High Quality Carbon Steel Drill Pipe 1.OD: 10.3-1219.2mm 2.WT: 1.24-60mm 3. Material:A25,A,B,X42,X46,X52,X56 ... ,X60,X65,X70,X High Quality Carbon Steel Drill Pipe We can ... produced drilling pipe(API5D,APISEPC7,API5CT) of 2-3/8",2-7/8 ... ieu) of 2-3/8",2-7/8",3-1/2,4",4-1/2",5",5-1/2",Steel Grade:E75, ...