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{"title":"ASTM A312 TP304H Serrated Fin Tube For Heat Exchanger And Reactor Cooling","imgUrl":"https:\/\/img.chinax.com\/nimg\/3d\/fa\/46b00bb1ec7bdd5ec084e93fba64-200x200-1\/astm_a312_tp304h_serrated_fin_tube_for_heat_exchanger_and_reactor_cooling.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"ASTM A312 TP347H Solid Fin Tube","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Place of Origin":"China"}}
{"title":"Studded Tube , ASTM A213 T9 \/ ASME SA213 T11 with 11Cr (SS 409) Studded Fin Tube","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/5e\/193bf5e1420e2ad6d787493b5761-200x200-1\/studded_tube_2c_astm_a213_t9_2f_asme_sa213_t11_with_11cr_28ss_409_29_studded_fin_tube_2csteam_reforming_furnace.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Studded Fin Tube , Pin Tube, Oil Furnace Tube , Steam Furnace Tube, Reforming Tube","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Place of Origin":"China, Korea"}}
{"title":"ASTM A179 Carbon Steel Seamless Tube with Aluminum ASTM B221 6063 (1060),","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/14\/2f89f1fc083fb0d86fc1c8c6a7b5-200x200-1\/astm_a179_carbon_steel_seamless_tube_with_aluminum_astm_b221_6063_281060_29_2c_extruded_fin_tube.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Extruded Fin Tube","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Place of Origin":"China, Korea"}}
{"title":"ASME SA210 Gr.A1 Seamless Tube with Aluminum Al1060 Embedded G type Fin tube","imgUrl":"https:\/\/img.chinax.com\/nimg\/42\/83\/722d4f6a846d5b7ec435ca0956f1-200x200-1\/asme_sa210_gr_a1_seamless_tube_with_aluminum_al1060_embedded_g_type_fin_tube.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"A179, A192, SA210 Gr A1\/C, A106 Gr B, TP304\/304L,TP316\/TP316L\/316Ti, A789 S31803\/S2205 Copper:UNS12200\/UNS14200\/UNS70600, CuNi70\/30,CuNi 90\/10","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Place of Origin":"China"}}
{"title":"Welded Helical Serrated Fin Tubes HFW Fin Tube For Per Heating Application","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/39\/0f0159470fee4c18f8581ab23fed-200x200-1\/welded_helical_serrated_fin_tubes_hfw_fin_tube_for_per_heating_application.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"HFW fin Tube , Serrated Fin Tube","Certification":"ISO , PED, API , CE","Place of Origin":"CHINA"}}
{"title":"ASME SA179 , ASTM A179 Carbon Steel Low Finned Tube, for Air Cooler, cooling","imgUrl":"https:\/\/img.chinax.com\/nimg\/e1\/4f\/b53764af2b239d868febd1d5d10a-200x200-1\/asme_sa179_2c_astm_a179_carbon_steel_low_finned_tube_2c_for_air_cooler_2c_cooling_tower_application.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Low Fin Tube, Low Finned Tube","Certification":"ABS, GL, DNV, NK, PED, AD2000, CCS, ISO 9001-2008","Place of Origin":"CHINA"}}
{"title":"ASTM A179\/ ASME SA179 Carbon Steel Seamless Tube with Aluminum 1060\uff0c Air Cooler,","imgUrl":"https:\/\/img.chinax.com\/nimg\/38\/23\/670b6953aaff63cf0fbfa25b3c77-200x200-1\/astm_a179_2f_asme_sa179_carbon_steel_seamless_tube_with_aluminum_1060_ef_bc_8c_air_cooler_2c_extruded_fin_tube_2cembedded_g_fin_tu.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"A179 , A192, A210 Gr.A1, C , ASTM A213 T11, T22, T5, T9","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Place of Origin":"China"}}
ASTM A312 Standard: This specification covers seamless, welded, and heavily cold-worked austenitic stainless steel pipes designed for high-temperature service and corrosive environments. It ensures the tube meets stringent mechanical and chemical properties for reliability in demanding applications.
Material: TP304H Stainless Steel:
Grade: TP304H is a high-carbon variant of 304 stainless steel. The "H" denotes elevated carbon content (0.04–0.10%), enhancing high-temperature creep resistance and strength.
Properties: Excellent corrosion resistance, oxidation resistance, and durability under cyclic thermal conditions, making it ideal for temperatures above 525°C (977°F).
Grade
UNS Designation
C
Mn
P
S
Si
Cr
Ni
Mo
Other
TP304H
S30409
0.04-0.1
2
0.045
0.03
1
18.0-20.0
8.0-11.0
...
...
Serrated Fin Design:
Structure: Fins are mechanically attached (typically welded, extruded, or embedded) to the tube's exterior, featuring notched or serrated edges.
Function: The serrations disrupt fluid flow, creating turbulence that improves heat transfer efficiency by thinning the thermal boundary layer. They also reduce fouling by minimizing particulate buildup.
Advantages:
Enhanced Heat Transfer: Increased surface area and turbulence boost thermal efficiency.
High-Temperature Performance: TP304H’s composition ensures stability in extreme heat.
Durability: Resists corrosion and mechanical degradation in harsh environments.
Applications:
1. Power Generation
Boilers & Superheaters: Used in coal-fired, gas-fired, or biomass power plants to transfer heat from combustion gases to water/steam. TP304H’s high-temperature strength (up to 800°C) resists creep and oxidation, while serrated fins maximize heat recovery from flue gases. Typical Operating Conditions: 540–620°C (1000–1150°F), high-pressure steam environments.
Economizers: Recovers waste heat from exhaust gases to preheat boiler feedwater. Serrations enhance turbulence, improving thermal efficiency in low-temperature zones (200–400°C).
Heat Recovery Steam Generators (HRSG): Integral in combined-cycle power plants, transferring heat from gas turbine exhaust to generate steam. TP304H resists sulfurous exhaust corrosion.
2. Petrochemical & Refining
Process Heaters/Furnaces: Heats hydrocarbons in cracking units or reformers. Serrated fins withstand coking (carbon deposits) and thermal cycling, while TP304H resists sulfidation and chloride stress corrosion.
Waste Heat Recovery Systems: Recovers energy from high-temperature process streams (e.g., refinery flue gases) to preheat feedstocks or generate steam.
3. Chemical Processing
Acid Gas Heat Exchangers: Handles corrosive media (e.g., sulfuric acid, chlorine) in sulfuric acid plants or chlor-alkali units. TP304H’s chromium-nickel content provides pitting and crevice corrosion resistance.
Reactor Cooling/Heating Coils: Maintains precise temperatures in exothermic/endothermic reactions. Serrated fins ensure rapid heat exchange in aggressive chemical environments.
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...
