Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 500 tons per month |
| Delivery Time | according to quantity |
| Packaging Details | Ply-wooden Case /Iron Case |
| Standard | ASME SA106/ASTM A106 |
| Tube Material | Gr.B |
| Fin Material | Carbon steel |
| Type | U-Fin Tube |
| Packing | Plywood case/Iron case |
| Application | heat exchanger,Cooler |
| Brand Name | YUHONG |
| Model Number | U-Type Fin Tube |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 500 tons per month |
| Delivery Time | according to quantity | Packaging Details | Ply-wooden Case /Iron Case |
| Standard | ASME SA106/ASTM A106 | Tube Material | Gr.B |
| Fin Material | Carbon steel | Type | U-Fin Tube |
| Packing | Plywood case/Iron case | Application | heat exchanger,Cooler |
| Brand Name | YUHONG | Model Number | U-Type Fin Tube |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | China |
ASTM A106 / ASME SA 106 Gr.B Carbon Steel High Frequency Welded Fin Tube U-Type
Overview
Finned tubes are a type of heat exchange element. They are mainly used to improve the heat exchange efficiency. Fins are usually added to the surface of the heat exchange tube to increase the outer surface area (or inner surface area) of the heat exchange tube, thereby achieving the purpose of improving the heat exchange efficiency of the heat exchange tube.
Finned tubes have the characteristics of high heat transfer power, large heat dissipation area, long service life, and wide temperature control requirements. Its heat transfer area is several to dozens of times larger than that of light tubes, and has the effect of strengthening heat transfer and reducing resistance.
In view of the fact that finned tubes are installed on mechanical equipment such as boilers and must withstand the test of continuous high temperature, when selecting finned tubes, it is necessary to select finned tubes with more outstanding performance as follows. Finned tubes have strong corrosion resistance. If the selected finned tubes are not corrosion resistant, they are prone to corrosion under continuous high temperature conditions.
Secondly, finned tubes have strong wear resistance. If the finned tubes are worn, the heat transfer effect will be disturbed to a corresponding degree. Therefore, finned tubes with strong wear resistance should be selected.
Third, the finned tube has low contact thermal resistance. Only by choosing finned tubes with low contact thermal resistance can the performance of the finned tube be maintained under continuous high temperature conditions; the finned tube has strong stability. Only by choosing finned tubes with strong stability can the heat transfer performance not be affected under continuous high temperature conditions; fifth, the finned tube has good dust resistance.
ASTM A106 Gr.B HFW U-shaped finned tube is a heat exchanger tube made of carbon steel with a unique "U" shaped fin profile. The "U" shaped fins are welded on the outer surface of the tube in a spiral manner to form an extended surface, which can improve the overall heat transfer efficiency.
Chemical position of A106 Gr.A / B/ C
| Grade | A | B | C |
| C | 0.25 | 0.3 | 0.35 |
| Mn | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 |
| P | 0.035 | 0.035 | 0.035 |
| S | 0.035 | 0.035 | 0.035 |
| Si | ≥0.10 | ≥0.10 | ≥0.10 |
| Cr | 0.4 | 0.4 | 0.4 |
| Cu | 0.4 | 0.4 | 0.4 |
| Mo | 0.15 | 0.15 | 0.15 |
| Ni | 0.4 | 0.4 | 0.4 |
| V | 0.08 | 0.08 | 0.08 |
Tensile requirement of ASTM A106 grade A, B And C.
| Grade | Grade A | Grade B | Grade C |
| Tensile Strength, min., psi | 48000 | 60000 | 70000 |
| Yield Strength, min., psi | 30000 | 35000 |
40000 |
Applications
Power Plant Boilers
Reheaters
Economizers
Petrochemical / Refinery Heaters & Reformers
Convection Sections
Waste Heat Recovery Units (WHRUs)
Thermal Fluid Heaters
Industrial Steam Boilers
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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