Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case with plastic Cap |
| Product name | Copper Nickel Tube |
| Material | UNS C71500 (70-30 Copper-Nickel) |
| Manufacture | Seamless, Cold-Drawn |
| Outside Diameter (OD) | 5 mm – 80 mm (3/16" – 3 1/8") |
| Wall Thickness (WT) | 0.5 mm – 12.7 mm |
| Length | SRL/DRL:3, 6, 9, 12M or customized |
| Density | 8.94 g/cm³ |
| Main Applications | Seawater cooling systems, Heat Exchangers, Condenser... |
| Brand Name | YUHONG |
| Model Number | ASTM B111/ASME SB111 C71500 |
| 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 | T/T, L/C AT SIGHT | Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case with plastic Cap |
| Product name | Copper Nickel Tube | Material | UNS C71500 (70-30 Copper-Nickel) |
| Manufacture | Seamless, Cold-Drawn | Outside Diameter (OD) | 5 mm – 80 mm (3/16" – 3 1/8") |
| Wall Thickness (WT) | 0.5 mm – 12.7 mm | Length | SRL/DRL:3, 6, 9, 12M or customized |
| Density | 8.94 g/cm³ | Main Applications | Seawater cooling systems, Heat Exchangers, Condenser... |
| Brand Name | YUHONG | Model Number | ASTM B111/ASME SB111 C71500 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | SMLS Heat Exchanger Pipe ，DIN 2.4819 Heat Exchanger Pipe ，N10276 Heat Exchanger Tube | ||
B111 / SB111 C71500 Copper Nickel Tube O61 Annealed, Cold Drawn Seamless Tubing For Evaporator
Overview
ASTM B111/SB111 C71500 (70/30 copper-nickel) seamless tube, cold drawn and O61 annealed, is a high-performance alloy tubing designed for evaporators and critical heat transfer equipment. Featuring balanced copper, nickel, and iron composition, it delivers exceptional seawater corrosion resistance, erosion resistance, and thermal stability.
O61 annealing ensures optimal ductility, formability, and stress relief, making it suitable for expansion, bending, and assembly. Widely used in marine, offshore, desalination, and power plant evaporators, it offers reliable performance under high-pressure and corrosive conditions.
Cold drawn seamless manufacturing ensures precise dimensions, uniform wall thickness, and superior structural integrity. This tube combines excellent heat transfer efficiency and long service life, ideal for demanding evaporator applications.
Features of ASTM B111 C71500 Seamless Tube
Chemical Composition of C71500
| Cu | Pb | Zn | Fe | Ni | Mn | |
| Min (%) | - | 29.00 | ||||
| Max (%) | Remainder | 0.05 | 1.00 | 1.00 | 33.00 | 1.00 |
Mechanical Properties of C71500
| Form | Temper |
Temper Code |
Tensile Strength (ksi) | YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell B scale |
Rockwell F scale |
Section Size (in) |
Cold Work (%) |
|
Flat Products |
As Hot Rolled | M20 | 55 Typ | 20 Typ | 45 Typ | 35 Typ | - | 1 | |
| Rod | 1/2 Hard | H02 | 75 Typ | 70 Typ | 15 Typ | 80 Typ | - | 1 | 20 |
| Tube |
Nominal Grain Size 0.025 mm |
OS025 | 60 Typ | 25 Typ | 45 Typ | 45 Typ | 80 Typ | - | - |
|
Nominal Grain Size 0.035 mm |
OS035 | 54 Typ | - | 45 Typ | 36 Typ | 77 Typ | - | - |
Applications of C71500 Copper Nickel Tube
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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