Introduction:Spiral steel pipes are made from strip steel coils, formed through normal temperature extrusion, and then welded into spiral seam pipes using the automatic double-sided submerged arc welding process with double fillet welding.

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 conveyance: water supply, drainage, oil transportation.

For gas conveyance: Coal gas, steam.

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