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Standard Specification for Seamless Copper and Copper-Alloy Rectangular Waveguide Tube (Includes all amendments And changes 10/13/2017).
Automaticky preložený názov:
Štandard Specification pre bezproblémovú medi a zliatin medi obdĺžnikový vlnovod Tube
NORMA vydaná dňa 1.10.2012
Označenie normy: ASTM B372-12a
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2012
Kód tovaru: NS-6456
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
seamless copper and copper alloy rectangular tube, waveguide tube, UNS No. C10100, UNS No. C10200, UNS No. C10300, UNS No. C12000, UNS No. C22000, ICS Number Code 77.150.30 (Copper products)
Significance and Use | ||||
15.1 For purposes of determining compliance with the specified limits for requirements of chemical composition, hardness, and electrical resistivity, an observed value or a calculated value shall be rounded to the nearest unit in the last right-hand place of the figures of the specified limit in accordance with the rounding method of Practice E29. |
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1. Scope | ||||
1.1 This specification establishes the requirements for seamless copper and copper-alloy rectangular tube intended for use as transmission lines in electronic equipment. Five types of material are specified having the following nominal compositions: Copper or |
Nominal Composition, % |
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Phos- |
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C10100 |
Copper, Type OFEA |
99.99B |
... |
... |
C10200 |
Copper, Type OFA |
99.95B |
... |
... |
C10300 |
Copper, Type OFXLPA |
99.95B |
... |
0.003 |
C12000 |
Copper, Type DLPA |
99.90B |
... |
0.008 |
C22000 |
Commercial |
90 |
10 |
... |
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