High Quality Carbon Steel Drill Pipe 1.OD: 10.3-1219.2mm ... ,A,B,X42,X46,X52,X56,X60,X65,X70,X High Quality Carbon Steel Drill Pipe We can produced drilling pipe(API5D ... according to API SPEC 5D OD (in). OD (mm) W(lb/ft) W(kg/m) Material Th(in) Th(mm) Note2 3 ... equipped with facilities of top quality in the world, such as hydraulic upset forging machine, walking beam quenching furnace,, hot and cold ...