A789 UNS2205 Duplex SS & Cooper Fin Tube , OD1'' X 8FPI Grooved G Type G Fin manufacturer from China Jiangyin Reliance International Trade Company

A789 UNS2205 Duplex SS & Cooper Fin Tube , OD1'' X 8FPI Grooved G Type

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: G Fin

A789 UNS2205 Duplex Stainless Steel Tube , OD1'' X 8FPI Grooved G Type Cooper Fin Tube

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A789 UNS2205 Duplex Stainless Steel Tube , OD1'' X 8FPI Grooved G Type Cooper Fin Tube

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:

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

Specifications:

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

Items

General Materials

Popular 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 OD	Fin Height	Fin Thickness	Fins per Pitch(Density)
5/8	3/8,1/2	.015/.016/ .020	6, 7, 8, 9, 10, 11, 12
3/4	5/8,1/2	.015/.016/ .020	6, 7, 8, 9, 10, 11, 12
1	5/8,1/2	.015/.016/ .020	6, 7, 8, 9, 10, 11, 12
1 1/4	5/8,1/2	.015/.016/ .020	6, 7, 8, 9, 10, 11, 12
1 1/2	5/8,1/2	.015/.016/ .020	6, 7, 8, 9, 10, 11, 12
Please email us for more information.

Competitive Advantage:

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