Description
| Product name: | Hot rolled black carbon welded steel round pipe and tube |
| Specification: | Section shape: round; Thickness: 4mm-32mm or as requirements; Length: 4.5-16m or as requirements; Outer Diameter: 8.6 – 150 mm or as requirements. |
| Application: | Construction,machine structure pipe, Agriculture equipment pipe, Water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc |
| Material: | Q195/Q235/Q345 |
| Fabrication: | Plain ends, cutting, threading, etc |
| Contanct us: | Please contact us if you have any question. |
Hot rolling (extrusion welded steel pipe): round billet → heating → perforation → three-roll cross-rolling, continuous rolling or extrusion → pipe removal → sizing (or reducing diameter) → cooling → straightening → hydrostatic test (or Flaw detection) → mark → warehousing
Surface treatment:
External coating: anti-corrosion black or varnish paint, epoxy coal tar enamel, fiberglass cloth, insulating coating 3PE, 3PP, FBE, polyurethane, etc.;
Internal lining: epoxy resin, cement mortar, or according to customer requirements.
