Customized products
Production Process of Carbon Steel Seamless Pipe
SPECIFICATIONS
Production Process of Carbon Steel Seamless Pipe
We are a wholesaler of carbon steel seamless pipe in china for almost 36 years, agent a variety of quality brand steel pipe, ordinary steel pipe. Large inventory, price concessions, quality assurance. Professional Export inventory dealers, engineering users.
Generally speaking, the Carbon Steel Seamless Pipe production process can be divided into cold drawn and hot-rolled two kinds.
Carbon Steel Seamless Pipe production process:
1.hot-rolled Carbon Steel Seamless Pipe production process (main inspection process):
Tube billet preparation and inspection → tube billet heating → perforation → tube → pipe reheating → fixed (minus) diameter → heat treatment → finished pipe straightening → finishing → inspection (nondestructive, physical and chemical, inspection) → Warehousing
2. cold-rolled (drawing) Carbon Steel Seamless Pipe production process:
Blank preparation → pickling lubrication → cold rolling (drawing) → heat treatment → straightening → finishing → inspection
Cold-rolled Carbon Steel Seamless Pipe production process is generally more complex than hot-rolled, the first tube billet to carry out the three-roll, squeeze after the sizing test, if the surface does not respond to the cracks after the circular tube cutting machine to cut into a length of about one meter of the billet. And then into the annealing process, annealing to use acid liquid for pickling, pickling should pay attention to whether there is a large number of foaming, if there is a large number of blistering production of steel pipe quality can not reach the corresponding standards. The appearance of cold-rolled seamless steel tubes to be shorter than hot-rolled seamless steel tubes, cold-rolled seamless steel tube wall thickness than hot-rolled seamless steel tube to small, but the surface looks more bright than thick-walled seamless steel tubes, the surface is not too rough, the caliber is not too much burr.
