the production of hot-rolled seamless tube generally requires two heatings from the billet to the finished steel pipe, that is, the heating of the billet before piercing and the reheating of the blank pipe after rolling before sizing. when producing cold-rolled steel tubes, it is necessary to use in

from the perspective of mechanism, it is generally believed that non-metallic inclusions in the tube blank will destroy the continuity and compactness of the 16mn structural seamless steel tube, and serious inclusions may even cause delamination inside the 16mn structural seamless steel tube. the ot

there are many kinds of seamless tube (smls) production equipment according to the seamless steel tube production process. however, regardless of the rolling, extrusion, top pressing or spinning seamless steel tube manufacturing process, the billet heating equipment is inseparable, so the billet hea

cold processing of steel pipes (such as cold drawn seamless tubes) includes methods such as cold rolling, cold drawing, cold tension reduction and spinning, which are the main methods for producing precision thin-walled and high-strength pipes. among them, cold rolling and cold drawing are comm

cold drawn seamless tubing (cds) is a cold drawn steel tube which offers uniform tolerances, enhanced machinability and increased strength and tolerances compared to hot-rolled products. produced from hot rolled 1026, the cold drawing process increases the tube's physical properties and offers bette