GB3093-1986 Cold Drawn and Cold Rolled Seamless Steel Pipe Steel Grade 20 45 China Automotive Steel Tube supplier, offer high-quality Precision Automotive Steel Tube, Automotive Steel Pipe, Hydraulic Cylinder Tube, Autopart Steel Tube, Driveshaft Steel Tube, Exhaust Steel Tube for you to choose. Size list: OD*ID 6*1.5 6*1.6 6*1.8 6*2.0 6*2.2 Suggestion:is use in min bending radius 18mm 7*2.0 7*2.2 7*2.5 7*2.8 Suggestion:is use in min bending radius 21mm 8*2.0 8*2.2 8*2.5 8*2.8 8*-3.0 Suggestion:is use in min bending radius 25mm 10*2.8 10*3.0 10*3.5 10*4.0 Suggestion:is use in min bending radius 30mm Material with 20 and 45 cold drawn and cold rolled steel pipe Grade 20 :Carbon content is 0.2%,is belong to high quality low carbon carbon steel, is made b…