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{"title":"ASTM A179 Carbon Steel Embedded G Fin Tube with Mechanical Cold-Forming Process","imgUrl":"https:\/\/img.chinax.com\/nimg\/42\/4c\/c562817ff5207a41002e5a2d1364-200x200-1\/astm_a179_carbon_steel_embedded_g_fin_tube_with_mechanical_cold_forming_process.jpg","attrs":{"Delivery Time":"35-45 days","Packaging Details":"Ply-wooden Case With Iron Frame","Embedded G Fin Tubes Forming":"Mechanical cold\u2011forming process,Feature: G\u2011shape groove","Embedded G Fin Tubes Packing":"Ply-wooden Case With Iron Frame"}}
{"title":"ASME SA179 Embedded G Fin Tube Steel For Air Cooler \/ Condenser","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/f9\/c409d4b5c50f49bd1e89a4ee6634-200x200-1\/asme_sa179_embedded_g_fin_tube_steel_for_air_cooler_2f_condenser.jpg","attrs":{"Application":"Air cooler, Cooling Tower, Heat Exchanger, Condenser","Type":"Straight Tube , U bend Tube , Coil Tube","Brand Name":"YUHONG","Model Number":"G Fin tube , Embedded Fin tube , Embedded G type fin tube"}}
{"title":"ASME SA210 Gr.A-1 Embedded G Type Fin Tube, Aluminum ASTM B209 Gr.1060, Cooling","imgUrl":"https:\/\/img.chinax.com\/nimg\/3d\/24\/96af1e244910d69fc75d1ea930d3-200x200-1\/asme_sa210_gr_a_1_embedded_g_type_fin_tube_2c_aluminum_astm_b209_gr_1060_2c_cooling_tower_and_heat_exchanger_application.jpg","attrs":{"Fin Type":"Embedded G Type Fin Tube , G Fin tube , Embedded Fin Tube","Fin Material":"ASTM B209, ASME SB209 Aluminum 1060, 1100","Brand Name":"YUHONG","Model Number":"Embedd G Type fin Tube , G Fin Tube , Embedded Fin Tube"}}
{"title":"Monel 400 Embedded G Fin Tube , Base Tube ASME SB163 NO4400, Fin Material Al","imgUrl":"https:\/\/img.chinax.com\/nimg\/ee\/bf\/355ab18e0f6a349760bc728f89b3-200x200-1\/monel_400_embedded_g_fin_tube_2c_base_tube_asme_sb163_no4400_2c_fin_material_al_1060.jpg","attrs":{"Application":"Air cooler, Cooling Tower, Heat Exchanger, Condenser","Brand Name":"YUHONG","Minimum Order Quantity":"1 PC","Base Tube Material Grade":"NO4400 , Monel 400 , 2.4360"}}
{"title":"Stainless Steel Embedded G Fin Tube, ASTM A249 TP304 Welded Tube With Aluminum","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/19\/9754e04bb0ac37f9a3cc6135dac8-200x200-1\/stainless_steel_embedded_g_fin_tube_2c_astm_a249_tp304_welded_tube_with_aluminum_1060_2c_dry_kiln_application.jpg","attrs":{"Appli0cation":"Air cooler, Cooling Tower, Heat Exchanger, Condenser","Brand Name":"YUHONG","Model Number":"G Fin tube , Embedded Fin tube , Embedded G Type Fin Tube","Certification":"ABS, BV, DNV, CCS, LR"}}
{"title":"Embedded G Fin Tube , Carbon Steel ASTM A179 With ASTM B209 Al 1050 For Cooling","imgUrl":"https:\/\/img.chinax.com\/nimg\/08\/45\/0bce3765fe1640e4a1dff74bf555-200x200-1\/embedded_g_fin_tube_2c_carbon_steel_astm_a179_with_astm_b209_al_1050_for_cooling_tower_application.jpg","attrs":{"Base Tube Material Standard":"ASTM A178, ASTM A179, ASME SA179, ASTM A210, ASME SA210","Type":"Straight Tube , U bend Tube , Coil Tube","Base Tube Material Grade":"A179, A192, A-1, C, A214, 10#","Application":"Cooling Tower"}}
ASTM A179 Carbon Steel Embedded G Fin Tube with Mechanical Cold-Forming Process for Boiler Systems Economizers
Embedded G fin tubes are manufactured via a mechanical cold-forming process that creates a permanent, high-strength bond between the fin strip and base tube—no welding or brazing is used. The spiral "G-groove" is precision-machined onto the outer surface of the base tube. A continuous metal fin is tension-wound into the groove, and then the sidewalls of the groove are cold-rolled/backfilled to firmly lock the fin root. This mechanical interlocking ensures excellent thermal conductivity and resistance to vibration and thermal cycling.
ASTM A179 cold-drawn low-carbon seamless tube is the most popular and cost-effective base tube choice for embedded G finned tubes (especially steel-aluminum embedded G finned tubes, most widely used; cost-effective; ≤260°C). ASTM A179 specification covers minimum-wall-thickness tubular heat exchangers, condensers, and similar heat transfer apparatus. Its core advantages lie in four key aspects: processing adaptation, heat transfer, structure, and cost.
Chemical Composition (%) Maximum
Grade
C
Mn
P
S
A179
0.06-0.18
0.27-0.63
0.035
0.035
Mechanical Properties
Grade
Tensile Strength min
Yield Strength min
Elongation in 2" or 50mm min
A179
47ksi (325 MPa)
26ksi (180 MPa)
35%
Product Definition & Advantages
The mechanical forming of embedded G finned tubes creates a permanent, highly conductive bond that requires no welding and provides excellent vibration and thermal cycling resistance for medium- to high-temperature heat transfer applications.
Key Advantages:
Excellent bond strength: mechanical interlocking prevents fins from detaching under vibration and thermal cycling
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. &n... 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. &n...
