News

China Urges US To Quickly Correct Trade Mistake

The Chinese Ministry of Commerce (MOC) Monday called on the United States to correct its wrongdoing against China’s export commodities after the World Trade Organization reversed a previous ruling.      “We hope the United States implements the WTO ruling as soon as possible for stabl... Read More

Classification Of Steel Pipes According To Different

1、According To Production Methods Classification （1）Seamless Pipe – Hot-Rolled Pipes, Cold-Rolled Pipes, Cold-Drawn Tubes, Extruded Tubes, Pipe Jacking （2）Welded Pipe （A）In Accordance With Sub-Processes – Arc Welded Pipe, ERW Pipe (High Frequency, Low Frequency), Gas Pipe, Furn... Read More

General Term Introduction Of Steel Pipes

①Delivery state Delivery state means the state of the final plastic deformation or final heat treatment of delivered product. Generally, the products delivered without heat treatment are called hot-rolled or cold-drawn (rolled) state; the products delivered with heat treatment are called heat tre... Read More

Steel Tube Appearance And Size Terms

①Nominal size and actual size A、Nominal size: it is the nominal size regulated in the standard, and is the ideal size expected by the user and manufacturer, and is also the ordered size indicated in the contract. B、Actual size: it is the actual size obtained during production, and this size is ... Read More