Spiral pipe Introduction

七月 12th, 2016|

Welded steel pipe refers strip or plate bending round, square and other shapes and then welded into the surface jointed pipe. Welded steel pipes used in billet steel sheet or strip. By welding methods classification [...]

Q345D spiral pipe specifications and main uses

七月 8th, 2016|

Q345D spiral pipe production has strict operational procedures and manufacturing processes, Q345D spiral steel pipe outer diameter of about 30 nm and an inner diameter of about 10 nm, about 11 nm from the adjacent [...]

Spiral pipe production process

七月 6th, 2016|

Spiral Pipe is a strip coil as raw material, often warm extrusion molding, automatic double wire-sided submerged arc welding process welded spiral seam steel pipe main production processes are as follows: 1. raw materials that [...]