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{"title":"Stainless Steel 304 Studded Fin Tube \u2013 High Temperature Heat Transfer Applicatio","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/9b\/43cc2631deea3253af0a74b29fa9-200x200-1\/stainless_steel_304_studded_fin_tube_e2_80_93_high_temperature_heat_transfer_applicatio.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Studded Fin Tube","Certification":"ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014\/68\/EU;","Place of Origin":"CHINA"}}
{"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":"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":"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"}}
High-Performance ASTM A312 TP304 Stainless Steel Studded Fin Tube
1. What is the ASTM A312 TP304 Studded Fin Tube?
The ASTM A312 TP304 Stainless Steel Studded Fin Tube is a highly efficient heat transfer component specifically designed for extreme working environments. Unlike standard extruded or L-foot fin tubes, studded tubes feature metal studs welded directly onto the base pipe. Manufactured with premium A312 TP304 stainless steel, this product offers exceptional corrosion resistance and high-temperature stability. It is the ultimate solution for heavy-duty applications where severe fouling, highly corrosive fluids, and extreme thermal stress are present, ensuring prolonged service life and maximum heat exchange efficiency.
2. Structure & Welding Process of TP304 Stainless Steel Studded Fin Tube
Our studded tubes are engineered with precision to guarantee a 100% metal-to-metal bond, ensuring zero thermal contact resistance.
Base Pipe (ASTM A312 TP304): The core of the tube is made of seamless or welded A312 TP304 stainless steel pipe, known for its excellent tensile strength and oxidation resistance in high-temperature settings.
Studs / Fins (Stainless Steel 304 or Custom): Cylindrical or elliptical metal studs are attached to the exterior of the base pipe. The stud material typically matches the base pipe (SS 304) to prevent galvanic corrosion and ensure uniform thermal expansion.
Embedding / Welding Process (Resistance Welding): We utilize an advanced automated Electric Resistance Welding (ERW) process. A heavy electric current is passed through the stud and the base pipe, melting the contact point instantly. Forging pressure is then applied to weld the stud directly into the base metal. This process creates a flawless metallurgical bond, meaning the studs will never loosen, peel, or detach, even under severe thermal cycling.
3. Chemical Composition of A312 TP304 Base Pipe & Studs
To ensure the highest material reliability, the chemical composition of our TP304 Stainless Steel Studded Tubes strictly adheres to ASTM/ASME standards.
Material Type
Standard
C (Max)
Mn (Max)
P (Max)
S (Max)
Si (Max)
Cr (Chromium)
Ni (Nickel)
Base Pipe
ASTM A312 TP304
0.08%
2.00%
0.045%
0.030%
1.00%
18.0 - 20.0%
8.0 - 11.0%
Studs (Fins)
SS 304 / ER304
0.08%
2.00%
0.030%
0.030%
0.65%
18.0 - 20.0%
8.0 - 11.0%
4. Dimensional Tolerance Range for SS 304 Studded Fin Tube
Precision is critical for heat exchanger assembly. Our 304 Stainless Steel Studded Fin Tubes are manufactured within strict dimensional tolerances to guarantee easy installation and optimal fluid dynamics.
Parameter
Specification Range
Standard Tolerance
Base Pipe Outside Diameter (OD)
25.4 mm – 219.1 mm
± 1.0 % (As per ASTM A312)
Base Pipe Wall Thickness
2.11 mm – 12.7 mm (SCH10 - SCH160)
± 10.0 %
Stud Height
12.7 mm – 60 mm
± 1.0 mm
Stud Diameter
8.0 mm – 14.0 mm
± 0.2 mm
Stud Pitch (Spacing)
12.7 mm – 25.4 mm
± 1.0 mm
Un-studded Bare Ends
50 mm – 150 mm (Customizable)
± 5.0 mm
Overall Tube Length
Up to 18,000 mm
± 5.0 mm
5. Performance Advantages of 304 Stainless Steel Studded Tubes
Choosing our ASTM A312 TP304 Studded Fin Tubes provides your engineering projects with unbeatable benefits:
Superior Fouling Resistance: The studded design creates high turbulence in the gas flow, significantly reducing soot and ash accumulation. They are incredibly easy to clean using standard shot blasting or mechanical cleaning methods.
Extreme Temperature Tolerance: Thanks to the A312 TP304 material and the ERW welding process, the tubes can operate safely in environments exceeding 700°C (1292°F) without stud degradation.
Zero Contact Resistance: The solid welded joint means heat transfers directly from the base pipe to the studs without the thermal bottleneck seen in mechanically bonded fins.
Corrosion Resistance: The 18% Chromium and 8% Nickel content ensures outstanding defense against atmospheric corrosion, organic chemicals, and high-temperature oxidation.
6. Detailed Industrial Applications of A312 TP304 Studded Fin Tube
Because of their rugged construction, A312 TP304 Stainless Steel Studded Tubes are widely specified in industries dealing with dirty gases and high temperatures:
Petrochemical Refineries: Convection sections of fired heaters, cracking furnaces, and visbreakers.
Power Generation: Waste Heat Recovery Units (WHRU), Heat Recovery Steam Generators (HRSG), and economizers.
Chemical Processing: Sulfuric acid plants, syngas coolers, and chemical reactors.
Metallurgy & Steel Mills: Flue gas coolers and heavy-duty industrial furnaces.
7. Why Choose Our TP304 Studded Fin Tube?
With over 15 years of manufacturing experience in the global heat transfer industry, we are your trusted partner for custom finned tubes.
Rigorous Quality Control: Every TP304 Studded Tube undergoes stringent testing, including Pull-off Tests (to guarantee weld strength), Dye Penetrant Inspection (PT) for the welds, and Hydrostatic Testing for the base pipe.
Advanced Equipment: We operate state-of-the-art automatic resistance welding machines, ensuring high production capacity (up to 3,000 meters per week) and consistent weld quality.
Customization Capabilities: Whether you need specific stud densities (e.g., 60 studs per row), unique lengths, or different base-to-stud material combinations (like SS304 base with Carbon Steel studs), our engineering team can manufacture exactly to your drawings.
Global Export Experience: We provide robust, seaworthy wooden box packaging to protect the studs from bending during transit, ensuring your products arrive in perfect condition anywhere in the world.
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...
