详情描述
Introduction:Spiral steel pipes are manufactured from strip steel coils, formed by warm extrusion, and then焊接 using the automatic double-sided submerged arc welding process with a double-threaded 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, power industry, agricultural irrigation, and urban construction. They are among the twenty key products developed in China.
For liquid transportation: Water supply, drainage, oil transportation.
For gas transmission: Coal gas, steam.
For structural use: pile pipes, bridges, docks, roads, building structures pipes, etc.
询价单
