Longitudinal Submerged Arc Welded Steel pipes

LSAW (Longitudinal submerge arc welding) carbon steel pipe is a type of SAW pipe made of steel plates that were hot rolled by JCOE or UOE forming technology.

Additional information

Grade

API 5L A-X100, GB/T9711 L190-L690

Length

3-12.5m ( 10"- 41" )

Process Technique

longitudinal submerged arc welding, Welded

Size

Φ406mm- 1626mm

Standard

API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA

Thickness

6.0- 75mm (1/4" – 3" )

Product Details:

JS LSAW Steel Pipe (longitudinal submerged arc welded pipe )

Straight Seam Submerged Arc Welded Steel Pipe

Standard Specification
ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded, and Seamless
API 5L Specification for Line Pipe(Two levels PSL 1 and PSL 2 of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.)
A252 Standard Specification for Welded and Seamless Steel Pipe Piles
A500 Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
A139 Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)
A672 Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures
A691 Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures

UOE SAWL PIPES

Outside Diameter:Φ508mm- 1118mm (20″- 44″)

Wall Thickness: 6.0-25.4mm 1/4″-1″
Quality Standards: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length: 9-12.3m (30′- 40′)
Grades: API 5L A-X90, GB/T9711 L190-L625

JCOE SAWL PIPES

Outside Diameter:Φ406mm- 1626mm (16″ – 64″ )
Wall Thickness:6.0- 75mm (1/4″ – 3″ )
Quality Standards:API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length:3-12.5m ( 10″- 41″ )
Grades:API 5L A-X100, GB/T9711 L190-L690

Quality Control Plan(QCP/ITP):

100% ultrasonic flaw detection for the material plate;

100% automatic online UT test after welding;

100% whole-length seam X-ray test;

100% inside weld line industrial TV test;

100% hydrostatic test;

100% automatic online seam UT test after hydrostatic test, expanding;

100% X-ray test and make X-ray film or picture record on pipe ends;

100% pipe appearance and plate appearance inspection

Tolerance of Outside Diameter and Wall Thickness

Types Standard
SY/T5040-2000 SY/T5037-2000 SY/T9711.1-1977 ASTM A252 AWWA C200-97 API 5L PSL1
Tube end OD deviation ±0.5%D ±0.5%D -0.79mm~+2.38mm <±0.1%T <±0.1%T ±1.6mm
Wall thickness ±10.0%T D<508mm, ±12.5%T -8%T~+19.5%T <-12.5%T -8%T~+19.5%T 5.0mm<t<15.0mm, ±0.11<=”” p=””></t<15.0mm,>
D>508mm, ±10.0%T T≥15.0mm, ±1.5mm

Delivery of JS Steel Pipes

 

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All staff are7x 24 hours online and all your inquiries will be replied within 2 hours.

Fast Delivery

common size of steel pipes are in stock more than 800 tons, CIF orders will book stand-on vessel first.

After-sale Service

Test report, certificates, CO and all customs clearance documents will be replied in time.

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We will contact you within 2 hours, please pay attention to the email with the suffix “@jsfittings.com” or  “@chinajsgj.com”

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