alloy forged flange, strictly manufactured in accordance with ASTM B564 (material standard) and ASME B16.5 (dimensional standard). N04400 (commonly known as Monel 400) is a premium nickel-copper alloy (approximately 65% nickel and 30% copper), renowned for its excellent corrosion resistance to seawater, brine, alkaline solutions, and various organic compounds, as well as good mechanical strength, ductility, and weldability. It is a versatile flange widely used in marine, chemical, and offshore industries, specially designed for medium to high-pressure piping systems that require reliable corrosion resistance and structural stability, serving as a key connection and sealing component in harsh service environments.
| Alloy Grade | Ni | Cu | Fe | Mn | C | Si | S | Al | Ti |
|---|---|---|---|---|---|---|---|---|---|
| ASTM B564 N04400 (Monel 400) | 63.0-67.0 | 28.0-34.0 | ≤2.5 | ≤1.0 | ≤0.30 | ≤0.50 | ≤0.024 | ≤0.20 | ≤0.15 |
| Mechanical Property | Standard Requirement (Min.) | Typical Value (Solution Annealed) |
|---|---|---|
| Yield Strength (Rp0.2), MPa | ≥240 | 250-350 |
| Tensile Strength (Rm), MPa | ≥550 | 580-700 |
| Elongation (A), % | ≥35 | 40-50 |
| Hardness (HB), Brinell | ≤180 | 150-170 |
| Impact Toughness (KV), J (20℃) | ≥120 | 130-200 |
| Max. Working Temperature | 427℃ (Long-term) | 427℃ |
| 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), Vickers |
| Solution Annealing Inspection | ASTM B564, Metallographic Microstructure Test |
| Corrosion Resistance Test | ASTM G48 (Pitting/Crevice), ASTM B117 (Salt Spray), ASTM A262 |
| Non-Destructive Testing (NDT) | UT (Ultrasonic), MT (Magnetic Particle), PT (Liquid Penetrant) |
| Hydrostatic/Pneumatic Pressure Test | ASTM B564, ASME B16.5 |
| Dimensional & Visual Inspection | ASTM B564, ASME B16.5, CMM, Gauge Inspection |
| Material Test Certificate (MTC) | EN 10204 3.1/3.2, ASTM B564 |
| Industry Field | Typical Applications |
|---|---|
| Marine Engineering | Ship pipelines, seawater cooling systems, marine engine connections, offshore platform piping flanges |
| Petrochemical & Offshore Oil | Offshore oil and gas pipelines, brine treatment equipment, oil refining corrosion-resistant flanges |
| Chemical Processing | Alkaline solution pipelines, organic chemical reaction vessels, acid-neutralizing equipment flanges |
| Seawater Desalination | Desalination plant pipelines, brine discharge systems, seawater pretreatment equipment flanges |
| Power Generation | Coastal power plant seawater cooling pipelines, condenser connections, corrosion-resistant flanges |
| Other Corrosion-Prone Fields | Wastewater treatment equipment, salt production industry pipelines, chemical storage tank connections |
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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