Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | According to client requirements |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-Wooden Case/Pallet |
| Product Name | Copper Nickel Alloy Tubesheet |
| Specification | ASTM B171 C71500 |
| Material | C71500 |
| Size | Customized |
| NDT | 100% PT, UT, PMI |
| Application | Tubular Heat Exchanger, Boiler, Pressure Vessel, Steam Turbine, Large Central Air Conditioning, Etc. |
| Brand Name | YUHONG |
| Model Number | ASTM B171 C71500 |
| Certification | ASME II, ASME III, ABS, LR, DNV, GL , BV, CCS, KR, NK, TUV, PED, GOST, ISO , TS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | According to client requirements |
| Delivery Time | Depends on quantity | Packaging Details | Ply-Wooden Case/Pallet |
| Product Name | Copper Nickel Alloy Tubesheet | Specification | ASTM B171 C71500 |
| Material | C71500 | Size | Customized |
| NDT | 100% PT, UT, PMI | Application | Tubular Heat Exchanger, Boiler, Pressure Vessel, Steam Turbine, Large Central Air Conditioning, Etc. |
| Brand Name | YUHONG | Model Number | ASTM B171 C71500 |
| Certification | ASME II, ASME III, ABS, LR, DNV, GL , BV, CCS, KR, NK, TUV, PED, GOST, ISO , TS | Place of Origin | China |
| High Light | Shell-and-Tube Heat Exchangers Tube Sheet ，ASTM B177 Tube Sheet ，C70600 Tube Sheet | ||
ASTM B171 C71500 Copper Nickel 70/30 Tube Sheet used in Heat Exchangers
What is tubesheet ?
A tube sheet is a plate which is used to support the tubes in a shell-and-tube heat exchanger. The tubes are aligned in a parallel way, and supported and held in place by tube sheets. The tube sheet is a circular plate which is perforated so that the tubes can fit through the openings.
Description
ASTM B171 is a standard specification that covers the resistance butt welding or pressure welding (flash welding) of copper and copper alloy tube sheets. However, there seems to be a mix-up with the alloy designation C71500 in your query.
C71500 refers to a specific type of copper-nickel alloy, commonly known as 90/10 Copper-Nickel (CuNi90/10). This alloy is often used in marine environments due to its excellent corrosion resistance, particularly against biofouling and seawater.
Chemical Composition
| Cu | Fe | Pb | Mn | Ni | Zn | |
| Min/Max | Rem | 1.0 - 1.8 | 0.05 | 1 | 9.0 - 11.0 | 1 |
| Nominals | 88.6000 | 1.4000 | - | - | 10.0000 | - |
Physical Properties
| Properties | Metric | Imperial |
| Density | 8.94 g/cm3 | 0.323 lb/in3 |
| Melting point | 2140°F | 1171°C |
Corrosion resistance of C71500 in seawater
Cu-Ni alloys show good corrosion resistance in seawater. On the one hand, it is because Cu itself has a low electrode potential and it is difficult to directly oxidize Cu in neutral seawater; on the other hand, it is also because Cu can form a protective oxidation product film in seawater to prevent further corrosion reactions. When the seawater environment remains basically unchanged, the properties of the surface film directly affect the corrosion resistance of copper-nickel alloys in seawater. This study has revealed the corrosion state and corrosion causes of copper-nickel alloys under different conditions to a certain extent, which is helpful to more accurately study the corrosion process of copper-nickel alloys and the effects of alloying elements on corrosion resistance.
C71500 is usually a copper-nickel-zinc alloy, sometimes also called nickel silver or German silver. The exact composition may vary slightly depending on the manufacturer or industry standard.
This alloy generally has good mechanical strength and wear resistance. It also has excellent corrosion resistance, especially in marine environments.
Application
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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