ASTM A213 TP321 / 321H , Seamless Stainless Steel U Bend Superheater Tube

ASTM A213/A213M : Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

U-Bend Tubes are accordance with the Following Standards:

1. ASTM A688/ASME SA688

2. ASTM A803/ASME SA803

3. ASTM A556/ASME SA556

Steel Grade:

Straight Tubes Maximum Length:

(Before Bending): 35000 mm.

Unit Leg Length

Min 1 Meter, Max. 16500 mm (For Max R=1500mm)

Heat Treatment

Stress Relieved After U-Bending (Bending Area Plus 300MM For Each Leg).

Hydrostatic Test After U Bending

Maximum Test Pressure 600 Bar, Holding time: 10 Sec.

Medium: Dematerialized Water.

Compressed Air Cleaning After Hydro-Test.

Packaging

In Strong Transport-Worthy Pre-fumigated wooden boxes of corresponding dimensions for

each tube Length, Radius, Diameter, According To PO requirements as well as wrapped In polyethylene

films With soft plastic caps on both end of Tube.

General Quality Tests

Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

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