Yuhong Group Co.,Ltd
| Payment Terms | ,L/C,T/T |
| Supply Ability | According to Clients' requirements |
| Delivery Time | Depend on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Forged Ring |
| Specification | ASME SB171/ASTM B171 |
| Material | C70600 CuNi 90/10 |
| Size | Customize |
| NDT | 100% PT, UT, PMI |
| Application | Marine & Offshore, Heat exchanger, Piping & Flanges... |
| Brand Name | YUHONG |
| Model Number | ASME SB171 C70600 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | ,L/C,T/T | Supply Ability | According to Clients' requirements |
| Delivery Time | Depend on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Forged Ring | Specification | ASME SB171/ASTM B171 |
| Material | C70600 CuNi 90/10 | Size | Customize |
| NDT | 100% PT, UT, PMI | Application | Marine & Offshore, Heat exchanger, Piping & Flanges... |
| Brand Name | YUHONG | Model Number | ASME SB171 C70600 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | ASME SB171 C70600 CuNi 90/10 forged ring ，CuNi 90/10 marine system ring ，seawater resistant forged flange ring | ||
ASME SB171 C70600 CuNi 90/10 Forged Ring for Seawater and Marine Systems
This product is a 90/10 copper-nickel alloy forged ring manufactured in accordance with ASME SB171, with material designation C70600. Composed of 90% copper and 10% nickel, supplemented with minor additions of iron and manganese, it offers excellent resistance to seawater corrosion, biofouling, and exhibits good workability. Produced through a forging process, the ring features a dense microstructure and stable mechanical properties. It is widely used in shipbuilding, marine engineering, seawater desalination systems, petrochemical facilities, and other applications requiring high corrosion resistance, serving as flanges, tube sheets, valve bodies, and structural connection components.
1.Chemical & Mechanical Properties
| ASME SB171 UNS N08810 Chemical Composition (%) | |||||
|
Cu |
Ni incl Cobalt |
Mn |
Pb |
Fe |
Zn |
|
Rem |
9.0~11.0 | ≤1.0 | ≤0.05 | 1.0~1.8 | ≤1.0 |
Mechanical Properties
| Thickness, in. [mm] | Tensile Strength, min, ksi [MPa] | Yield Strength,8 min, ksi [MPa] | Yield Strength 0.2 % Offset, min, ksi [MPa] |
Elongation in 2 in. [50.0 mm], min, % |
| 2.5 [60.0] and under | 40 [275] | 15 [105] | 15 [105] | 30 [30] |
| over 2.5 to 5 [60.0 to 140.0], incl | 40 [275] | 15 [105] | 15 [105] | 30 [30] |
Physical Properties
| Property | US customary | Metric |
| Coefficient of Thermal Expansion | 9.5 × 10⁻⁶ /°F (68-572 ℉) | 17.1 × 10⁻⁶ /°C (20 - 300 °C) |
| Density | 0.323 lb/in3 at 68℉ | 8.94 gm/cm3 at 20℃ |
| Electrical Conductivity | 9 %IACS at 68℉ | 0.053 MegaSiemens/cm at 20℃ |
| Electrical Resistivity | 115.0 ohms-cmil/ft at 68℉ | 19.0-19.12 microhm-cm at 20℃ |
| Melting Point - Liquidus | 2100℉ | 1149 ℃ |
| Melting Point - Solidus | 2010℉ | 1099 ℃ |
| Modulas of Elasticity in Tension | 18000 ksi | 124000 MPa |
| Modulus of Rigidity | 6800 ksi | 46880 MPa |
| Specific Gravity | 8.94 | 8.94 |
| Specific Heat Capacity | 0.09 Btu/(lb·°F) at 68 ℉ | 377 - 380 J/(kg·K) at 20-300℃ |
| Thermal Conductivity | 26.0 Btu/(hr·ft²·°F) at 68 ℉ | 45 W/(m·K) at 20℃ |
2. Key Adventages
3. Key Applications:
C70600 copper-nickel alloy is suitable for use at elevated temperatures and is primarily utilized in the marine industry for the manufacture of condensers, feedwater heaters, and distillation units, as well as in the chemical industry for heat exchangers.
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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