YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 60 Days |
| Packaging Details | Ply-Wooden Case + Iron Frame |
| Material | C68700 |
| Standard | ASTM B111 , ASME SB111 |
| Ends | PE , BE |
| Application | Heat Exchangers, Condensers, Coolers, Etc. |
| Brand Name | YUHONG |
| Model Number | Seamless Tube |
| Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 |
| Place of Origin | China , Korea |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 60 Days | Packaging Details | Ply-Wooden Case + Iron Frame |
| Material | C68700 | Standard | ASTM B111 , ASME SB111 |
| Ends | PE , BE | Application | Heat Exchangers, Condensers, Coolers, Etc. |
| Brand Name | YUHONG | Model Number | Seamless Tube |
| Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 | Place of Origin | China , Korea |
| High Light | Copper Alloy Steel heat exchanger tube ，ASTM B111 C68700 heat exchanger tube ，Cooling Systems heat exchanger tube manufacturers | ||
Copper Alloy Steel ASTM B111 C68700 Heat Exchanger Tube , Cooling Systems
The ASTM B111 C68700 copper alloy steel heat exchanger tube is a seamless tube made from a copper-nickel alloy (70% Cu, 30% Ni). This alloy is designed for use in heat exchangers, condensers, and cooling systems where high corrosion resistance (especially in seawater), strength, and thermal conductivity are critical. The C68700 copper-nickel alloy provides excellent performance in marine, chemical, petrochemical, and power generation applications, where heat exchange systems are exposed to harsh environments, including saltwater, brines, and corrosive fluids. The tube is also highly resistant to stress corrosion cracking and offers good mechanical strength, ensuring durability and long-term performance in demanding systems.
Chemical Composition:
| Grade | Cu | Al | As | Zn |
| ASTM B111 C44300 | 76-79% | 1.8-2.5% | 0.02-0.06% | Remainder |
Mechanical Properties:
| Grade | Yield Strength | Tensile Strength | Elongation |
| ASTM B111 C44300 | Approximately 125 MPa (18 ksi) | Approximately 310 MPa (45 ksi) | ≥ 30% |
Applications:
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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