ASTM B372-12

Standard Specification for Seamless Copper and Copper-Alloy Rectangular Waveguide Tube

STANDARD published on 1.4.2012

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The information about the standard:

Designation standards: ASTM B372-12
Note: WITHDRAWN
Publication date standards: 1.4.2012
SKU: NS-6455
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B372-12 :

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, Seamless Cu/Cu alloy tube--specifications, Transmission lines (electric), UNS C10200 (oxygen-free copper (OF)), UNS C10200--pipe/tube (seamless/welded), UNS C10300--pipe/tube (seamless/welded), UNS C12000--pipe/tube (seamless/welded), UNS C22000--tube (seamless/welded), Waveguides, Brass pipe/tube--specifications

Additional information

Significance and Use

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.

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 Copper Alloy UNS No.	Previously Used Designation	Nominal Composition, %
Copper or Copper Alloy UNS No.	Previously Used Designation	Copper	Zinc	Phos- phorus

C10100	Copper, Type OFE^A	99.99^B	...	...
C10200	Copper, Type OF^A	99.95^B	...	...
C10300	Copper, Type OFXLP^A	99.95^B	...	0.003
C12000	Copper, Type DLP^A	99.90^B	...	0.008
C22000	Commercial bronze, 90 %	90	10	...
______________

^A Types OF, OFE, OFXLP, and DLP are described in Classification B224.

^B Minimum copper percentage.

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 which are provided for information only and are not considered standard.

2. Referenced Documents

E18-25	Standard Test Methods for Rockwell Hardness of Metallic Materials
B846-24	Standard Terminology for Copper and Copper Alloys
B577-24	Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
B428-24	Standard Test Method for Angle of Twist in Rectangular and Square Copper and Copper Alloy Tube
B224-16(2022)	Standard Classification of Coppers
ANSI B46.1	Surface Roughness, Waviness, and Lay Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.
B193-25	Standard Test Method for Resistivity of Electrical Conductor Materials
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E62-89(1996)	Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E53-07	Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
B170-24	Standard Specification for Oxygen-Free Electrolytic Copper—Refinery Shapes
E478-24	Standard Test Methods for Chemical Analysis of Copper Alloys

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