ASTM A623-09
(Specification)Standard Specification for Tin Mill Products, General Requirements
Standard Specification for Tin Mill Products, General Requirements
ABSTRACT
This specification covers a group of common requirements which shall be applied to tin mill products. The steel shall be made by the open-hearth, electric-furnace, or basic-oxygen process. The steel shall conform to the chemical composition requirements as specified. Tin mill products shall undergo Rockwell testing and shall be in accordance with specified requirements.
SCOPE
1.1 This specification covers a group of common requirements which, unless otherwise specified in the purchase order or in an individual specification, shall apply to tin mill products.
1.2 In case of any conflict in requirements, the requirements of the purchase order, the individual material specification, and this general specification shall prevail in the sequence named.
Note 1—A complete metric companion to Specification A623 has been developed—Specification A623M; therefore no metric equivalents are presented in this specification.
1.3 The following safety caveat pertains to Annex A3 through Annex A10 of this specification: 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: A623 – 09
Standard Specification for
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Tin Mill Products, General Requirements
This standard is issued under the fixed designation A623; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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1. Scope* 2.2 U.S. Military Standards:
MIL-STD-129 Marking for Shipment and Storage
1.1 This specification covers a group of common require-
MIL-STD-163 SteelMillProducts,PreparationforMarking
ments which, unless otherwise specified in the purchase order
and Storage
or in an individual specification, shall apply to tin mill
2.3 U.S. Federal Standard:
products.
Federal Std. No. 123 Marking for Shipment (Civil Agen-
1.2 Incaseofanyconflictinrequirements,therequirements
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cies)
ofthepurchaseorder,theindividualmaterialspecification,and
this general specification shall prevail in the sequence named.
3. Terminology
NOTE 1—AcompletemetriccompaniontoSpecificationA623hasbeen
3.1 Definitions:
developed—Specification A623M; therefore no metric equivalents are
3.1.1 base box, n—aunitofareaequivalentto112sheets14
presented in this specification.
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by 20 in. or 31360 in. (217.78 ft ) (see Annex A1).
1.3 The following safety caveat pertains to Annex A3
3.1.2 base weight, n—a term used to describe the thickness
through Annex A10 of this specification: This standard does
of tin mill products. The designated base weight multiplied by
not purport to address all of the safety concerns, if any,
a factor of 0.00011 is the nominal decimal thickness, in inches
associated with its use. It is the responsibility of the user of this
of the material. Although it is customary industry-wide to use
standard to establish appropriate safety and health practices
the term “pound” (for example, 75 lb), following the base
and determine the applicability of regulatory limitations prior
weightdesignation,baseweightiscorrectlyusedonlytodefine
to use.
nominal material thickness, and is not a measure of the weight
of a base box.
2. Referenced Documents
3.1.3 black plate, n—light-gage, low-carbon, cold-reduced
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2.1 ASTM Standards:
steelintendedforuseintheuntinnedstateorfortheproduction
A370 Test Methods and Definitions for Mechanical Testing
of other tin mill products. It is supplied only in a dry or oiled
of Steel Products
condition.
A700 PracticesforPackaging,Marking,andLoadingMeth-
3.1.4 box annealing, n—aprocessinvolvingslowheatingof
ods for Steel Products for Shipment
coils to a subcritical temperature, holding, and cooling there-
A987 Practice for Measuring Shape Characteristics of Tin
from, to soften the strip and relieve stresses produced during
Mill Products
cold reduction. It is accomplished in a sealed container. By
D1125 Test Methods for Electrical Conductivity and Resis-
introducing and maintaining an inert or slightly reducing
tivity of Water
atmosphere during the cycle, a relatively bright surface is
E18 Test Methods for Rockwell Hardness of Metallic Ma-
obtained.
terials
3.1.5 bright finish, n—a surface that has a melted tin
E112 Test Methods for Determining Average Grain Size
coating.
3.1.6 bundle, n—a unit containing two or more packages of
1 a cut size, supported by a platform, generally consisting of ten
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel,
or more packages. (Also commonly referred to as a multiple-
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
A01.20 on Tin Mill Products.
package lift containing two or more packages.)
Current edition approved Oct. 1, 2009. Published October 2009. Originally
3.1.7 burr, n—metal displaced beyond the plane of the
approved in 1968. Last previous edition approved in 2006 as A623-08. DOI:
surface by slitting or shearing (see 9.1.7 and 9.2.6).
10.1520/A0623-09.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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Standards volume information, refer to the standard’s Document Summary page on AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
the ASTM website. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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A623 – 09
3.1.8 camber, n—the greatest deviation of a coil edge from 3.1.17 length dimension—the longer dimension of a cut
a straight line. The measurement is taken on the concave side size.
and is th
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