Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Copper Alloy Seamless Tubes |
| Standard | ASTM B111 / ASME SB111 |
| Material | C44300 , C68700, C71500, C70600, C71640, C12200, etc. |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| WT | 10 - 25 BWG |
| Length | Single Random, Double Random & Cut Length |
| Type | Seamless |
| End | Plain Ends / Beveled Ends |
| Temper | O61 Annealed / HR50 Drawn & Stress Relieved |
| Application | Heat Exchangers, Refineries, Power Plants, Desalination Plants, Ship Building & Ship Repairs, Condensers, Ferrules, Distillers |
| Brand Name | YUHONG |
| Model Number | ASTM B111 C71640 Copper Alloy Seamless Tube |
| Certification | ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS. |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Product Name | Copper Alloy Seamless Tubes |
| Standard | ASTM B111 / ASME SB111 | Material | C44300 , C68700, C71500, C70600, C71640, C12200, etc. |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. | WT | 10 - 25 BWG |
| Length | Single Random, Double Random & Cut Length | Type | Seamless |
| End | Plain Ends / Beveled Ends | Temper | O61 Annealed / HR50 Drawn & Stress Relieved |
| Application | Heat Exchangers, Refineries, Power Plants, Desalination Plants, Ship Building & Ship Repairs, Condensers, Ferrules, Distillers | Brand Name | YUHONG |
| Model Number | ASTM B111 C71640 Copper Alloy Seamless Tube | Certification | ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS. |
| Place of Origin | CHINA | ||
| High Light | Annealed Copper Nickel Alloy Pipe ，CuNi30Mn1Fe Copper Nickel Alloy Tube ，O61 Copper Alloy Tube | ||
ASTM B111 Annealed O61 C71640 / CW353H Copper Nickel Alloy Seamless Tube for Heat Exchanger
YUHONG GROUP supply copper alloy tubes containing grade C44300, C68700, C71500, C70600, C12200, etc. Tubes in a variety of sizes widely used for marine applications, condenser, heater, equipment, etc.
66-30-2-2 Cu-Ni (C71640, CW353H) Tube is a modified version of 70-30 alloy tube and contains 2% iron and 2% Mn and can withstand higher flow rates than 90-10 and 70-30. The other important note is that it has slightly less resistance to localized corrosion. These C71640 products are mainly used as condenser tubing. Commercially, UNS C71640 condenser tubes are mainly in demand by Industrial Plants. It was originally developed for higher resistance to erosion corrosion in the presence of suspended solids and has been extremely successful in multi-stage flash desalination plants, particularly in the heat rejection and brine heater sections.
Advantage of CuNi Tubes:
Material Grades
| Material Designation | Corresponding Material Symbol | ||||
| ASTM B111 | BS2871 | JIS H3300 | DIN1785 | GB/T 8890 | |
| Copper Nickel | C70600 | CN102 | C7060 | CuNi10Fe1Mn | BFe10-1-1 |
| C71500 | CN107 | C7150 | CuNi30Mn1Fe | BFe30-1-1 | |
| C71640 | CN108 | C7164 | CuNi30Fe2Mn2 | BFe30-2-2 | |
| C70400 | — | — | — | BFe5-1.5-0.5 | |
| — | — | — | — | B7 | |
| Aluminium Brass | C68700 | CZ110 | C6870 | CuZn20AL2 | HAL77-2 |
| Admiralty Brass | C44300 | CZ111 | C4430 | CuZn28Sn1 | HSn70-1 |
| Boric Brass | — | — | — | — | Hsn70-1B |
| — | — | — | — | Hsn70-1 AB | |
| Arsenical Brass | — | CZ126 | — | — | H68A |
| Brass Tube | C28000/C27200 | CZ108 | C2800/C2700 | CuZn36/CuZn37 | H65/H63 |
Standard: ASTM B111, B466
Chemical Composition & Mechanical Properties
| Steel Grade | Cu | Sn | Al | As | Ni | Fe | Mn | Pb | Zn |
| C70400 | Remain | - | - | - | 4.8-6.2 | 1.3-1.7 | 0.3-0.8 | 0.05 max | 1.0 max |
| C70600 | Remain | - | - | - | 9.0-11.0 | 1.0-1.8 | 1.0 max | 0.05 max | 1.0 max |
| C71500 | Remain | - | - | - | 29.0-33.0 | 0.4-1.0 | 1.0 max | 0.05 max | 1.0 max |
| C71640 | Remain | - | - | - | 29.0-32.0 | 1.7-2.3 | 1.5-2.5 | 0.05 max | 1.0 max |
Applications
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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