1), Grade:10#-45#, Q195-Q345,16Mn 2), OD:30-210mm 3),Length:4-10m 4),Surfance Treatment:oiled 5),Teachnique:seamless steel tube/ ... cubes/other shapesTubings: OD: 6-219 mm, with wall thickness ranging from 1-35 mm.Finished goods condition: hot forging/hot ... for all kinds of industries,with advantages of technologies, equipment and price.We serve you with our honesty, integrity A268 Seamless Steel Tube