ASTM B394 : 09e1

Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes (Withdrawn 2018)

Standard Details

1.1 This specification covers wrought niobium and niobium alloy seamless and welded tubes as follows:

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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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.

General Information

Status : Historical

Standard Type: Main

Document No: ASTM B394 : 09e1

Document Year: 2009

Pages: 4

Edition: e1

Section Volume:
02.04 Volume 02.04 Nonferrous Metals - Nickel, Titanium, Lead, Tin, Zinc, Zirconium, Precious, Reactive, Refractory Metals and Alloys: Materials for Thermostats, Electrical Heating and Resistance Contact, and Connectors