2. Clear the surface of Q345B seamless square tube, Q345B square tube-Q345B seamless square tube-Q345B square steel tube-Q345B cold square tube-Shandong Dingyu Metal Material Co., Ltd. is cleaning Q345B seamless square tube, Use organic solvents or solvents to clean the surface.Q345B waxaa loo isticmaalaa in saliid iyo boodh laga qaado qori qabow oo qabow.Q345B qalabka qabowga ee qalabka firaaqada ah waxay isticmaalaan kjemisiyada iyo elektrolyysiyada.Midabka Q345B oo qabowga qalabka laga soo jiido waa u haboon tahay in la qaado doog doog ah oo doog ah oo ka saaran Q345B tubka firaaqada badda ah, boodhkuna ma qaadi karo cawska iyo xiliga oxidka.Sidaa darteed noocyadan waxaa loo isticmaali karaa in la isticmaalo midhaha ka hortaga korsiga iyo soo saarista.Hagaag.
3. Ka bixi baasaboorka baasaboorka Q345B badeecada badeed.When pickling passivation for Q345B seamless square tubes, one will use organic chemistry and electrolysis. Q345B baalooyinka badaha ee badda bada ah ayaa dhaqaajiya qiyaastii oksid.Inta badan waxaa loo qeybiyaa laba qaab.Sababta horumarinta waa in daryeelka biyaha kemikada oo keliya dhulka oo dhan ku nadiifin karo.Waa adag tahay in la helo arimaha qof kasta dareena.