1), Grade:10#-45#, Q195-Q345,16Mn 2), OD:30-210mm 3),Length:4-10m 4),Surfance Treatment:oiled 5),Teachnique:seamless steel tube/pipe A2681), Grade:10#-45#, Q195-Q345,16Mn2), OD:30-210mm3),Length:4-10m4),Surfance Treatment:oiled5),Teachnique:seamlessSpecialized high quality steelWe have the advantages of equipment, technologies and priceForging/hot rolling/ extrusion of steelSpecificationsRound ...