Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | 500 TONS |
| Delivery Time | 20-80 DAYS |
| Packaging Details | PLYWOODEN CASE OR PALLET |
| Tube Material | ASME SA179 (carbon steel) |
| Brand Name | YUHONG |
| Model Number | ASME SA179 |
| Certification | ASME, ABS, DNV-GL , BV, LR , KR, CCS, PED, TUV, ISO9001, AD2000 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 500 TONS |
| Delivery Time | 20-80 DAYS | Packaging Details | PLYWOODEN CASE OR PALLET |
| Tube Material | ASME SA179 (carbon steel) | Brand Name | YUHONG |
| Model Number | ASME SA179 | Certification | ASME, ABS, DNV-GL , BV, LR , KR, CCS, PED, TUV, ISO9001, AD2000 |
| Place of Origin | CHINA |
Yuhong Group Co., Ltd. supplies high-quality thermal equipment including shell & tube heat exchangers (TEMA heat exchanger designs), pressure vessels, air coolers - and every critical internal component. We deliver ASME-compliant parts that restore performance and extend equipment life.
The carbon steel tube bundle is the removable core of a shell & tube heat exchanger, consisting of ASME SA179 seamless tubes, SA266 Gr.2 forged tubesheet, baffles, tie rods, and spacers. Designed as a direct drop-in replacement for existing units in non-corrosive or mildly corrosive services.
| Component | Material (Typical) | Role in Equipment Performance |
|---|---|---|
| Heat Exchanger Tube | ASME SA179 (carbon steel) | Carries tube-side fluid; primary heat transfer surface. Typically hundreds of tubes per bundle. |
| Fin Tube (optional) | Carbon steel + aluminum fin | Increases surface area by 3-5* for gas or low-HTC fluids, boosting heat transfer without resizing the shell. |
| Furnace Tube | Heavy-wall chrome-moly (P5, P9) | For high-temperature sections; resists creep and oxidation in waste heat recovery applications. |
| Heat Exchanger Tubesheet | SA266 Gr.2 forged | Holds all tubes; separates shell-side from tube-side fluid. Precision-drilled for leak-tight tube rolling. |
| Baffles | SA516 Gr.70 | Direct shell-side flow across tubes, support tubes against vibration, increase turbulence. |
| Tie Rods & Spacers | Carbon steel (SA193 B7) | Hold baffles at correct spacing; ensure bundle rigidity during shipping and operation. |
| Sealing Strips | Carbon steel | Block shell-side fluid from bypassing the bundle periphery; maximize thermal efficiency. |
| Situation | Repair Viable? | Why Replace Instead |
|---|---|---|
| <5% tubes plugged | Yes, repair acceptable | Replacement not yet justified |
| 5-15% tubes plugged | Borderline | Loss of surface area reduces duty; replacement restores original performance |
| >15% tubes plugged | No | Significant duty loss; future plugging will accelerate |
| Tubesheet face corroded/grooved | No | New tubes will not seal properly against old tubesheet |
| Frequent tube leaks near inlet | No | Impingement erosion - design flaw requiring proper impingement plate |
We provide individual parts for your own assembly:
Send your old bundle drawing, field sketch, or heat exchanger model number to jimmy@steelseamlesspipe.com. We will:
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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