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Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers

Quantité De Produit: 1 tonnes
Prix: 800-1000 USD/Tons
Emballage Standard: En paquets ou dans des boîtes en bois.
Période De Livraison: 20 à 30 jours sur les produits
Méthode De Paiement: LC, D/A, D/P, T/T, Western Union, MoneyGram
Capacité D'approvisionnement: 60000 tonnes / tonnes par an
Informations détaillées
Lieu d'origine
Zhejiang / Chine
Nom de marque
TORICH
Certification
ISO9001, ISO14001, TS16949
Numéro de modèle
Tube à ailettes intégré de type G en acier inoxydable
Application:
Échangeurs de chaleur
Technique:
Laminé à chaud, étiré à froid, laminé à froid
Épaisseur:
0,6 - 50,0 mm
Standard:
ASTM
Alliage ou pas:
Non-alliage
Forme de section:
Rond
Secondaire ou non:
Non secondaire
Diamètre extérieur (rond):
10.3 - 813 mm
Grade:
304 304L 316 316L 2205
Matériel:
Acier inoxydable
Taper:
tube soudé en acier inoxydable dans l'échangeur de chaleur du tube
Longueur:
6 mètres ou comme demande des clients, 5,8-12 m
Description du produit

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 0

 

Stainless Steel G-Type Embedded Finned Tubes for Heat Exchangers

Material

This product is a G-type embedded finned tube, wherein fin strips are tension-wound and embedded into helically machined grooves on the outer surface of the base tube, then back-filled with the base-tube material to secure the fins.
For the “stainless steel version”, the base (core) tube is produced from stainless steel (such as TP 304, TP 316, duplex stainless steel, etc.), while the fin material may be aluminum, copper or steel, depending on duty.
The embedded fin design offers enhanced heat-transfer surface area and excellent mechanical bonding between fin and tube, reducing contact thermal resistance and improving reliability in high‐temperature, high‐velocity environments.

Specification

Typical specification for stainless steel G-type embedded finned tubes:

  • Base tube outer diameter (OD): ~ 16 mm up to ~ 51 mm (or larger on special order)

  • Base tube wall thickness: ~ 2.11 mm to 3.5 mm for G‐type fins

  • Fin height: up to ~ 17 mm in many cases

  • Fin thickness: typically ~ 0.4 mm to 0.6 mm

  • Fin pitch (spacing): e.g., ~ 2.1 mm minimum for some designs (≈12 FPI)

  • Tube lengths: up to ~18 000 mm (18 m) or more by special order

  • Material combinations: Tube: stainless steel (e.g., TP 304/304L, TP 316/316L, duplex S31803/S2205); Fin: aluminum 1100/1060, copper, steel

  • Surface protection: bare tube ends may be metallized (zinc or aluminum) or coated for corrosion resistance

Major Features

  • High heat transfer performance: The embedded fin design provides a large contact area between fin and tube, low thermal resistance and enhanced outer‐surface area for heat exchange.

  • Secure mechanical bond: Because the fin is embedded and back-filled, the fin-to-tube connection is very tight, resisting loosening or detachment under thermal cycling, vibration or high velocity air/gas flows.

  • Good corrosion and high-temperature resistance: Using stainless steel base tubes, the product supports long‐term use in corrosive or high‐temperature environments (depending on grade).

  • Customizable to duty: Fin height, pitch, thickness, tube diameter, material combinations may be tailored to specific heat‐exchanger duties (air-cooled exchangers, condensers, fin‐fan coolers, etc.).

  • Robust manufacturing and testing: Includes chemical composition analysis, mechanical properties (tensile, yield, elongation, hardness, flattening etc.), surface/dimension inspections, non‐destructive tests (NDT), hydrostatic tests.

Our Advantages

From a factory/manufacturer perspective, we address the key concerns that customers raise and offer solutions accordingly:

  1. Fin‐to‐tube bonding integrity: Customers worry about fin strips detaching under thermal cycling, vibration or high‐velocity flows. Our embedded groove + back-fill process ensures a mechanically locked fin foot, maximizing contact area and finish flatness to achieve consistent fin adhesion.

  2. Dimensional tolerance and straightness: Straightness of tube and fin alignment are critical for fin‐fan coolers and air‐cooled heat exchangers where vibration and air flow stress may occur. We control tube straightness to tight tolerances, inspect fin‐height and pitch in‐line, and ensure no burrs or fin foot protrusions.

