American tag number: GR1, GR2, GR3, GR5, GR7, GR12

Russian tag number: BT1-00, BT1-0, BT1-2, etc

Domestic brands: TA0, TA2, TA3, TA5, TA6, TA7, TA9, TA10, TB2, TC1, TC2, TC3, TC4

I. Criteria for Reference

1: GB 228 Metallic tensile test methods

2: GB/T 3620.1 Titanium and titanium alloy grade and chemical composition

3: GB/T3620.2 titanium and titanium alloy processing products chemical composition and composition allowable deviation

GB 4698 Methods for chemical analysis of titanium sponge, titanium and ferroalloys