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 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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