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 | ASTM B111 Heat Exchanger Tube ，C44300 Grade Heat Exchanger Tube ，C44300 finned tube air heat exchangers | ||
| Attribute | Value |
|---|---|
| Material | C68700 |
| Standard | ASTM B111, ASME SB111 |
| Ends | PE, BE |
| Application | Heat Exchangers, Condensers, Coolers, Etc. |
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 specifically engineered for heat exchangers, condensers, and cooling systems requiring exceptional corrosion resistance (particularly in seawater), combined with high strength and thermal conductivity.
The C68700 copper-nickel alloy delivers superior performance in marine, chemical, petrochemical, and power generation applications where heat exchange systems face harsh environments including saltwater, brines, and corrosive fluids. The tube offers excellent resistance to stress corrosion cracking and maintains robust mechanical strength, ensuring long-term durability in demanding operational conditions.
| Grade | Cu | Al | As | Zn |
|---|---|---|---|---|
| ASTM B111 C44300 | 76-79% | 1.8-2.5% | 0.02-0.06% | Remainder |
| Grade | Yield Strength | Tensile Strength | Elongation |
|---|---|---|---|
| ASTM B111 C44300 | Approximately 125 MPa (18 ksi) | Approximately 310 MPa (45 ksi) | ≥ 30% |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1990
Total Annual:
5000000-10000000
Employee Number:
50~100
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. The factories alre... 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. The factories alre...
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