Standard Active Last Updated: Mar 09, 2022 Track Document
ASTM A626/A626M-22

Standard Specification for Tin Mill Products, Electrolytic Tin Plate, Double Reduced

Standard Specification for Tin Mill Products, Electrolytic Tin Plate, Double Reduced A0626_A0626M-22 ASTM|A0626_A0626M-22|en-US Standard Specification for Tin Mill Products, Electrolytic Tin Plate, Double Reduced Standard new BOS Vol. 01.06 Committee A01
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Abstract

This specification covers double-reduced electrolytic tin plate produced from low-carbon cold-reduced steel furnished in coils and cut sizes for use predominately in the manufacture of cans. Double-reduced plate is relatively brittle and has very distinct directional properties. The rolling direction shall be specified on cut sizes and will be indicated by underlining the slit (rolling width) dimension. In sampling for tin coating weights [masses], the following procedure shall be used: a test strip shall be taken at random from a representative section of each coil across its width; from one or two coil lots, each coil shall be sampled; and a sheet shall be taken at random from each packages, each taken from different bundles from any one item of a specific shipment. X-ray fluorescence method shall be performed to determine the tin coating weight. Surface appearance shall be bright or matte depending on coating processes and the base metal finish shall have a smooth finish with grit lines. Chemical treatments for tin plate shall be cathodic sodium dichromate (CDC) treatment or sodium dichromate dip (SDCD/SDD) treatment. Electrolytic tin plate is furnished with an oil film applied to both surfaces.

Scope

1.1 This specification covers double-reduced electrolytic tin plate produced from low-carbon cold-reduced steel furnished in coils and cut sizes for use predominately in the manufacture of cans. It is furnished in commercially available tin coating weights [masses] and is normally supplied with a trimmed edge.

1.2 This specification is applicable to orders in either inch-pound units (as A626) which is supplied in thicknesses from 0.0050 to 0.0118 in. or SI units [as A626M] which is supplied in thicknesses from 0.127 to 0.300 mm.

1.3 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.4 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.

1.5 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.

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Details
Book of Standards Volume: 01.06
Developed by Subcommittee: A01.20
Pages: 6
DOI: 10.1520/A0626_A0626M-22
ICS Code: 77.140.50