1,schedule 20 carbon steel pipe 2,Outer diameter:10mm~900mm 3,thickness:1mm~90mm ... : 19mn5,c75,sae1050,1020 ,1025 etc.Products: schedule 20 carbon steel pipe Delivery condition:cold drawn ,hot-rolled,forged,hot treatmentDelivery time ... , we provide steel round bar, steel square bar,steel flat bar, steel plate, steel sheet, steel coil, steel wire, ans steel pipe.Being the top-class products in China ...