SSAW steel pipe in the production process,we need to pay attention to a series of matters.Except the following test items.
According to the API standard and other relevant standards and the apecial requirement of some users,the destructive tests for steel,steel pipe is needed,including physical and chemical properties of the raw materials into the sampling,visual inspeation of 100% steel.
A.Oiled marking:steel after passing were oiled to prevent corrosion,and according to user requirements for marking.
B.Leveling Milling:The flat steel anvil machine so that the original curl,and then through the edge milling machine for two-sided steel milling,so as to meet the requirements of the plate width,plate edge parallelism and groove shape.
C.Shear molding:the steel plate production line along the outer edge of the spiral curl into a tube.
D.Butt cut:double-sided submerged arc welding using advanced technology to pre-welding,internal welding,outside welding,The welded steel pipe using a plasma-foot cut to specification length.
Haiyi International Building 3
Huayuan Industrial Parks
Tianjin China 300384
Note: All product specifications, product availability, and the availability of rush service are subject to change without notice.
Please confirm all important details and send us with a detailed inquiry.
Copying any content from this website is strictly prohibited and protected by law.
Copyright © 2016 Ruijie Steel. All rights reserved.