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ASME SA789 UNS S32205 UNS S31803 UNS S32750 UNS S32760 SAF 2205 2507 Duplex SS Grooved G Type Fin Tubes finned pipes

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Jiangsu Liangyi Co.,Limited
Jiangsu Liangyi Co.,Limited
Province/State: Jiangsu
Country/Region: China
Tel: 86-510-86107550
Contact Person:
Mr Antonio Zhou

ASME SA789 UNS S32205 UNS S31803 UNS S32750 UNS S32760 SAF 2205 2507 Duplex SS Grooved G Type Fin Tubes finned pipes

Brand Name : JSLY
Model Number : finned tubes
Certification : API
Place of Origin : CHINA
MOQ : 1PCS
Price : Depends on the sizes
Payment Terms : T/T,L/C
Supply Ability : 10000 tons
Delivery Time : 15 days
Packaging Details : Plwooden Case
Contact Now
We are professional ASME SA789 UNS S32205 UNS S31803 UNS S32750 UNS S32760 UNS S31500 SAF 2205 2507 Duplex SS Cooper Grooved G Type Fin Tubes Pips Finned Tubes Pipes Tubings from china

ASTM A789 / A789M : Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service


Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530

Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),

UNS32760(1.4501)


Quick Detail:


G Fin Finning Lines: 5 finning machines.

Daily capacity up to 3500 meters.


Tube OD: 50.8mm(2') max.

Tube Length: 18,000mm max.

Fin Height: 16.5 mm max.

Fin Thickness: generally 0.4mm ~0.6mm

Fin Pitch: 2.1 mm (12FPI) min.


Manufacturing process

The aluminum fin strip is tension wound and placed into a groove cut into the tube.


G Fin Fluted Depth:

Appr. 0.4mm.


Surface Protection:

Zinc or Aluminum metalized applied by an electro spray arc system coating.


Acceptance criteria:

API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions.


Accessories

Tube support box, clamp or spacer box (Materials: Aluminum, Zinc and Stainless Steel).


Delivery condition:

Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of G-Fin Embedded Finned Tube.


Packing: The desiccants are put into each package for continental transporation as well.


Applications:


The common application fields are:

  1. Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);
  2. High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);
  3. The petroleum, chemical and petrochemical industries;
  4. The food processing and refrigeration industries;
  5. Natural gas treatment;

Specifications:


Grooved G type Finned Tubes are combined with two different materials.


ItemsGeneral MaterialsPopular ASTM Materials
Core Tube Material

carbon steel, ow-alloy steel,

stainless steel, brass, copper,

cooper-nickel alloys,

aluminum bronze, nickel alloys.

1. Carbon Steel: A179, A192,SA210 Gr A1/C,A106 Gr B

2. Stainless Steel: TP304/304L,TP316/TP316L/316Ti,

A789 S31803/S2205 etc...

3. Copper:UNS12200/UNS14200/UNS70600,

CuNi70/30,CuNi 90/10

Fins Material

1. Aluminum

2. Copper.

1. Aluminum(Alu.1100,Alu.1060)

2. Copper.


All dimensions are in Inches and specification upon your requests.
Tube ODFin HeightFin ThicknessFins per Pitch(Density)
5/83/8,1/2.015/.016/ .0206, 7, 8, 9, 10, 11, 12
3/45/8,1/2.015/.016/ .0206, 7, 8, 9, 10, 11, 12
15/8,1/2.015/.016/ .0206, 7, 8, 9, 10, 11, 12
1 1/45/8,1/2.015/.016/ .0206, 7, 8, 9, 10, 11, 12
1 1/25/8,1/2.015/.016/ .0206, 7, 8, 9, 10, 11, 12
Please email us for more information.

Competitive Advantage:

  1. We have more than 10,000 square meters workshop, including 5 finning machines, daily capacity up to 3,500 meters.
  2. The Grooved G type Finning Machines are designed and assembled by ourselves and we can offer you finning machine and all accessories etc...
  3. The contact of manufacturing Grooved fin tubes is designed for a high wall temperature of up to 350°C.
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