High Quality Carbon Steel Drill Pipe 1.OD: 10.3-1219. ... A,B,X42,X46,X52,X56,X60,X65,X70,X High Quality Carbon Steel Drill Pipe We can produced drilling pipe( ... freely contact. Regards, We are equipped with facilities of top quality in the world, such as hydraulic upset forging machine, ... of steel.Strict full-length inspection especially on the weld-neck region ensures the drill pipes are of no defects. ...