Continuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle
  • Air ProContinuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle
  • Air ProContinuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle
  • Air ProContinuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle
  • Air ProContinuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle

Continuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle

Continuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle: 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.

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Product Description

Continuous hairpin welding ASTM A106 SMLS carbon steel U tube bundle


1.Product Details:

Place of Origin:

China

Brand Name:

Baerfu

Certification:

ISO...

Model Number:

U Tube


2.Payment & Shipping Terms:

Minimum Order Quantity:

N/A

Packaging Details:

Solid fumigated wooden box with tube location racks inside.

Delivery Time:

Ex-work within 1 month on receipt of order.

Payment Terms:

T/T, L/C

 

3.Detailed Product Description

Company Type:

Manufacturer, Importer & Exporter

Fin Tube Type:

U Tube Bundles

Fins Type:

Low Fins Is Applicable

Origin:

China

Nearest:

Port Shanghai Port, China

Bends Type:

Continuous

Heat Treatment:

YES

 

 

High Light:

Heat Exchanger Tubular,Heat Exchanger pipe

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

 

4.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 

 

5.Description:  

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

 

6.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

 


7.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.

 

8.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).

 

9.Hydrostatic Test After U Bending: 

Maximum Test Pressure 600 Bar, Soaking 10 Sec. 

Medium:Dematerialized Water. Compressed Air Cleaning After Hydro-Test.

 

10.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.

 

11.Grade and Chemical Composition (%):

STANDARD

GRADE

                           CHEMICAL COMPOSITION

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

    B

0.3

/

1.2

0.05

0.045

0.40

0.15

0.40

0.40

0.08

 


12.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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