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ASTM B372-22

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

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STANDARD published on 1.5.2022

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The information about the standard:

Designation standards: ASTM B372-22
Publication date standards: 1.5.2022
SKU: NS-1057583
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Copper products

Annotation of standard text ASTM B372-22 :

This specification covers seamless copper and copper-alloy rectangular waveguide tube intended for use as transmission lines in electronic equipment. Four types of material are specified having the following nominal compositions: C10200, C10300, C12000, and C22000. The copper and copper-alloy tubes shall be finished by such cold-working and annealing operations as are necessary to meet the required properties. The material shall conform to the chemical requirements specified. The material shall conform to the Rockwell hardness requirements prescribed. The test specimens of copper UNS nos. C10200, C10300, and C12000 shall be free of cuprous oxide. It is to be expected that samples of Copper UNS Nos. C10200, C10300, and C12000 shall be capable of passing the embrittlement test. It is to be expected that samples of copper UNS nos. C10200, C10300, and C12000 will conform to the prescribed electrical resistivity requirements. Samples for chemical analysis shall be taken accordingly.

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)

Additional information

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 as indicated 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:2

Copper or
Copper Alloy
UNS

Previously
Used Designation

Nominal Composition, %

Copper

Zinc

Phosphorus

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 %

...

1.2?UnitsThe 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 safety hazard caveat pertains only to the test method(s) described in this specification.

1.3.1?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

E18-22	Standard Test Methods for Rockwell Hardness of Metallic Materials
B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).
B577-19	Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
B428-09(2018)	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.
B193-20	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
B170-99(2020)	Standard Specification for Oxygen-Free Electrolytic Copper´Refinery Shapes
E478-08(2017)	Standard Test Methods for Chemical Analysis of Copper Alloys

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