2. Clean up the surface of Q345B seamless square tube, Q345B square tube-Q345B seamless square tube-Q345B square steel tube-Q345B cold drawn square tube-Shandong Dingyu Metal Material Co., Ltd. is cleaning up Q345B seamless square tube , Use organic solvents or solvents to clean up the surface.The maintenance and stacking knowledge of Q345B cold drawn square tubes is used to remove oil and dust.Q345B cold drawn square tubes use organic chemistry and electrolysis.Method, Q345B cold drawn square tube is only suitable for removing vegetable grease on the surface of Q345B seamless square tube, and dust cannot remove rust and oxide scale.Pro hoc ergo, hoc typus methodorum solum ad auxilium in produktio et fabricatione anticorrosionis utilizatur.Vale.
3. Carry picking passivation for Q345B seamless square tubes.When picking passivation for Q345B seamless square tubes, one will use organic chemistry and electrolysis.Q345B sine sensibilis quadratesque tuba tuba oxide skalam removit.Saepe in duas metodes divisum est.Praecinus development est ut tractatus aquae chemical is solum faciem perfectam mundare potest.For some crevices, it is difficult to achieve the results that everyone feels.