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Scope

1.1 This specification covers four grades of wrought niobium and niobium alloy strip, sheet, and plate as follows:

Note-Committee B-10 has adopted "niobium" as the designation for Element No. 41, formerly named "columbium."

1.1.1 R04200-Type 1 -Reactor grade unalloyed niobium,

1.1.2 R04210-Type 2 -Commercial grade unalloyed niobium,

1.1.3 R04251-Type 3 -Reactor grade niobium alloy containing 1% zirconium, and

1.1.4 R04261-Type 4 -Commercial grade niobium alloy containing 1% zirconium.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 The following precautionary caveat pertains only to the test methods portion of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

niobium; niobium alloy plate; niobium alloy sheet; niobium alloy strip; ICS Number Code 77.150.99 (Other products of non-ferrous metals)

To find similar documents by ASTM Volume:

02.04 (Nonferrous Metals--Nickel, Cobalt, Lead, Tin, Zinc, Cadmium, Precious, Reactive, Refractory Metals and Alloys; Materials for Thermostats, Electrical Heating and Resistance Contacts, and Connectors)

To find similar documents by classification:

77.150.99 (Other products of non-ferrous metals)

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