A789 UNS2205 duplex stainless steel with cooper Fin Tube , OD1'' , 8FPI Grooved G Type
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A789 UNS2205 duplex stainless steel with cooper Fin Tube , OD1'' , 8FPI Grooved G Type

A789 UNS2205 duplex stainless steel with cooper Fin Tube , OD1'' , 8FPI Grooved G Type: Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of extruded bimetallic fin tube.

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Product Description

A789 UNS2205 duplex stainless steel with cooper Fin Tube , OD1'' , 8FPI Grooved G Type


1.Product Details:

Place of Origin:

China.

Brand Name:

Baerfu

Certification:

ISO...

Model Number:

G Fin


2.Payment & Shipping Terms:

Minimum Order Quantity:

N/A

Price:

N/A

Packaging Details:

(1) Steel frame case sealed by plywoods with each end capped;(2) Solid fumigated wooden box with each end capped.

Delivery Time:

Ex-work with 1 month after order

Payment Terms:

T/T, L/C

Supply Ability:

Daily capacity up to 7,000 meters.


3.Detailed Product Description

Compamy Type:

Manufacturer, Importer & Exporter

Fin Tube Type:

Grooved Fin Tube,G-Fin Fin Tube

Fins Type:

Solid, Plain

Tube Material:

Carbon Steel, Stainless Steel, Copper Etc...No Limit

Fin Material:

Aluminum, Copper And Steel

Tube Length:

No Limit

Tube OD:

Min. 12.7mm

Fin Height:

Max. 16mm

Fin Thk:

0.4mm Average

Tube Wall Thk:

Min. 1.65mm

Fin Pitch:

Min. 12FPI

Spacer Box:

Alu.5052 /Stainless Steel / Zinc

High Light:

Finned Copper Tube,Finned Tubing


A789 UNS2205 duplex stainless steel with cooper Fin Tube , OD1'' , 8FPI Grooved G Type

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)


4.Quick Detail:

G Fin Finning Lines: 7 finning machines.

Daily capacity up to 7,000 meters.

Tube OD: 50.8mm(2'') max.

Tube Length : No limit

Fin Height: ~16 mm max.

Fin Thk.: 0.4mm average, regular thickness is 0.25mm~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( if necessary)

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).

 

5.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.

 

6.Packing: 

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

 

7.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;

■ Competitive Advantage:

■ 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.


8.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.

3. Steel

1. Aluminum(Alu.1100/1060/1050)

2. Copper.

3. Steel

 

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


9.FAQ:

 

 Q

 A

01

How many days you need to install the equipment?                                  

30 days.

02

How many staff abroad you sent to install the equipment?

3 persons.

03

Can I delivery the goods from other supplier to your factory? Then load together?

Yes.

04

Can the equipment be installed under hot weather?

Yes.

05

Can Your products be installed under the cold weather?

Yes.

06

Can I only buy some spare parts from you?

Yes.

07

Will you participate in the exhibition?

Will do .

08

How long it takes you to provide the designing options for us?

1-2 working days .

09

What is your products standardization?

National standard .

10

How do you pack the equipment?

Wooden box .

11

Can you can design the equipment according to our size?

Yes.

12

How many years have your company made this kind of equipment?

13 years .

13

Which certificate do you have for your equipment?

ISO

14

Do you have any real project pictures of the equipment?

Yes.

15

How far is your factory from the airport?

50 minutes .

16

How long it will take from guangzhou to your factory?

2 hours by plane, 9-10 hours by high-speed rail.

17

Do you provide sample? Free or charge?

Samples can be provided, charges are required.

18 

What is your term of payment?

30% prepaid, paid in full before shipment.

19

What is your MOQ?

100 pcs .

20

Are you a trading company or a manufacturer?

Manufacturer.

21

How long is your delivery time?

40 days .

22

How many production lines in your factory?

7 high-frequency resistance welding spiral fin tube production lines, 

3 tube bending machines, 

18 rolling extruders,

12 aluminum fin winding and inlaying machines.





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