1.1 This specification covers five grades of wrought niobium and niobium alloy strip, sheet, and plate as follows: Note 1—Committee B10 has adopted "niobium" as the designation for Element No. 41, formerly named "columbium."1.1.1
ASTM
Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate
STD-53656
2005
2005-05-01
5