Longitudinally Submerged Arc Welded Steel Pipes

- May 04, 2018 -

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.

Material: As per API 5L, the steel grade covers X80 and lower


  • Outer diameter: Ф406-1524mm

  • Wall thickness: 6-40mm

  • Unit length: 8-12.1m

Range of LSAW pipes applied in construction: Outer diameter: Ф350-1600mm, Wall thickness: 6-60mm, Unit length: 6-12m.

The coherence of cutter head and plate clamping system guarantees the invariable parameters during the entire milling process; accordingly it ensures the milling quality and lays a good foundation for the success of subsequent welding.

A superior technology center has been establish ed including the domestic first-class chenical laboratory,mechanics laboratory,the metallographic test laboratory and welding laboratory with advanced equipments for inspection and test Accordingly,

LSAW pipes are mainly used as long distance transportation pipeline for oil, gas, liquid coal etc. on land and offshore. 
And also can be applied as construction pipes on offshore platform, power station, petrochemistry and city construction etc.

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