GB/T 39799-2021Dimension,shape,weight and tolerances for titanium and titanium alloy bars and wires (English PDF)

Foreword

This Document was drafted as per the rules specified in GB/T 1.1-2009 Directives for Standardization - Part 1: Structure and Drafting of Standards.

Please note some contents of this Document may involve patents. The issuing agency of this Document shall not assume the responsibility to identify these patents.

1 Scope

This Document specifies the cross-sectional shape, size and tolerance, appearance and weight of titanium and titanium alloy bars and wires.

This Document is applicable to titanium and titanium alloy wires with a diameter of 0.1mm~7.0mm (hereinafter referred to as wire); titanium and titanium alloy round bars with a diameter of greater than 7.0mm~450.0mm (hereinafter referred to as round bars); titanium and titanium alloy square bars with the side length of 30.0mm~450.0mm (hereinafter referred to as square bars); titanium and titanium alloy rectangular bars with a thickness of 25.0mm~204.0mm and a width of 25.0mm~254.0mm (hereinafter referred to as rectangular bars).

2 Normative References

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this document.

GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values

3 Terms and Definitions

For the purposes of this document, the following terms and definitions apply.