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{"title":"Bimetallic Extruded Finned Tubes for Timber Drying Kilns","imgUrl":"https:\/\/img.chinax.com\/nimg\/45\/0d\/27fe3b5b653e22675a2842497bad-200x200-1\/bimetallic_extruded_finned_tubes_for_timber_drying_kilns.jpg","attrs":{"Payment Terms":"T\/T,L\/C","Package":"Iron frame wooden case","Product":"Extruded Finned Tube","Price":"To be discussed"}}
{"title":"Extruded Fin Tube EN 10217-7 1.4301 For Air Preheaters and Evaporator","imgUrl":"https:\/\/img.chinax.com\/nimg\/7e\/20\/5187d9216087f1e7b025b358c7df-200x200-1\/extruded_fin_tube_en_10217_7_1_4301_for_air_preheaters_and_evaporator.jpg","attrs":{"Brand Name":"YUHONG","Certification":"ABS, BV, DNV, CCS, LR","Place of Origin":"China","Minimum Order Quantity":"1PC"}}
{"title":"ASTM A179 Extruded Finned Tube with B209 Al1100 Fins for Air-cooled Condensers","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/37\/0550dbc8634bbdc019f10fec236e-200x200-1\/astm_a179_extruded_finned_tube_with_b209_al1100_fins_for_air_cooled_condensers.jpg","attrs":{"Price":"Negotiable","Place of Origin":"China","Fin material":"ASTM B209 AL1100","Bare Tube Specification&Material":"ASTM A179 Seamless Tube"}}
{"title":"Applications of EN 10217-7 1.4301 Extruded Fin Tube with Al 1060 Fins in","imgUrl":"https:\/\/img.chinax.com\/nimg\/7e\/20\/5187d9216087f1e7b025b358c7df-200x200-1\/applications_of_en_10217_7_1_4301_extruded_fin_tube_with_al_1060_fins_in_industrial_heating_2fheat_exchange.jpg","attrs":{"Product Name":"EN10217-7 1.4301 Extruded Finned Tube with Al1060 Fins","Brand Name":"YUHONG","Model Number":"EN10217-7 1.4301 Extruded Finned Tube with Al1060 Fins","Certification":"ABS, BV, DNV, CCS, LR"}}
{"title":"ASTM A192 Seamless Carbon Steel Extruded Fin Tube with AL1060 Fin For Heat","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/cf\/4834154403ecac63d956c3ba5fde-200x200-1\/astm_a192_seamless_carbon_steel_extruded_fin_tube_with_al1060_fin_for_heat_exchanger.jpg","attrs":{"Brand Name":"YUHONG","Certification":"ABS, BV, ISO, ASTM, SGS","Place of Origin":"China","Minimum Order Quantity":"200-500KGS"}}
{"title":"Extruded Fin Tube ASTM A179 Aluminium Strip Al1060 For Air Cooler","imgUrl":"https:\/\/img.chinax.com\/nimg\/90\/af\/128592fdc0ff500ba0f0537c5f6c-200x200-1\/extruded_fin_tube_astm_a179_aluminium_strip_al1060_for_air_cooler.jpg","attrs":{"Application":"Heat Exchanger","Minimum Order Quantity":"100KGS","Price":"Negotiable","Payment Terms":"TT, LC"}}
ASTM B163 N08825 Extruded Fin Tube Chemical Composition
Grade
Ni
Cu
Mo
Fe
Mn
C
Si
S
Cr
Al
Ti
N08825
38.0-46.0
1.5-3.0
2.5-3.5
22.0Mins
1.00
0.05
0.05
0.5
19.5-23.5
0.2
0.6-1.2
ASTM B163 N08825 Extruded Fin Tube FAQ
1. What is ASTM B163 N08825?
ASTM B163 is a standard specification for seamless nickel and nickel alloy condenser and heat-exchanger tubes.
N08825 (Incoloy 825) is a nickel-iron-chromium alloy with additions of molybdenum and copper, designed for corrosion resistance in a wide range of environments.
2. What are the key properties of N08825?
Corrosion Resistance: Excellent resistance to both reducing and oxidizing acids, stress-corrosion cracking, and pitting.
High Temperature Strength: Good mechanical properties at elevated temperatures.
Oxidation Resistance: Resists oxidation and carburization at high temperatures.
Weldability: Can be welded using common welding techniques.
3. What are the advantages of using ASTM B163 N08825 extruded fin tubes?
Enhanced Heat Transfer: The fins increase the surface area, improving heat transfer efficiency.
Corrosion Resistance: Suitable for harsh environments, including those with acidic and corrosive media.
Durability: High strength and resistance to thermal fatigue make them suitable for high-temperature applications.
Long Service Life: The material's resistance to corrosion and oxidation extends the lifespan of the tubes.
4. What are the typical applications of ASTM B163 N08825 extruded fin tubes?
Chemical Processing: Heat exchangers, condensers, and reactors in corrosive environments.
Petrochemical Industry: Used in refineries and petrochemical plants for heat recovery and process heating.
Power Generation: Condensers and heat exchangers in power plants.
Marine Applications: Heat exchangers in seawater environments due to excellent corrosion resistance.
5. What are the manufacturing standards for ASTM B163 N08825 extruded fin tubes?
Material Composition: Must comply with the chemical composition requirements for N08825.
Mechanical Properties: Must meet the tensile strength, yield strength, and elongation requirements specified in ASTM B163.
Dimensional Tolerances: Must adhere to the dimensional standards for seamless tubes and fin dimensions.
Testing and Inspection: Includes non-destructive testing (NDT), hydrostatic testing, and visual inspection to ensure quality and integrity.
6. What are the considerations for selecting ASTM B163 N08825 extruded fin tubes?
Operating Environment: Consider the chemical composition, temperature, and pressure of the operating environment.
Heat Transfer Requirements: Ensure the fin design meets the heat transfer efficiency needs.
Mechanical Strength: Verify that the tube can withstand the mechanical stresses of the application.
Compliance with Standards: Ensure the tubes meet the relevant industry standards and specifications.
7. How do you maintain ASTM B163 N08825 extruded fin tubes?
Regular Inspection: Periodic inspection for signs of corrosion, erosion, or mechanical damage.
Cleaning: Regular cleaning to remove fouling and deposits that can reduce heat transfer efficiency.
Monitoring: Continuous monitoring of operating conditions to detect any deviations that could affect tube performance.
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