Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7DAYS |
| Packaging Details | PLYWOOD CASE,PALLET |
| TYPE | SORF,SOFF,WNRF,WNFF,BLIND |
| Material | B283 C70620 |
| Package | PLYWOOD CASE,PALLET |
| CLASS | 150#,300#,600#,900#... |
| STANDARD | B16.5,B16.47A,B16.47B,EN1092-1,ISO7005 |
| SIZE | 1/2"-60" |
| Brand Name | YUHONG |
| Model Number | B283 C70620 |
| Certification | API,PED,ABS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7DAYS |
| Packaging Details | PLYWOOD CASE,PALLET | TYPE | SORF,SOFF,WNRF,WNFF,BLIND |
| Material | B283 C70620 | Package | PLYWOOD CASE,PALLET |
| CLASS | 150#,300#,600#,900#... | STANDARD | B16.5,B16.47A,B16.47B,EN1092-1,ISO7005 |
| SIZE | 1/2"-60" | Brand Name | YUHONG |
| Model Number | B283 C70620 | Certification | API,PED,ABS |
| Place of Origin | CHINA | ||
| High Light | Copper Nickel Alloy WNRF Flange ，B16.5 CL150 Flange ，ASTM B283 C70620 Flange | ||
Copper Nickel Alloy Flange ASTM B283 C70620 WNRF BLRF B16.5 CL150
ASTM B283 specifies requirements for forged copper and copper alloy components, including flanges, fittings, and other pressure-retaining parts.
The UNS C70620 alloy is a variant of the standard 90-10 Copper-Nickel (Cu-Ni) alloy (UNS C70600). While C70600 has a well-defined composition, C70620 may include slight modifications (possibly with adjusted iron or manganese content for improved performance).
Typical Chemical Composition of UNS C70620 (Estimated)
Since C70620 is not as widely documented as C70600, its composition is likely similar but may have minor adjustments. Below is a comparison:
| Element | UNS C70600 (Standard 90-10 CuNi) | UNS C70620 (Estimated, based on variants) |
| Copper (Cu) | 86.5 - 90.0% | 86 - 90% |
| Nickel (Ni) | 9.0 - 11.0% | 9 - 11% |
| Iron (Fe) | 1.0 - 1.8% | Possibly higher (1.5 - 2.5%) |
| Manganese (Mn) | 0.5 - 1.0% | Possibly adjusted (0.5 - 1.5%) |
| Zinc (Zn) | ≤ 1.0% | ≤ 1.0% |
| Lead (Pb) | ≤ 0.05% | ≤ 0.05% |
| Other impurities | ≤ 0.5% | ≤ 0.5% |
Key Differences (Possible in C70620 vs. C70600)
- Higher Iron (Fe): May enhance erosion-corrosion resistance in seawater.
- Adjusted Manganese (Mn): Can improve mechanical strength and weldability.
- Tighter control on impurities for specific industrial uses.
| Weld Neck Flanges (WN Flanges) are designed for use in high-pressure systems and are commonly used with ASTM B151 C70600 (Copper-Nickel C70600) in marine and industrial applications due to the alloy’s excellent corrosion resistance. |
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Product Range:
WNRF Flanges Size : 1/8" NB TO 48"NB.
WNRF Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
WNRF Flanges Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
Test Certificate
Manufacturer Test Certificate as per EN 10204 / 3.1B
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 HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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