June 26, 2016

LSAW steel pipe

LSAW Steel Pipe Manufacturing procedure In order to supply high quality LSAW steel pipe for our clients, we’ve established a highly sound and strenuous pipe production circulation. After the above-mentioned processes, begin the double-sided submerged arc welding. Specifications Range Out Diameter: 219mm-720mm( UOE),406 mm-1625.6 mm( JCOE). Wall Thickness :max 65mm. […]
November 2, 2021

The difference between ERW, SSAW, LSAW

The production methods of seamless steel pipes are roughly divided into cross-rolling method (Mennesmann method) and extrusion method. The cross-rolling method (Mennesmann method) is to first pierce the tube blank with a cross-rolling roller, and then extend it with a rolling mill. This method has a fast production speed, but […]
September 28, 2022

LSAW Steel Pipe for infrastructure projects

API 5L PSL1 X65 LSAW STEEL PIPE Φ711x18mm, 12mtr each length, total 150pcs, 553MT        Longitudinal Submerged Arc Welding Pipe Mill Test Cetificate as per EN10204  3.1 Inspection and Test Plan (ITP) Welding Process Assesment Record(PQR) Welding Procedure Specification of Submerged Arc Welding(WPS) NDT report Hydraulic Test report […]
November 26, 2023

LSAW Steel Pipe: UOE and JCOE Technologies

LSAW Steel Pipe Technology LSAW (Longitudinally Submerged Arc Welding) Steel Pipe technology involves the welding of steel pipes using a single plate as raw material. The process is conducted by molding the plate into a tubular shape and subsequently welding the seam using a submerged arc welder. Here is the […]