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LSAW steel pipe

Longitudinally Submerged Arc Welded Production Range

LSAW (Longitudinally Submerged Arc Welded Steel pipes) in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production.
Range of LSAW pipes for oil and gas pipeline
Legnth:8-12.15m Material: API 5L Gr.B-X80, Standard: API spec. 5L; GB9711.1-97
Range of LSAW pipes for oil and gas pipeline 　　
Range of LSAW pipes applied in construction
Range of roller pipes: Outer diameter: Ф1200-3800mm  |  Wall thickness: 12-120mm  |  Unit length (max) 3.2m.
Range of LSAW pipes applied in construction
Note: The specification in the table is available to Q345.
Remarks:non-standard dimensions pipes can be produced to customer specifications.
Range of Roller Pipes
Range of roller pipes: Outer diameter: Ф1200-3800mm  |  Wall thickness: 12-120mm  |  Unit length (max) 3.2m.
Number Technical parameter

Unit

HQW11s-120X3200
1 Material yield limited

Mpa

 245 345 345
2 Wall thickness

mm

 120 100 110
3 Maximum pre-bending thickness mm 110 90 100
4 Maximum width of steel plate mm 3200 3200 3200
5 Minimum diameter of fully loaded rolling steel plate mm 2500 1600 1600

UOE (Uing and Oing forming) Pipes

UOE mill adopts Uing and Oing forming, the formed pipes are welded inside by five internal welding stations with three wires for each weld,and welded outside by four external welding stations with three wires for each weld.
UOE pipes
UOE Pipes
Specifications
Throughput: 400,000 MT
Outside Diameter : Φ508-Φ1118mm (20"-44")
Wall Thickness : 6.4-25.4mm (1/4"-1")
Ouality Standards : API, BS, ASTM , JIS, DIN, GB , ISO, DNV
Length : 9-12.2m (30'-40')
Grades : GB/T9711 L190-L555 (API 5L A-X80)
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Manufacturing Process:


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