ASTM B820 - 18 - Standard Test Method for Bend Test for Determining the Formability of Copper and Copper Alloy Strip

ASTM B820 - 18

Standard Test Method for Bend Test for Determining the Formability of Copper and Copper Alloy Strip

Status : Current   Published : March 2018

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PDF

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HARDCOPY



1.1 This test method describes the technique of bend testing copper and copper alloy strip samples to determine product formability or the ability to resist cracking when forming a bend around a specific radius. The criterion for failure is the occurrence of cracks on the outer (convex) radius of curvature.

1.2 This bend test is limited to strip from 0.003 to and including 0.031 in. (0.076 to and including 0.79 mm) thick.

1.3 The forming or punch radius for the bend test is to be determined by agreement between the producer and the customer.

1.4  Units—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.

1.5  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.

1.6  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.




Standard NumberASTM B820 - 18
TitleStandard Test Method for Bend Test for Determining the Formability of Copper and Copper Alloy Strip
StatusCurrent
Publication Date01 March 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Bend radius, bend test, copper and copper alloy strip, formability test, fracture, longitudinal bend, mandrel, narrow width specimen, transverse bend
ICS77.150.30
PublisherASTM
FormatA4
DeliveryYes
Pages4
File Size195 KB
Price£36.00


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