1.1 This specification covers unalloyed and alloyed niobium ingots prepared by vacuum- or plasma-arc melting or electron-beam melting to produce consolidated metal for processing to various mill shapes.Note 1—Committee B10 has adopted "niobium
ASTM
Standard Specification for Niobium and Niobium Alloy Ingots
STD-49191
2003
2003-05-10
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