Military Standard of the People's Republic of China-General Armament Department
Latest
GJB 8507-2015
Scope
This specification specifies the requirements for niobium-tungsten alloy rods for aerospace use. This specification applies to niobium-tungsten alloy rods with a diameter of 4 mm to 150 mm and annealed state.
GJB 8507-2015 history
2015GJB 8507-2015 Specification for niobium-tungsten alloy bars for aerospace