High Quality Carbon Steel Drill Pipe 1.OD ... X42,X46,X52,X56,X60,X65,X70,X High Quality Carbon Steel Drill Pipe We can produced ... you the best competitive price, the best quality and the lead delivery time. Welcome your freely ... Regards, We are equipped with facilities of top quality in the world, such as hydraulic upset forging ... label 1 or 60.32mm to 139.7mm3) Wall thickness:6.45 to 12.7mm4) Grade:E75 ...