  3. Corrosion resistance and high‐temperature service: Especially for stainless steel tubes in petrochemical, power generation, waste‐incineration environments, we select appropriate stainless grades (TP 316/316L, duplex S31803 etc), ensure proper solution anneal and finish, and apply protective end coatings or metallizing where required.

  4. Customization and batch consistency: We manufacture to API standards (such as API 661 for air-cooled exchangers) or customer’s TDC (technical delivery conditions), and document chemical/mechanical certificates for each lot.

  5. Comprehensive testing and quality assurance: We perform full chemical analyses, mechanical tests, NDT (eddy current, visual, dimensional), hydrostatic pressure tests, and maintain traceability for each piece. Customers thus get documented assurance of performance and reliability.

Chemical Composition

Below is a comparative table of five relevant stainless grades commonly used for base tubes in the embedded finned tubes market, along with their typical chemical compositions (mass %) as per relevant standards:

Grade C Si Mn P S Cr Ni Mo Remarks
TP 304 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0-20.0 8.0-11.0 Common austenitic grade for general heat exchangers
TP 304L ≤0.035 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0-20.0 8.0-13.0 Lower carbon for improved weldability
TP 316 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0-18.0 10.0-14.0 2.0-3.0 Molybdenum grade for corrosion resistance
TP 316L ≤0.035 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0-18.0 10.0-15.0 2.0-3.0 Low carbon version for improved weld corrosion resistance
Duplex S31803 / S2205 ≤0.03 ≤1.00 ≤2.00 ≤0.04 ≤0.015 22-24 4-6 3-3.5 Duplex structure for high strength and corrosion resistance

Mechanical Properties

Below is a comparative table of five relevant stainless grades and representative mechanical properties (room temperature, annealed/solution‐treated condition):

Grade Tensile Strength (Rm, MPa) Yield Strength (0.2% Rp0.2, MPa) Elongation (%)
TP 304 ≥ 515 MPa ≥ 205 MPa ≥ 35 %
TP 304L ≥ 485 MPa ≥ 170 MPa ≥ 35 %
TP 316 ≥ 515 MPa ≥ 205 MPa ≥ 40 %
TP 316L ≥ 485 MPa ≥ 170 MPa ≥ 35 %
Duplex S31803 / S2205 650-800 MPa 450-550 MPa 25-30 %

Applicable Standards

  • ASTM A312 – Seamless and welded austenitic stainless steel pipes/tubes

  • API 661 – Air-Cooled Heat Exchangers for General Refinery Service

  • EN / GOST / JIS equivalents applicable upon request

  • Manufacturer or client TDC (Technical Delivery Conditions) may apply

Application Fields

Broad application domain

These stainless steel G-type embedded finned tubes are widely used in heat‐exchanger equipment where enhanced heat transfer from a tube to an outer gas or air stream is required, especially in corrosive, high temperature or high velocity environments. Example sectors: petrochemical plants, natural gas treatment, steel industry (blast-furnace, converter systems), power generation (thermal/nuclear), HVAC/air-conditioning, waste-incineration, compressor coolers, etc.

Specific usage in application domain

  • Petroleum / chemical / petrochemical industry: Embedded finned tubes serve in air-cooled condensers or coolers of process streams, where finned tube bundles allow compact design with high heat transfer efficiency.

  • Natural gas treatment: For gas coolers, waste-heat recovery, finned tubes handle large air volumes on the fin side and gas or fluid in the tube side.

  • Steel industry – blast furnace / converter systems: Exhaust gas cooling, dust removal and waste heat recovery often utilize finned tubes exposed to hot gases and vibration; embedded fins help ensure durability.

  • Power generation – steam turbine exhaust / condensers: Fin-fan coolers with embedded finned tubes condense steam or cool condensate water by air, requiring high surface area and corrosion resistance.

  • Air-conditioning / HVAC: Although many HVAC finned tubes are simpler, high performance embedded fin tubes may be applied in chillers, rooftop units or large scale air-cooled heat exchangers.

  • Waste incineration equipment / compressor coolers: Where hot air/gas streams and high velocities are present, the robust bonding of embedded fins helps ensure long-term service.

