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Continuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle

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Continuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle

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Payment Terms:T/T, L/C

Brand Name:Reliance

Model Number:U Tube

Certification:CE,ISO...

Delivery Time:Ex-work within 1 month on receipt of order.

Company Data

JIANGSU RELIANCE THERMAL EQUIPMENT CO., LTD

Verified Supplier

Contact Person Jennifer

Business Type: Manufacturer Importer Exporter Seller

Officials: No.19, Shashan road, Huashi town, Jiangyin city, Jiangsu province, China,214421

Quality: Quality Certifitation Available

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Product Details Company Profile

Product Details

ASTM A106 SMLS carbon steel , continuous hairpin welding steel U tube bundle

Quick Detail:

ASTM A106B/ASME SA106B (Available steel grade: GradeA / B / C).

ASTM 179/ASME SA179

ASTM 192/ASME SA192

ASTM A213 T11 /T22

Tube Type:Seamless (cold drawn)

Tube Ends:Plain ends or bevel ends

Description:

Continuous hairpin welding steel U tube bundle. These tubes are widely used in boilers and economizers.

Grade and Chemical Composition:

Grade	C≤	Mn	P≤	S≤	Si≥	Cr≤	Cu≤	Mo≤	Ni≤	V≤
A	0.25	0.27-0.93	0.035	0.035	0.10	0.40	0.40	0.15	0.40	0.08
B	0.30	0.29-1.06	0.035	0.035	0.10	0.40	0.40	0.15	0.40	0.08
C	0.35	0.29-1.06	0.035	0.035	0.10	0.40	0.40	0.15	0.40	0.08

Factory test and other terms:

1. Hydrostatic or Nondestructive Electric Test

2. Heat Treatment: according to Standard
3. Surface Condition:According to Standard.
4. Grain Size:According to standard
5. Sampling:flattening,flaring,grain size,Marking

6. We provide bevel end,plastic cap, varnish coating, oiled or black painted to prevent rustand other packing

service.

Technical Requirements:

Straight Tubes Standard Specification For Bending:

ASTM A106; ASTM A179 ;ASTM A192 ; ASTM A210 etc

Marking:

Before Bending By Marking Machine All Over The Tube Length

(Bent Section After Heat Treatment Without Marking)

U-Bend Tubes:

-TEMA RCB 2.31 Standard Of The Tubular Exchanger Manufacturers Association (9th Edition).

-ASTM A688/ASME SA688 Standard Specification For Welded Tubes Of Austenitic Corrosion Resistant

Steel Grade Designed For Feed Water Boilers.

-ASTM B163/ASME SA163 Standard Techinical Requirements For Tubes Of Nickel And Nickel Alloy For

Condensers And Heat Exchangers.

Bending Radius:

From 1.5*OD(Outside Diameter) To 1500mm

When Ordering Tubes With Radius less or equal to 1.5*OD, It Is Necessary To Agree Precision Of Geometrics.

Straight Tubes Maximum Length:

(Before Bending): 35000 mm.

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, Soaking 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.

Grade and Chemical Composition (%):

STANDARD	GRADE	CHEMICAL COMPOSITION
STANDARD	GRADE	C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
ASTM A179	A179	≤0.06-0.18	/	0.27-0.63	≤0.035	≤0.035
ASME SA106	SA106B	0.170.25	≥0.1	0.701.00	≤0.030	≤0.030	≤0.035
ASTM A106	A	≤0.25	≤0.10	0.270.93	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	B	≤0.30	≤0.10	0.291.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	C	≤0.35	≤0.10	0.291.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
ASTM A53	A	0.25	/	0.95	0.05	0.045	0.40	0.15	0.40	0.40	0.08
ASTM A53	B	0.3	/	1.2	0.05	0.045	0.40	0.15	0.40	0.40	0.08

Company Profile

JIANGSU RELIANCE THERMAL EQUIPMENT CO., LTD

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

I. Mechanical-forming thermal-transfer tubes

▲ DR type - Extruded high fin tube (solid and serrated fins)

▲ L type - Tension wound spiral fin tube

▲ LL type - Overlapped footed spiral fin tube

▲ KL/KLM type - Tension wound knurled footed fin tube

▲ G base type - Embedded fluted fin tube

▲ Low Fin type - integral low fin tube (knurled option)

▲ I type - Crimped spiral fin tubes

▲ Corrugated tube, spiral tube, U tube bundles

▲ Elliptical Finned Tubes

2. Welding-forming thermal-transfer tubes

▲HFW type - ERW High frequency resistance welding fin tube(Solid & Serrated Fins)

▲H/HH type - DC welding square or rectangular fin tube)

▲Studs type - ERW studded tube)

▲Longitudinal welding fin tube (standard ,perforated,cut & twist)

▲Single Row Flat finned tube

3. Others service on request

▲Elbows, bends, U-tube, tube swaging

▲Tube spacer box (Material: Stainless Steel, Aluminum,Galvanized/Zinc)

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

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