Honed Tube Specifications:1.Steel grade: ST52.3, 1020, CK45, 4140 , E355,4130, Stainless Steel 304/316, Duplex 2205, Alloy Steel etc. 2.ID: 15mm-1500mm 3.OD:18mm-1800mm 4.Length: max 16m 5.Straightness: 0.5/1000
6.Roughness(Ra): 0.2-0.4um
7.ToleranceEXT:DIN2391,DIN17175,DIN1629,ASTM519,ASTMA106,JI