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Varnish Surface Welded Construction U Bend Tube DIN1629 / DIN1630 / DIN 17175

Categories U Bend Tube
Place of Origin: Jiangsu China (Mainland)
Brand Name: JIANGSU HUACHENG
Certification: ISO9001 14001 BV TUV PED DNV etc
Model Number: HC
MOQ: 5MT
Packaging Details: Exporting package/wooden box package/Or per customers’ requirement
Delivery Time: 25~35days
Payment Terms: 30%T/T in advance or 100% L/C at sight
Supply Ability: 8000MT/Month
Application: Building|Heat-Exchanger
Certificate: PED|ISO|TUV|BV
Delivery Condition: Annealed|Normalized|Heat treatment|BKS|Tempered|NBK|GBK|BKW|BK
Ends: Plain ends|Bevel ends
Product Name: Steel U Tube
Standard: ASTM A179|ASME SA179|ASTM A210
Surface treatment: Varnish
Technique: Seamless|Cold Drawn|Weld|Welded|ERW
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Varnish Surface Welded Construction U Bend Tube DIN1629 / DIN1630 / DIN 17175

Varnish Surface Welded Construction U Bend Tube DIN1629 / DIN1630 / DIN 17175


Quick Detail:


1,Standards: ASTM A179 (ASME SA179) ASTM A210

2,Grade: A179 A210-A1 T11 T22 T91 T12 etc

Size: (mm)

OD: 25.4mm

WT: 1.65mm

Length: 6 m ~ 25m


Description:


Product: 25.4mm*1.65mm A179 A210-A1 T11 T22 U BEND TUBES FOR HEAT EXCHANGER

Standard and Grade:

ASTM A210/ASME SA210 A1

ASTM A213/ASME T11 T22

A106B/A53B/A179/A192/A200/A333/A335/500
ASME SA106B/A53B/A192/A200/A333/A335/500
BS3059 BS6323-4 BS3602-1
EN10297-1 EN10305-1 EN10216-1 EN10216-2 EN10210-1
DIN1629 DIN1630 DIN 17175 DIN2391 DIN17204 DIN2448
JIS G3452(SGP) JIS G3461JIS G3462 JIS G3454JIS G3455 JIS G3444

Type:Seamless (cold drawn) or ERW

Ends:Plain ends or bevel ends

Delivery Conditions: BK,BKS,BKW,NBK,GBK( As drawn, quenched and tempered, normalized, annealed, stress-relieved)As different requirements,It including pickling,etc. AS per Standard.


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:

ASME SA 213; ASTM A179 ;ASTM A210 etc

Marking: Before Bending By Marking Machine All Over The Tube Length (Bent Section After Heat Treatment Without Marking)

Note: Marking is also possible After Bending On The Straight Parts Of U-Bending Tube.


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.


Customer Specifications.


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)

Note: Other Size Are Available Upon Agreement.

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. With

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

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


Mechanical Properties:


Mechanical properties

Material

Min Tensile strenght

N/mm2

Min. Yield strengh

N/mm2

Min Elongation

%

A179

325

180

35


Standard

Steel grade

Tensile(MPa)

Yield(MPa)

Elongate(%)

Hardenss

20MnG

20MnG

≥415

≥240

≥22


25MnG

25MnG

≥485

≥275

≥20


15CrMoG

15CrMoG

440~640

≥235

≥21


12Cr2MoG

12Cr2MoG

450~600

≥280

≥20


12Cr1MoVG

12Cr1MoVG

470~640

≥255

≥21


12Cr2MoWVTiB

12Cr2MoWVTiB

540~735

≥345

≥18


10Cr9Mo1VNb

10Cr9Mo1VNb

≥585

≥415

≥20


ASME SA210

SA210A-1

≥415

≥255

≥30

≤143HB

SA210C

SA210C

≥485

≥275

≥30

≤179HB

ASME SA213

SA213 T11

≥415

≥205

≥30

≤163HB

SA213 T12

SA213 T12

≥415

≥220

≥30

≤163HB

SA213 T22

SA213 T22

≥415

≥205

≥30

≤163HB

SA213 T23

SA213 T23

≥510

≥400

≥20

≤220HB

SA213 T91

SA213 T91

≥585

≥415

≥20

≤250HB

SA213 T92

SA213 T92

≥620

≥440

≥20

≤250HB

DIN17175

ST45.8/Ⅲ

410~530

≥255

≥21

/

15Mo3

15Mo3

450~600

≥270

≥22


13CrMo44

13CrMo44

440~590

≥290

≥22


10CrMo910

10CrMo910

480~630

≥280

≥20



Applications:


U-bent steel tubes are widely used in heat-exchanger systems. Heat-exchanger equipment on the basis of its essential in strategically importantand critical fields-nuclear and petrochemical machine building.


Competitive Advantage:


Huacheng Industry Pipe Making Corporation

Asia Leading Steel Pipe & Tube Manufacturer with more than 250,000Tons/Year, >60% shipped to more than 35 Countries.We aims at manufacturing quality pipes & tubes with reasonable and competitive price, good quality for our global customers.


Factroy Pictures:


Pipe & Tube Processing

Factory Equipments:


Production Line:

Quality Control:



Steel Pipe & Tube Application:

Package:

Export Standard / Wooden Box

Main Certificates:

PED ISO BV TUV etc.

Main Customers:



Product Tags:

steel u tube

  

Heat-Exchanger U Tube

  
Quality Varnish Surface Welded Construction U Bend Tube DIN1629 / DIN1630 / DIN 17175 for sale
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