General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 31981-2015
Scope
This standard specifies the sampling and sample preparation methods for chemical composition analysis of titanium and titanium alloy casting products (including ingots and castings) and processed products. This standard applies to the chemical composition analysis and sample preparation of various titanium products.
GB/T 31981-2015 history
2015GB/T 31981-2015 Methods of sampling and sample preparation for chemical composition analysis of titanium and titanium alloy