 
 

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 1

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 2     Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 3

 

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 4     Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 5

 

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 6

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 7

 

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

 

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

 

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

 

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

produits
DéTAILS DES PRODUITS
Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers
Quantité De Produit: 1 tonnes
Prix: 800-1000 USD/Tons
Emballage Standard: En paquets ou dans des boîtes en bois.
Période De Livraison: 20 à 30 jours sur les produits
Méthode De Paiement: LC, D/A, D/P, T/T, Western Union, MoneyGram
Capacité D'approvisionnement: 60000 tonnes / tonnes par an
Informations détaillées
Lieu d'origine
Zhejiang / Chine
Nom de marque
TORICH
Certification
ISO9001, ISO14001, TS16949
Numéro de modèle
Tube à ailettes intégré de type G en acier inoxydable
Application:
Échangeurs de chaleur
Technique:
Laminé à chaud, étiré à froid, laminé à froid
Épaisseur:
0,6 - 50,0 mm
Standard:
ASTM
Alliage ou pas:
Non-alliage
Forme de section:
Rond
Secondaire ou non:
Non secondaire
Diamètre extérieur (rond):
10.3 - 813 mm
Grade:
304 304L 316 316L 2205
Matériel:
Acier inoxydable
Taper:
tube soudé en acier inoxydable dans l'échangeur de chaleur du tube
Longueur:
6 mètres ou comme demande des clients, 5,8-12 m
Quantité de commande min:
1 tonnes
Prix:
800-1000 USD/Tons
Détails d'emballage:
En paquets ou dans des boîtes en bois.
Délai de livraison:
20 à 30 jours sur les produits
Conditions de paiement:
LC, D/A, D/P, T/T, Western Union, MoneyGram
Capacité d'approvisionnement:
60000 tonnes / tonnes par an
Description du produit

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 0

 

Stainless Steel G-Type Embedded Finned Tubes for Heat Exchangers

Material

This product is a G-type embedded finned tube, wherein fin strips are tension-wound and embedded into helically machined grooves on the outer surface of the base tube, then back-filled with the base-tube material to secure the fins.
For the “stainless steel version”, the base (core) tube is produced from stainless steel (such as TP 304, TP 316, duplex stainless steel, etc.), while the fin material may be aluminum, copper or steel, depending on duty.
The embedded fin design offers enhanced heat-transfer surface area and excellent mechanical bonding between fin and tube, reducing contact thermal resistance and improving reliability in high‐temperature, high‐velocity environments.

Specification

Typical specification for stainless steel G-type embedded finned tubes:

  • Base tube outer diameter (OD): ~ 16 mm up to ~ 51 mm (or larger on special order)

  • Base tube wall thickness: ~ 2.11 mm to 3.5 mm for G‐type fins

  • Fin height: up to ~ 17 mm in many cases

  • Fin thickness: typically ~ 0.4 mm to 0.6 mm

  • Fin pitch (spacing): e.g., ~ 2.1 mm minimum for some designs (≈12 FPI)

  • Tube lengths: up to ~18 000 mm (18 m) or more by special order

  • Material combinations: Tube: stainless steel (e.g., TP 304/304L, TP 316/316L, duplex S31803/S2205); Fin: aluminum 1100/1060, copper, steel

  • Surface protection: bare tube ends may be metallized (zinc or aluminum) or coated for corrosion resistance

Major Features

  • High heat transfer performance: The embedded fin design provides a large contact area between fin and tube, low thermal resistance and enhanced outer‐surface area for heat exchange.

  • Secure mechanical bond: Because the fin is embedded and back-filled, the fin-to-tube connection is very tight, resisting loosening or detachment under thermal cycling, vibration or high velocity air/gas flows.

  • Good corrosion and high-temperature resistance: Using stainless steel base tubes, the product supports long‐term use in corrosive or high‐temperature environments (depending on grade).

  • Customizable to duty: Fin height, pitch, thickness, tube diameter, material combinations may be tailored to specific heat‐exchanger duties (air-cooled exchangers, condensers, fin‐fan coolers, etc.).

  • Robust manufacturing and testing: Includes chemical composition analysis, mechanical properties (tensile, yield, elongation, hardness, flattening etc.), surface/dimension inspections, non‐destructive tests (NDT), hydrostatic tests.

Our Advantages

From a factory/manufacturer perspective, we address the key concerns that customers raise and offer solutions accordingly:

  1. Fin‐to‐tube bonding integrity: Customers worry about fin strips detaching under thermal cycling, vibration or high‐velocity flows. Our embedded groove + back-fill process ensures a mechanically locked fin foot, maximizing contact area and finish flatness to achieve consistent fin adhesion.

  2. Dimensional tolerance and straightness: Straightness of tube and fin alignment are critical for fin‐fan coolers and air‐cooled heat exchangers where vibration and air flow stress may occur. We control tube straightness to tight tolerances, inspect fin‐height and pitch in‐line, and ensure no burrs or fin foot protrusions.

  3. Corrosion resistance and high‐temperature service: Especially for stainless steel tubes in petrochemical, power generation, waste‐incineration environments, we select appropriate stainless grades (TP 316/316L, duplex S31803 etc), ensure proper solution anneal and finish, and apply protective end coatings or metallizing where required.

  4. Customization and batch consistency: We manufacture to API standards (such as API 661 for air-cooled exchangers) or customer’s TDC (technical delivery conditions), and document chemical/mechanical certificates for each lot.

  5. Comprehensive testing and quality assurance: We perform full chemical analyses, mechanical tests, NDT (eddy current, visual, dimensional), hydrostatic pressure tests, and maintain traceability for each piece. Customers thus get documented assurance of performance and reliability.

Chemical Composition

Below is a comparative table of five relevant stainless grades commonly used for base tubes in the embedded finned tubes market, along with their typical chemical compositions (mass %) as per relevant standards:

Grade C Si Mn P S Cr Ni Mo Remarks
TP 304 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0-20.0 8.0-11.0 Common austenitic grade for general heat exchangers
TP 304L ≤0.035 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0-20.0 8.0-13.0 Lower carbon for improved weldability
TP 316 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0-18.0 10.0-14.0 2.0-3.0 Molybdenum grade for corrosion resistance
TP 316L ≤0.035 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0-18.0 10.0-15.0 2.0-3.0 Low carbon version for improved weld corrosion resistance
Duplex S31803 / S2205 ≤0.03 ≤1.00 ≤2.00 ≤0.04 ≤0.015 22-24 4-6 3-3.5 Duplex structure for high strength and corrosion resistance

Mechanical Properties

Below is a comparative table of five relevant stainless grades and representative mechanical properties (room temperature, annealed/solution‐treated condition):

Grade Tensile Strength (Rm, MPa) Yield Strength (0.2% Rp0.2, MPa) Elongation (%)
TP 304 ≥ 515 MPa ≥ 205 MPa ≥ 35 %
TP 304L ≥ 485 MPa ≥ 170 MPa ≥ 35 %
TP 316 ≥ 515 MPa ≥ 205 MPa ≥ 40 %
TP 316L ≥ 485 MPa ≥ 170 MPa ≥ 35 %
Duplex S31803 / S2205 650-800 MPa 450-550 MPa 25-30 %

Applicable Standards

  • ASTM A312 – Seamless and welded austenitic stainless steel pipes/tubes

  • API 661 – Air-Cooled Heat Exchangers for General Refinery Service

  • EN / GOST / JIS equivalents applicable upon request

  • Manufacturer or client TDC (Technical Delivery Conditions) may apply

Application Fields

Broad application domain

These stainless steel G-type embedded finned tubes are widely used in heat‐exchanger equipment where enhanced heat transfer from a tube to an outer gas or air stream is required, especially in corrosive, high temperature or high velocity environments. Example sectors: petrochemical plants, natural gas treatment, steel industry (blast-furnace, converter systems), power generation (thermal/nuclear), HVAC/air-conditioning, waste-incineration, compressor coolers, etc.

Specific usage in application domain

  • Petroleum / chemical / petrochemical industry: Embedded finned tubes serve in air-cooled condensers or coolers of process streams, where finned tube bundles allow compact design with high heat transfer efficiency.

  • Natural gas treatment: For gas coolers, waste-heat recovery, finned tubes handle large air volumes on the fin side and gas or fluid in the tube side.

  • Steel industry – blast furnace / converter systems: Exhaust gas cooling, dust removal and waste heat recovery often utilize finned tubes exposed to hot gases and vibration; embedded fins help ensure durability.

  • Power generation – steam turbine exhaust / condensers: Fin-fan coolers with embedded finned tubes condense steam or cool condensate water by air, requiring high surface area and corrosion resistance.

  • Air-conditioning / HVAC: Although many HVAC finned tubes are simpler, high performance embedded fin tubes may be applied in chillers, rooftop units or large scale air-cooled heat exchangers.

  • Waste incineration equipment / compressor coolers: Where hot air/gas streams and high velocities are present, the robust bonding of embedded fins helps ensure long-term service.

 
 

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 1

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 2     Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 3

 

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 4     Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 5

 

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 6

Stainless Steel G-Type Embedded Finned Tubes For Heat Exchangers 7

 

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

 

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

 

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

 

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.