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φ630x20mm API pipe mill

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Brief introduction of ERW high precision tube rolling mill

  • General introduction
  • This agreement covers uncoiler, straight-head leveler, shearing butt welding machine, spiral looper, forming machine, welding machine, sizing machine, washing and cutting flying serratus, online flaw detection, flat head, water pressure, flattening experiment , Focusing on a series of complete sets of equipment such as length measurement, are described, which is the technical agreement for some equipment of the ¢630API welded pipe production line.
  • Improve operation performance and production performance
  • Meet the safety of low-volume and multi-variety production
  • Improve the operating environment and safety
  • Improve the stability of product quality
  • Improve the yield of products
  • Reduce the cost of equipment
  • First, according to the above design guidelines, this production line adopts South Korean milltech company's molding technology in the key unit molding process and frame equipment.

Second, advanced pass design software, finite element analysis of the force, stress and strain of each frame:

Using genuine German COPRA pass design software, by analyzing the strain of the cold-formed profile forming process, the most suitable cold-forming process and modification pass can be determined before the roll is manufactured. The finite element simulation technology can be used to simulate cold During the bending forming process, the roll design is optimized, and the stress-strain simulation is used to check whether the design has dangerous areas that are prone to defects.

Third, quick roll change device

In order to reduce the roll change time when changing specifications, two methods are used to save time,

1. Another set of horizontal roller shaft system is prepared. When changing the rollers, only the horizontal shaft on the frame is lifted out, and the set of horizontal roller shafts can be installed for production.

2. The drive shaft quick release device, the drive shaft is quickly disconnected from the end of the horizontal shaft by moving the frame, saving time.

 

  • Specifications

1. Technical standards: API 5L API 5CT GB/T 3091 JIS G3452 JIS G3444 JIS G3445 ASTM A513 EN 10219

2. Steel grade:

Line pipe: A, B, X42, X46, X52, X56, X60, X65, X70, X80

Oil casing: H40, J55, K55, N80

Structural tube: Q215, Q235, Q295, Q345, 20#

Table 1 PSL1 steel grade and performance requirements in the line pipe specification (API Spec 5L)

Product specification level.

grade

tensile strength(MPa)

Yield Strength(Mpa)

Elongation

Min

Min

PSL1

A25

310

172

Find API SPEC 5L

 

A

331

207

B

414

241

X42

414

290

X46

434

317

X52

455

359

X56

490

386

X60

517

414

X65

531

448

X70

565

483

 

Table 2 PSL2 steel grade and performance requirements in the line pipe specification (API Spec 5L)

Product specification level.

grade

tensile strength(Mpa)

Yield Strength(Mpa)

Elongation(%)

Min

Max

Min

Max

PLS2

B

414

758

241

448

Find API SPEC 5L

 

X42

414

758

290

496

X46

434

758

317

524

X52

455

758

359

531

X56

490

758

386

544

X60

517

758

414

565

 

Table 3 Casing and tubing performance

Group

Steel grade

type

Production method

Heat treatment

Yield Strength(Mpa)

tensile strength(Mpa)

 

 

 

 

 

min

max

min

1

H-40

 

S or EW

 

276

552

414

J55

 

S or EW

N, N&T, Q&T

379

552

517

K55

 

S or EW

N, N&T, Q&T

379

552

655

 

3. Raw material

OD:Ø1500mm~Ø2300mm

ID:Ø760mm

COIL WEIGHT:Max.35 Ton

STEEL WIDTH:680mm~2000mm

STEEL THICKNESS:4.0mm~20.0mm  

GRADE:MAX J55、K55、X60And carbon structural steel, etc.(≦400N/mm2)

5. PIPE SIZE

OD: Ø 219.1mm~Ø 630.0mm

LEGTH:4~18.5M

SPEED:    12~35 M/Min

 

Production Process
Scroll up → Uncoil → Flattening → End Shear & Butt Welding → Accumulator → Forming → High-frequency induction welding→ Removing external burr → Cooling → Sizing → Cutting → Checking & Collecting → Accessing Warehouse

 

 

ERW Tube Mill Other Model

Model

Diameter Range

Pipe Thickness

Molding speed(m/min)

Motor PowerKW

Mechanical
area

HG20

8-20MM

0.3-1MM

30-120

55

7×50

HG32

12-32MM

0.3-2.0MM

30-120

75

7×50

HG50

16-50MM

0.8-2.5MM

30-110

110

7×60

HG60

20-60MM

0.8-3MM

30-100

132

7×65

HG76

12-76MM

1-3MM

30-100

320

8×80

HG89

32-89MM

1-4MM

30-80

350

8×80

HG114

45-114MM

1.5-5.0MM

30-60

400

10×100

HG165

60-165MM

3-7MM

30-50

600

10×110

HG219

114-219MM

4-8MM

20-40

800

12×150

HG273

114-273MM

4-10MM

15-30

1000

18×160

HG325

165-325MM

4-12MM

10-30

1200

18×180

HG426

165-426MM

4-16MM

8-25

1400

18×180

HG508

219-508MM

4-20MM

8-20

2000

21×180

 

 

Our Services

1.) We will send the engineer for  the installation and training your workers how to operate this machine in correct way.
2.)  Warranty Team
One year quality guarantee, life guarantee repair.  Within quality guarantee period, except for failures caused by human error, repair parts will be provided for free. After the quality guarantee period, only charge the cost of the spare parts.
3.)  We supply the pre-sell and after-sell service.
pre-sell service: workshop design, and production output design
after-sell service: installation and training, and the skilled engineer for working.
4.)  We can also sent the engineer working for you serval months or 1 year. The engineer will help you to improve the output, reduce the waste and decrease the cost.
5.)  We supply the pre-sell service-Design for whole project for stainless steel pipe making/ carbon steel pipe making.
6.) We will be responsible for the loading and shipping.

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Tengtian

Add: No.15,Shanqian Road,Economic Development Zone,Hebei,China
Mobile Number:
+86 18233100172
Tel: +86-311-83025332
Email: pipemill@sjzztsd.com

Wechat/Whatsapp: +86 18233100172

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