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{"title":"Welding Fin Tube, Serrated Type, Helical Serrated, Base Tube ASTM A312 TP347","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/6b\/fe79f82b6688415738b9e723e4e0-200x200-1\/welding_fin_tube_2c_serrated_type_2c_helical_serrated_2c_base_tube_astm_a312_tp347_with_ss409_fin_material.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Serrated Fin Tube, Helical Serrated Fin Tube","Certification":"ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001","Place of Origin":"China , Korea"}}
{"title":"Serrated Type Welding Fin Tube ASME SA312 TP347H Convenction Tube For Fired","imgUrl":"https:\/\/img.chinax.com\/nimg\/9c\/73\/1bae9d22f66e804af98d9936813e-200x200-1\/serrated_type_welding_fin_tube_asme_sa312_tp347h_convenction_tube_for_fired_heater.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Serrated, Helical Serrated","Certification":"ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001","Place of Origin":"China , Korea"}}
{"title":"High Frequency Welding Fin Tube Serrated Type ASTM A312 TP304H For Power Plant","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/1a\/6d14e591c1021b1ded440adba518-200x200-1\/high_frequency_welding_fin_tube_serrated_type_astm_a312_tp304h_for_power_plant_furnace.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Serrated, Helical Serrated","Certification":"ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001","Place of Origin":"China , Korea"}}
{"title":"ASME SA192 Serrated Type Welding Fin Tube Coil For Fired Heater","imgUrl":"https:\/\/img.chinax.com\/nimg\/e7\/c4\/9a736865a7d62c84dcdf3a547f1f-200x200-1\/asme_sa192_serrated_type_welding_fin_tube_coil_for_fired_heater.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"Serrated, Helical Serrated","Certification":"ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001","Place of Origin":"China , Korea"}}
{"title":"Stainless Steel HFW Serrated Fin Tube ASTM A312 TP304H With SS304 Fin For","imgUrl":"https:\/\/img.chinax.com\/nimg\/f9\/d2\/14f8332e582e224bb7a6055f5564-200x200-1\/stainless_steel_hfw_serrated_fin_tube_astm_a312_tp304h_with_ss304_fin_for_furnace.jpg","attrs":{"Brand Name":"Yuhong","Model Number":"ASTM A312 TP304H","Certification":"DNV, BV, PED, LR, ABS, TS, CCS","Place of Origin":"China"}}
{"title":"Serrated Spiral High Frequency Welding Finned Tube ASTM A312 TP347 For Heat","imgUrl":"https:\/\/img.chinax.com\/nimg\/9c\/73\/1bae9d22f66e804af98d9936813e-200x200-1\/serrated_spiral_high_frequency_welding_finned_tube_astm_a312_tp347_for_heat_exchanger.jpg","attrs":{"Brand Name":"YuHong","Model Number":"ASTM A312 TP347","Certification":"ABS, BV, ISO, ASTM, SGS","Place of Origin":"China"}}
ASME SA335 P11 Alloy Steel HFW Serrated Fin Tube with Gr.11 Fin Material for Heater Coil
Key Features:
Base Tube Material: ASME SA335 P11 Alloy Steel, a high-strength, heat-resistant alloy steel designed for use in high-temperature and high-pressure applications such as heater coils. It is highly resistant to oxidation and corrosion, making it suitable for harsh environments.
Fin Material: Gr.11 Steel, typically a variant of the chrome-moly alloy, provides additional heat resistance and strength, making it an excellent choice for fins that need to withstand elevated temperatures.
Fin Type: Serrated Fin, designed to increase the heat transfer surface area and improve thermal efficiency by causing turbulence in the surrounding fluid. The serration design enhances performance by disrupting the boundary layer of fluid, allowing for better heat dissipation.
Application: Primarily used in heater coils for efficient heat transfer in various industrial heating applications such as power plants, chemical processing, and heat exchangers.
Technical Specifications:
Property
Base Tube (ASME SA335 P11 Alloy Steel)
Fin Material (Gr.11 Alloy Steel)
Outer Diameter (OD)
19.05 mm - 114.3 mm
Customizable based on design
Wall Thickness
1.2 mm - 10 mm
-
Fin Thickness
-
1.5 mm - 3.5 mm
Fin Height
-
20 mm - 50 mm
Fin Type
-
Serrated (HFW)
Fin Attachment
Welded or mechanically bonded to base tube
-
Chemical Composition:
Element
ASME SA335 P11 (Base Tube)
Gr.11 Alloy Steel (Fin Material)
Carbon (C)
0.05% - 0.15%
0.05% - 0.15%
Manganese (Mn)
0.30% - 0.60%
0.30% - 0.60%
Phosphorus (P)
0.025% (max)
0.025% (max)
Sulfur (S)
0.025% (max)
0.025% (max)
Chromium (Cr)
1.00% - 2.50%
1.00% - 2.50%
Molybdenum (Mo)
0.44% - 0.65%
0.44% - 0.65%
Nickel (Ni)
0.30% (max)
0.30% (max)
Silicon (Si)
0.50% - 1.00%
0.50% - 1.00%
Mechanical Properties:
Property
ASME SA335 P11 (Base Tube)
Gr.11 Alloy Steel (Fin Material)
Tensile Strength
415 - 550 MPa
450 - 550 MPa
Yield Strength
205 MPa (min)
220 MPa (min)
Elongation
≥ 30%
≥ 20%
Hardness
Brinell hardness: 160 - 190 HB
Brinell hardness: 170 - 210 HB
Advantages:
High-Temperature Resistance: Both ASME SA335 P11 alloy steel and Gr.11 fin material are designed to withstand high operating temperatures, making them ideal for heater coils in industrial applications.
Enhanced Heat Transfer: The serrated fin design increases the heat transfer surface area, improving the efficiency of heat exchange and ensuring that the system operates at optimum efficiency.
Durability and Longevity: The combination of alloy steel and high-performance serrated fins ensures both mechanical strength and resistance to wear, extending the life of the heater coil system.
Cost-Effective: While offering excellent performance in high-temperature environments, the use of alloy steel materials remains cost-effective compared to higher-alloy alternatives, ensuring good value for industrial applications.
Applications:
Heater Coils: Commonly used in industrial heater coils where high-efficiency heat transfer is required, such as in heat exchangers, furnace heating, and boiler systems.
Power Generation: Ideal for power plants, where high-temperature resistance and efficient heat exchange are critical.
Chemical Processing: Used in chemical reactors and cooling/heating systems in the petrochemical and chemical industries.
Oil Refineries: Used in heat exchanger systems to improve thermal efficiency in crude oil distillation or other thermal processes.
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. The factories ...
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. The factories ...
