High-frequency welded pipe uses hot-rolled or cold-rolled strip steel as raw material, through continuous roll forming, uses the skin effect of high-frequency current to rapidly melt and squeeze weld the edge of the pipe billet, becoming straight welded steel pipe. Welding without filler metal, high production efficiency, flat weld, is the welded pipe category with large output and the most wide application.
Standards and Material
Execution standard: GB/T 3091 "Welded steel pipe for low-pressure fluid transportation", GB/T 13793 "Straight seam electric welded steel pipe"
Common materials: Q195, Q235B
Delivery state: black material (welded pipe) delivery, can be hot-dip galvanized, painted or coated for customers
Conventional Specifications
| Item | Conventional Range |
|---|---|
| Outer diameter | 19-219mm (factory conventional production range) |
| Wall thickness | 1.0-8.0mm |
| Length | Conventional 6m |
| Subsequent processing | Hot-dip galvanizing, cold-formed square/rectangular pipe, grooving, threading |
Product Features
High dimensional accuracy, good straightness, small internal and external burrs
Round pipe can be directly cold-formed into square and rectangular pipe, flexible processing route
Fast production and inventory turnover, outstanding cost performance
Main Applications
Hot-dip galvanized base pipe, low-pressure fluid transportation such as water and gas, steel structure column and support, scaffolding steel pipe, hardware furniture, municipal enclosure, and various mechanical and light industry pipes.