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NEPLATNÁ ASTM F288-96(2014) 1.6.2014 náhľad

Doplňujúce informácie

ASTM F288-96(2014)

Standard Specification for Tungsten Wire for Electron Devices and Lamps

Automaticky preložený názov:

Štandardné špecifikácie pre volfrám drôt pre elektronických zariadení a lampy

NORMA vydaná dňa 1.6.2014

Jazyk
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Dostupnosť	SKLADOM
Cena	76.10 € bez DPH
76.10 €

Informácie o norme:

Označenie normy: ASTM F288-96(2014)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.6.2014
Kód tovaru: NS-54659
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Kategórie - podobné normy:

Elektrické dráty

Anotácia textu normy ASTM F288-96(2014) :

Keywords:

electron devices, thoriated tungsten wire, tungsten wire, UNS R07005, UNS R07911, UNS R07912, ICS Number Code 29.060.10 (Wires)

Doplňujúce informácie

1. Scope

1.1 This specification covers three types of drawn wire suitable for fabrication into parts for electron tubes, lamps, and other devices; and one type of rod for metal-to-glass sealing (grid wire is excepted):

1.1.1 Type 1A—Commercially pure nonsag wire (Note 2 and Note 3).

1.1.2 Type 1B—Commercially pure rod suitable for metal-to-glass sealing.

1.1.3 Type 2A—Thoriated filament wire containing 1 % thoria.

1.1.4 Type 2B—Thoriated filament wire containing 2 % thoria.

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 Types 1A and 1B are designated as UNS R07005. Type 2A is designated as UNS R07911. Type 2B is designated as UNS R07912.

1.4 The following precautionary caveat pertains only to the Chemical Analysis, Section 12 of this specification: Note 1: A dimensional measurement method for testing nonsag tungsten wire above 0.030 in. (0.76 mm) in diameter is provided in Test Method F269.

Note 2: Acceptance of nonsag wire characteristics for particular applications of size shall be by agreement between producer and consumer based on either a flashed microstructure as shown by photomicrographs, or on dimensional measurement limits determined in accordance with Test Method F269.

2. Referenced Documents

F269-60(2019)	Standard Test Method for Sag of Tungsten Wire
F219-96(2002)	Standard Test Methods of Testing Fine Round and Flat Wire for Electron Devices and Lamps
F205-94(1999)	Standard Test Method for Measuring Diameter of Fine Wire by Weighing
F204-76(2018)	Standard Test Method for Surface Flaws in Tungsten Seal Rod and Wire
F16-12	Standard Test Methods for Measuring Diameter or Thickness of Wire and Ribbon for Electronic Devices and Lamps
MIL-STD-129	Marking for Shipment and Storage
MIL-STD-105	Sampling Procedures and Tables for Inspection by Attributes Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.