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{"title":"Studded Tube , ASTM A213 T9 \/ ASME SA213 T11 with 11Cr (SS 409) Studded Fin Tube","imgUrl":"https:\/\/img.silkroadsl.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.silkroadsl.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.silkroadsl.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.silkroadsl.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.silkroadsl.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.silkroadsl.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 A213 T9 Alloy Steel Studded Fin Pipe with 13Cr Studs for Radiant Coil Applications
Studded fin pipes are widely used in radiant coils for high-temperature and high-pressure environments such as furnaces, heaters, and boilers. ASTM A213 T9 alloy steel with 13% chromium (13Cr) studs ensures excellent mechanical strength, thermal efficiency, and resistance to corrosion and oxidation, making it ideal for demanding applications.
1. Material Specification
Base Tube Material:
Standard: ASTM A213
Grade: T9 Alloy Steel
Type: Seamless ferritic alloy steel
Applications: Used in high-temperature services, including heat exchangers and boiler systems.
Stud Material:
Material: 13Cr (13% Chromium)
Purpose: Improves heat transfer and resists oxidation and corrosion at elevated temperatures.
2. Chemical Composition
ASTM A213 T9 Base Tube:
BASE TUBE ASTM A213 T9 FIN PIPE Chemical Composition
Element
Carbon (C)
Manganese (Mn)
Phosphorus (P)
Sulfur (S)
Silicon (Si)
Chromium (Cr)
Molybdenum (Mo)
ASTM
A213 T9
0.08 – 0.18
0.30 – 0.60
≤ 0.025
≤ 0.025
0.50 – 1.00
8.00 – 10.00
0.90 – 1.10
13Cr Studs:
STUDS 13Cr Chemical Composition
Element
Carbon (C)
Manganese (Mn)
Chromium (Cr)
Silicon (Si)
Phosphorus (P)
Sulfur (S)
13Cr Studs
≤ 0.20
≤ 1.00
12.00 – 14.00
≤ 1.00
≤ 0.030
≤ 0.030
3. Mechanical Properties
BASE TUBE ASTM A213 T9 FIN PIPE Mechanical Properties
Property
Tensile Strength
Yield Strength
Elongation
Hardness
ASTM A213 T9
≥ 415 MPa
≥ 205 MPa
≥ 20%
≤ 163 HB
STUDS 13Cr Mechanical Properties
Property
Tensile Strength
Yield Strength
Elongation
Hardness
13Cr Studs
≥ 485 MPa
≥ 275 MPa
≥ 15%
≤ 217 HB
4. Features of Studded Fin Pipe
Enhanced Heat Transfer:
The 13Cr studs provide additional surface area, significantly improving heat transfer efficiency.
Suitable for radiant sections in furnaces where high thermal conductivity is crucial.
High-Temperature Resistance:
ASTM A213 T9 alloy steel withstands elevated temperatures up to 650°C.
13Cr studs resist oxidation and scaling, even in aggressive environments.
Corrosion Resistance:
Chromium content in the base tube and studs enhances resistance to corrosion in harsh environments, including exposure to flue gases and combustion byproducts.
Durability:
Strong mechanical bonding between the base tube and studs ensures long-term performance under thermal cycling and vibration.
5. Applications
Radiant Coils in Furnaces and Heaters:
Used in radiant sections to absorb heat from combustion gases and transfer it to process fluids.
Boiler Systems:
Ideal for water tube boilers in power plants and refineries.
Petrochemical and Refining Industries:
Commonly used in process heaters, reformers, and cracking furnaces.
High-Temperature Heat Exchangers:
Suitable for heat recovery applications in industrial processes.
6. Advantages
Energy Efficiency: Improves thermal efficiency by maximizing heat transfer in radiant sections.
Longevity: Combines high-temperature resistance and corrosion resistance for long-term durability.
Cost-Effective: Reduces downtime and maintenance costs by providing a reliable and robust heat exchange solution.
Versatility: Suitable for various high-temperature industrial processes.
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...
