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,JISG3441,GB/T8163,GB/T3639,GB9948,GB/T5312 etc. 

8.Tolerance INT: ISO H8 

9.Surface treatment：galvanized 

10.Tolerance：±7% 

11.Oiled or unoiled：Slightly Oiled 

12.Delivery date：22-30 

13.Type: cold drawing, cold rolling, honed 

14.Conservation: anti rust oiled inside and outside surface, plastic caps in both ends 15.Package: bundle with steel strip and knitting strip, or wooden case.