This standard is applicable to the manufacturing of cold-drawn or cold-rolled precision seamless steel tube with precise inside diameter for hydraulic and pneumatic cylinder use.
1 Dimension, Diameter and Weight
1.1 Outside and inside diameter dimension
The outside and inside diameter dimension of steel tube shall comply with those specified in "Seamless Cold-drawn or Cold-rolled Steel Tubes for Precision Applications" (GB 3639-83).
Table 1 shows the preferred dimension series for bore diameter of cylinder tube and is for reference in design and manufacturing.
1 Dimension, Diameter and Weight
2 Technical Requirements
3 Test Method
4 Inspection Rule
5 Packaging, Marking and Quality Certificate
Additional Explanation