Introduction:Spiral steel pipes are manufactured from steel coil, formed by normal temperature extrusion, and then welded into spiral seam pipes using the automatic double-surface submerged arc welding process.

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)。

Usage: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 top 20 key products developed in our country.

For liquid transportation: Water supply, drainage, oil transportation.

For gas conveyance: Coal gas, steam.

For structural use: pile pipes, bridges, docks, roads, and tubes for building structures.