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JIANGSU HAOHUA INDUSTRY GROUP
Tel: +86-512-58220050
Fax: +86-512-58810865
E-mail: sales@haopipe.com
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HIGH-FREQUENCY ELECTRIC WELDED (HFW) PIPES

Description:

Jiangsu Haohua Industry Group as one of the leading suppliers in China to supply HIGH-FREQUENCY ELECTRIC WELDED (HFW) PIPES for petroleum industry and Heat Exchanger industry and Machining Industry etc.
  • Specification
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Description:

 HIGH-FREQUENCY ELECTRIC WELDED (HFW) PIPES

Production Line

This mill produces HFW pipes, square pipes, rectangular pipes and Cold Formed Profile Steel. The mill is equipped with Thermatool's 600KW high frequency welding system and medium frequency heat treatment system, Krautkramer's multi-channel online seam UT tester, Joy Sound's hydrostatic tester, Guild International's shear and welder, super coil accumulator, Pacific's computerized cutting machine and Chicago Roll's rollers system. This is a highly automatic and stable mill.

Specifications     
Outside Diameter
Φ114mm- Φ356mm (4"- 14")
Wall Thickness
3.0- 12.7mm (1/8"- 1/2")
Quality Standards
APIDNVISODEPENASTMDINBSJISGB
Length
3-12.2m (10'- 40')
Grades
GB/T9711 L190-L555 (API 5L A-X80)

PRODUCT RANGE

Pipe O.D

W.T.

Length(m)

Min.Yield Strength(Mpa)

In.

Mm

245(B)

290

(X42)

360

(X52)

415

(X60)

450

(X65)

485

(X70)

555(X80)

 

4 1/2

114.3

3.0-8.7

3.0-8.7

3.0-8.1

3.0-7.6

3.0-7.3

3.0-7.1

3.0-6.4

6.0-12.2

5 9/16

141.3

3.2-9.5

3.2-9.5

3.2-8.7

3.2-8.1

3.2-7.8

3.2-7.6

3.2-7.1

6.0-12.2

6 5/8

168.3

3.4-11.1

3.4-11.1

3.4-10.3

3.4-9.5

3.4-9.1

3.4-8.7

3.4-7.8

6.0-12.2

7 5/8

193.7

3.6-11.5

3.6-11.5

3.6-10.5

3.6-9.8

3.6-9.2

3.6-9.0

3.6-8.1

6.0-12.2

8 5/8

219.1

3.8-11.9

3.8-11.9

3.8-11.1

3.8-10.3

3.8-9.8

3.8-9.5

3.8-8.7

6.0-12.2

10 3/4

273.1

4.3-12.7

4.3-12.7

4.3-11.9

4.3-11.1

4.3-10.7

4.3-10.3

4.3-9.6

6.0-12.2

12 3/4

323.9

4.8-12.7

4.8-12.7

4.8-11.9

4.8-11.1

4.8-10.7

4.8-10.3

4.8-9.6

6.0-12.2

13 3/8

339.7

5.2-12.7

5.2-12.7

5.2-11.9

5.2-11.1

5.2-10.7

5.2-10.3

5.2-9.6

6.0-12.2

14

355.6

5.6-12.7

5.6-12.7

5.6-11.9

5.6-11.1

5.6-10.7

5.6-10.3

5.6-9.6

6.0-12.2

 

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JIANGSU HAOHUA INDUSTRY GROUP
Tel: 0086-512-58220050 Fax:0086-512-58810865 E-mail: sales@haopipe.com
Add: No.17,Southeastern Avenue, Economic Development Zone (South Area),Zhangjiagang City, Jiangsu Province, China.