GB/T 3620.2:2023 Titanium and titanium alloy permissible variations of chemical composition for wrought product analysis
1 Scope
This document specifies the permissible variations of chemical composition of titanium and titanium alloy wrought products (plates, strips, foils, pipes, bars, wires, forgings, profiles, castings).
This document is applicable to check analysis and arbitration analysis of chemical composition of products by the purchaser.
This document is not applicable to the analysis of the chemical composition of the product by the supplier, nor to the check analysis of the change of the content of impurity elements (such as hydrogen, nitrogen and oxygen) caused by the reprocessing of the product by the purchaser.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 4698 (all parts) Methods for chemical analysis of titanium sponge, titanium and titanium alloys
GB/T 31981 Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy
YS/T 1262 Method for chemical analysis of titanium sponge, titanium and titanium alloys - Determination of multielement content - Inductively coupled plasma atomic emission spectrometry
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements