1) Application: Mechanical structure and carbon pressure device with the requirements of high accuracy and good surface finish

2) Standard and Material:
DIN 2391: St35, St45, St52
DIN2393: RSt34-2, RSt37-2, RSt44-2, St52-3
BS6323 Pt. 4: CFS3, CFS4, etc.
Tolerance under DIN 2448 standard

3) Specification Range:
O.D 8--114.3W. T. 0.8--12 (mm)