Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C, D/A |
| Supply Ability | 15 SETS/MONTH |
| Delivery Time | 30-60DAYS |
| Packaging Details | Wooden export crates |
| Tube | SB111 C70600 O61 |
| Spacers | SA179 |
| Tie rod | SA36 |
| Baffle | C46500(NAVAL BRASS) |
| Support baffle | C46500(NAVAL BRASS) |
| Impingement plate | SA283 GR.C |
| Eye bolt | CS |
| Brand Name | YUHONG |
| Model Number | TUBE BUNDLE |
| Certification | ASME U Stamp |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C, D/A | Supply Ability | 15 SETS/MONTH |
| Delivery Time | 30-60DAYS | Packaging Details | Wooden export crates |
| Tube | SB111 C70600 O61 | Spacers | SA179 |
| Tie rod | SA36 | Baffle | C46500(NAVAL BRASS) |
| Support baffle | C46500(NAVAL BRASS) | Impingement plate | SA283 GR.C |
| Eye bolt | CS | Brand Name | YUHONG |
| Model Number | TUBE BUNDLE | Certification | ASME U Stamp |
| Place of Origin | CHINA | ||
| High Light | SB111 Copper Alloy Seamless Tube Bundle ，C70600 Copper Alloy Seamless Tube Bundle ，NACE MR0175 Heat Exchanger Tube Bundle | ||
Tubular Tube Bundle Parts C70600 Copper Tube Bundle ASME Viii Division 1, TEMA R
SB111 C70600 Copper Alloy Seamless Tube Bundle
C70600 is a 90/10 Copper-Nickel alloy (CuNi 90/10), containing 90% copper and 10% nickel. It is highly resistant to corrosion, especially in seawater and brackish water environments, making it an excellent choice for heat exchanger tubes.
| Property | Details |
|---|---|
| Material | C70600 (90% Copper, 10% Nickel) |
| Key Features | High corrosion resistance, excellent thermal conductivity, good weldability |
| Applications | Heat exchangers, condensers, marine environments, desalination plants |
| Standards | ASTM B111 |
| Advantages | Resistance to stress-corrosion cracking and erosion-corrosion |
SB111 C70600 Copper Alloy Seamless Tube Bundle Part list
-SA283 GRADE C JACK SCREW LUG
-SA283 GRADE C DOWEL PIN LUG
-SA283 GRADE C SEALING STRIP
-SA283 GRADE C SLIDING PLATE
-SA179 DUMMY TUBE
--SA283 GRADE C END PLATE
| Component | Function | Material Properties |
|---|---|---|
| Jack Screw Lug | Alignment and securing of the heat exchanger | Moderate strength, good machinability |
| Dowel Pin Lug | Ensures precise alignment of components | Durable under moderate stress |
| Sealing Strip | Prevents fluid or gas leakage | Flexible, resistant to deformation |
| Sliding Plate | Allows thermal expansion during operation | Resistant to repetitive stress |
| End Plate | Encloses and secures the tube bundle | Structurally strong under pressure |
SB111 C70600 Copper Alloy Seamless Tube Bundle Specific Requirements and Treatment
- KILLED CS, NORMALIZED, NACE MR0175/0103, HIC&SSC RESISTANT
| Requirement | Details | Purpose |
|---|---|---|
| Killed Carbon Steel | Deoxidized steel (e.g., with silicon or aluminum) | Reduces voids, improves toughness and ductility |
| Normalized Heat Treatment | Heating above critical temperature and air cooling | Refines grain structure, improves mechanical properties |
| NACE MR0175 Compliance | Material resistant to H2S environments | Prevents hydrogen-induced cracking (HIC) and sulfide stress cracking (SSC) |
| HIC Resistance | Material resistant to internal cracks caused by hydrogen diffusion | Ensures structural integrity in sour environments |
| SSC Resistance | Resistance to cracking under tensile stress and H2S exposure | Prevents premature failure in pressure vessels |
Common Copper and Copper-Alloy Grades for Heat Exchanger Tubes
| Grade | Standard | Composition | Properties | Applications |
|---|---|---|---|---|
| C70600 (90/10 CuNi) | ASTM B111 | Cu 90%, Ni 10% | - Excellent seawater corrosion resistance.<br>- High thermal conductivity.<br>- Good strength. | Marine heat exchangers, desalination plants, offshore oil & gas systems. |
| C71500 (70/30 CuNi) | ASTM B111 | Cu 70%, Ni 30% | - Superior corrosion resistance compared to 90/10 CuNi.<br>- Higher mechanical strength. | High-pressure marine heat exchangers, chemical processing industry. |
| C44300 (Admiralty Brass) | ASTM B111 | Cu 70%, Zn 29%, Sn 1% | - Excellent corrosion resistance in non-aggressive waters.<br>- Good resistance to dezincification. | Power plant condensers, HVAC systems, low-corrosion water environments. |
| C68700 (Aluminum Brass) | ASTM B111 | Cu 76%, Zn 22%, Al 2% | - Better corrosion resistance than standard brasses.<br>- Suitable for high-velocity seawater. | Ship condensers, oil refineries, desalination plants. |
| C12200 (DHP Copper) | ASTM B111 | Cu ≥ 99.9%, P ≤ 0.04% | - High thermal conductivity.<br>- Excellent soldering and brazing properties. | Domestic and industrial heat exchangers, refrigeration, and air-conditioning systems. |
| C11000 (Electrolytic Tough Pitch Copper) | ASTM B68/B75 | Cu ≥ 99.9% | - Very high thermal conductivity.<br>- Good electrical conductivity.<br>- Less corrosion resistance. | Electrical heat exchangers, low-corrosion environments. |
| C28000 (Muntz Metal) | ASTM B111 | Cu 60%, Zn 40% | - High corrosion resistance.<br>- Good mechanical strength. | Industrial heat exchangers, condensers, and piping systems. |
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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