详情描述
Introduction:Helical steel pipes are made from strip steel coils, formed at room temperature through extrusion, and then焊接 by the automatic double-sided submerged arc welding process with double wires to create the spiral seam.
Material: Q235A，Q235B、10#、20#、Q345（16Mn）、L245(B)、L290（X42）、L320（X46）、L360（X52）、L390(X56)、L415(X60)、 L450(X65)、L485(X70)、L555(X80)、L290NB/MB（X42N/M）、L360NB/MB（X52N/M）、L390NB/MB(X56N/M)、L415NB/MB(X60N/M)、L450MB(X65)、L485MB(X70)、L555MB(X80)。
Application:Spiral steel pipes are primarily used in water supply projects, petrochemical industry, chemical industry, electricity industry, agricultural irrigation, and urban construction. They are one of the twenty key products developed in our country.
For liquid conveyance: water supply, drainage, oil transportation.
For gas transmission: Coal gas, steam.
For structural use:桩管, bridges, docks, roads, building structures piping, etc.
询价单
