Longitudinal Submerged Arc Welded Steel pipes

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