ERW / SSAW / LSAW Offshore / Structure Steel Pipe with Big Diameter, Welded Pipe

ERW / SSAW / LSAW Offshore / Structure Steel Pipe with Big Diameter, Welded Pipe

LSAW Steel Pipe For Oil & Gas pipeline
LSAW Steel Pipe For Construction
Roller Pipe
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Product Details

We are a modern enterprise with unified and standardized management mechanism and advanced production equipment. We have also established a complete quality assurance system to ensure the good reputation and the excellent quality of Blind pipe Flanges, 4140 Alloy Steel Wire, Hot Dipped Galvanized Steel Pipe. We abides by the idea of 'Grow with customer' and philosophy of 'Customer-oriented' to achieve cooperation of mutual trust and benefit. So we have changed our mind, from home to abroad, hope to give our customers more profit, and looking forward to more chance to make business. During the development, our company has built a well-known brand.

LSAW steel pipes are taking the steel plate as raw material, mold it by the molding machine, then do double-sided submerged arc welding. Through this process, the LSAW steel pipe will get excellent ductility, weld toughness, uniformity, plasticity, and great sealing.

The LSAW steel pipes  ordered by the customer has been loaded and shipped

1.Outside Diameter:Φ508mm- 1118mm (20"- 44")

2.Wall Thickness: 6.0-25.4mm 1/4"-1"

3.Quality Standards: API、EN、ASTM、DIN、BS、JIS、GB

4.Length: 5.8-12.3m

5.Grades: API 5L A-X90,GB/T9711 L190-L625 

Chemical Composition and Mechanical Properties of LSAW Steel Pipe

Standard

Grade

Chemical Composition(max)%

Mechanical Properties(min)

C

Mn

Si

S

P

Yield Strength

(Mpa)

Tensile Strength

(Mpa)

GB/T700-2006

A

0.22

1.4

0.35

0.050

0.045

235

370

B

0.2

1.4

0.35

0.045

0.045

235

370

C

0.17

1.4

0.35

0.040

0.040

235

370

D

0.17

1.4

0.35

0.035

0.035

235

370

GB/T1591-2009

A

0.2

1.7

0.5

0.035

0.035

345

470

B

0.2

1.7

0.5

0.030

0.030

345

470

C

0.2

1.7

0.5

0.030

0.030

345

470

BS En10025

S235JR

0.17

1.4

-

0.035

0.035

235

360

S275JR

0.21

1.5

-

0.035

0.035

275

410

S355JR

0.24

1.6

-

0.035

0.035

355

470

DIN 17100

ST37-2

0.2

-

-

0.050

0.050

225

340

ST44-2

0.21

-

-

0.050

0.050

265

410

ST52-3

0.2

1.6

0.55

0.040

0.040

345

490

JIS G3101

SS400

-

-

-

0.050

0.050

235

400

SS490

-

-

-

0.050

0.050

275

490

API 5L PSL1

A

0.22

0.9

-

0.03

0.03

210

335

B

0.26

1.2

-

0.03

0.03

245

415

X42

0.26

1.3

-

0.03

0.03

290

415

X46

0.26

1.4

-

0.03

0.03

320

435

X52

0.26

1.4

-

0.03

0.03

360

460

X56

0.26

1.1

-

0.03

0.03

390

490

X60

0.26

1.4

-

0.03

0.03

415

520

X65

0.26

1.45

-

0.03

0.03

450

535

X70

0.26

1.65

-

0.03

0.03

585

570

LSAW steel pipes length range from 3 m to 15 m. The maximum length of the LSAW steel pipe is 15 m. If you want longer it should choose the T-Welded pipe.LSAW pipe’s diameter range normally from 16 inches (406.4 mm) to 60 inches (1524.0 mm). Wall thickness from 6.0 mm to 30.0 mm. Good performances on high-pressure resistance, and low-temperature corrosion resistance.

LSAW steel pipes have been widely applied in the oil and gas pipelines, especially required large diameter and thick wall pipe with high strength and long-distance. Meanwhile in construction of a structure that needs tough strength, water treatment, thermal industry, bridge building, etc.

If you require further information or you do not see what yo need in our web,please do not hesitate to contact us. Our customer service specialists will be happy to help you.info@jiade-group.com

Our ERW / SSAW / LSAW Offshore / Structure Steel Pipe with Big Diameter, Welded Pipe has won the reliance of many new and old customers at home and abroad with its good product quality and thoughtful after-sales service. As the concept: 'All rivers run into sea then well established and vigorously developing.', we hope to expand the market in cooperation with clients. We have won the trust of our customers with our multi-variety operating characteristics and the principle of small profits but quick turnover. While providing customers with innovative products and quality services, we also look forward to becoming a long-term partner of our customers.
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