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{"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"}}
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ASTM A335 P9 SERRATED FIN TUBE For Oil Refining Condencer
1. Introduction to ASTM A335 P9 Material
ASTM A335 P9 is a chromium-molybdenum alloy steel widely used in high-temperature and high-pressure applications. It is known for its excellent strength, corrosion resistance, and ability to withstand thermal and mechanical stresses. Key features of ASTM A335 P9 include:
High resistance to oxidation and scaling at elevated temperatures.
Excellent strength and creep resistance.
Superior weldability and machinability.
2. What is a Serrated Fin Tube?
A serrated fin tube is a type of extended surface heat exchanger tube designed to enhance heat transfer efficiency. It consists of fins attached to the outer surface of a base tube. The serrated, or notched, design of the fins increases the surface area and promotes turbulence in the fluid flow, significantly improving heat transfer performance.
Key Features of Serrated Fin Tubes:
Enhanced thermal conductivity due to increased surface area.
Reduced fouling and deposits due to the serrated design.
Compact and lightweight design for efficient installation.
Applications:
Air-cooled heat exchangers
Gas coolers
Economizers
Oil and gas processing units
3. ASTM A335 P9 Serrated Fin Tube
ASTM A335 P9 serrated fin tubes combine the superior properties of the base material (P9 alloy steel) with the enhanced heat transfer capabilities of serrated fins. This combination makes them ideal for demanding heat transfer applications in high-temperature and high-pressure environments.
Manufacturing Process:
Base Tube Production: The base tube is made from ASTM A335 P9 alloy steel, ensuring high strength and resistance to thermal stress.
Fin Attachment: Serrated fins, typically made from similar or compatible materials, are helically wound and securely attached to the base tube. The attachment can be achieved through techniques like high-frequency welding or mechanical wrapping.
Fin Serration: The fins are serrated (notched) to increase turbulence in the fluid flow, which improves heat transfer efficiency.
Specifications:
Material:
Base Tube: ASTM A335 P9
Fins: Carbon steel, stainless steel, or alloy steel
Tube Dimensions:
Outer Diameter (OD): As per design requirements (commonly between 1" to 8")
Wall Thickness: As per ASTM A335 P9 standards
Fin Dimensions:
Fin Height: Typically 5mm-15mm
Fin Pitch: 2mm-10mm
Fin Thickness: 0.5mm-1.5mm
Operating Conditions:
Temperature: Up to 600–650°C (dependent on material selection)
Pressure: Suitable for high-pressure systems
4. Advantages of ASTM A335 P9 Serrated Fin Tubes
High Thermal Efficiency: The serrated design promotes turbulence in fluid flow, improving heat transfer rates.
Durability: The P9 alloy steel base tube provides exceptional resistance to high temperatures, oxidation, and thermal stresses.
Corrosion Resistance: Chromium and molybdenum in P9 enhance resistance to corrosion and scaling.
Energy Savings: Improved heat transfer efficiency reduces energy consumption and operational costs.
Customization: Serrated fins can be tailored to specific dimensions, pitches, and thicknesses to meet application requirements.
5. Applications of ASTM A335 P9 Serrated Fin Tubes
Power Generation:
Steam boilers
Economizers
Heat recovery steam generators (HRSGs)
Petrochemical and Refinery:
Air-cooled heat exchangers
Process heaters
Gas coolers
Oil and Gas:
Offshore platforms
Gas processing plants
LNG terminals
Chemical Processing:
Heat exchangers in chemical reactors
Condensers and evaporators
6. Quality Standards and Testing
To ensure reliability and performance, ASTM A335 P9 serrated fin tubes are manufactured and tested according to stringent quality standards, including:
ASTM A335 P9 serrated fin tubes are an essential component in modern heat transfer applications, offering unmatched performance in high-temperature and high-pressure environments. Their combination of durability, efficiency, and customization makes them a preferred choice in industries like power generation, oil and gas, and petrochemicals. By selecting ASTM A335 P9 serrated fin tubes, businesses can achieve enhanced energy efficiency, reduced costs, and reliable performance over extended service lives.
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...
