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​

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: 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).

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;

Competitive Advantage:

1. The Grooved G type Finning Machines are designed and assembled by ourselves and we can offer you finning machine and all accessories etc...
2. The contact of manufacturing Grooved fin tubes is designed for a high wall temperature of up to 350°C.

Specifications:

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

About Reliance

Jiangsu Reliance Thermal Equipment Co., Ltd is all about thermal transfer finned tubes products. We have a long-term fabrication and supply experience in the business of FINING MACHINES and FINNED TUBES used in air-cooled heat exchanger, economizers, boilers, gas turbines, refining and petrochemical industries ect.

Advantages

• One-stop manufacturer shop from core tube supply to fin tube machines
• ISO 9001:2015 certified company
• Experienced and dedicated management and qualfied manpower
• Quickest response, competitive price, highese quality and shortest schedule
• Tube stock availability for general grades of carbon steel and stainless steel
• Technical support services for fin tube machines and replacement accessories

FINNED TUBES PRODUCTS & SERVICE AVAILABLE

Fabrication Capacities

(1)  Fourteen extrusion fining lines, daily capacity around 15,000 meters

(2)  Five type L/LL/KL fining lines, daily capacity around 5000 meters

(3)  Seven G- base fining lines, daily capacity around 7000 meters

(4)  Two ERW studding lines, daily capacity around 80000 studs

(5)  Four ERW High Frequency Spiral fining lines, daily capacity around 30 tons

(6)  Three bending machines, maximum capacity 76X4

(7)  Five DC ERW H/HH fining lines, daily capacity around 20 tons

(8)  One PLC high speed punch presser 

Reliance have become a qualified manufacturer and reliable supplier for high-quality thermal transfer finned tubes used in air-cooled heat exchanger,economizers,boilers,gas turbines,refining and petrochemical industries ect.

If you are interested in any of our products, please do not hestitate to contact us @reliancemfg@126.com