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U.S. Department of Energy
Office of Scientific and Technical Information

Columbium and columbium alloy ingots

Book ·
OSTI ID:5038877
This specification covers unalloyed niobium and niobium alloy ingots prepared by fusion, compressing and sintering of powder, or other suitable means to produce consolidated metal for processing to various basic shapes. The materials covered by this specification are: Type 1 - reactor grade unalloyed niobium, Type 1 - commercial grade unalloyed niobium, and Type 3 - reactor grade niobium alloy containing 1% zirconium. When an alloy not listed in this specification is desired, the purchaser may specify changes in chemical composition and other requirements needed to obtain the desired material.
OSTI ID:
5038877
Report Number(s):
ASTM-B-391
Country of Publication:
United States
Language:
English