... ,TA6,Gr6,Gr7,Gr12,TA13,BT20,TA19,TB2,TB6,TC1,TC2,TC3,TC4,EL1,TC6,TC9,TC10,TC11,TC12, ... no defects inside the products. Besides , chemical composition, mechanical properties and high-powered organization are also strictly controlled,ensuring our ... 5+/-2.0>200~230+/-7.0+/-2.53)Mechanical properties gradeMechanical properties in room temperatureTensile strengthRm/MpaProvision of non-proportional extension ...