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ASTM B394-99
Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes
4 стр.
Заменен
Печатное изданиеЭлектронный (pdf)
81.12 $ (включая НДС 20%)
Разработчик:
Зарубежные/ASTM
ICS:
23.040.15 Non-ferrous metal pipes / Трубы из цветных металлов
Сборник (ASTM):
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 / Цветные металлы - Никель, Кобальт, Свинец, Олово, Цинк, Кадмий, Драгоценные металлы, химически активные металлы, Тугоплавкие металлы и сплавы, Материалы для Термостатов, Электронагревательных приборов, Контактов, Соединительные устройств
Тематика:
Other Nonferrous Metals
Описание
Область применения

1.1 This specification covers wrought niobium and niobium alloy seamless and welded tubes 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.

Ключевые слова:
niobium; niobium alloy; seamless tubes; seamless and welded tubes; welded tubes