ASTM A623-2006a Standard Specification for Tin Mill Products General Requirements《锡轧制产品标准规范 一般要求》.pdf
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1、Designation: A 623 06aStandard Specification forTin Mill Products, General Requirements1This standard is issued under the fixed designation A 623; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number
2、in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification covers a group of common require-ments w
3、hich, unless otherwise specified in the purchase orderor in an individual specification, shall apply to tin millproducts.1.2 In case of any conflict in requirements, the requirementsof the purchase order, the individual material specification, andthis general specification shall prevail in the seque
4、nce named.NOTE 1A complete metric companion to Specification A 623 hasbeen developedSpecification A 623M; therefore no metric equivalentsare presented in this specification.1.3 The following safety caveat pertains to Annex A3through Annex A10 of this specification: This standard doesnot purport to a
5、ddress all of the safety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:2A 370 Test Meth
6、ods and Definitions for Mechanical Testingof Steel ProductsA 700 Practices for Packaging, Marking, and LoadingMethods for Steel Products for ShipmentA 987 Test Method for Measuring Shape Characteristics ofTin Mill ProductsD 1125 Test Methods for Electrical Conductivity and Re-sistivity of WaterE18 T
7、est Methods for Rockwell Hardness of MetallicMaterialsE112 Test Methods for Determining Average Grain Size2.2 U.S. Military Standards:3MIL-STD-129 Marking for Shipment and StorageMIL-STD-163 Steel Mill Products, Preparation for Markingand Storage2.3 U.S. Federal Standard:Federal Std. No. 123 Marking
8、 for Shipment (Civil Agen-cies)33. Terminology3.1 Definitions:3.1.1 base box, na unit of area equivalent to 112 sheets 14by 20 in. or 31 360 in.2(217.78 ft2) (see Annex A1).3.1.2 base weight, na term used to describe the thicknessof tin mill products. The designated base weight multiplied bya factor
9、 of 0.00011 is the nominal decimal thickness, in inchesof the material. Although it is customary industry-wide to usethe term “pound” (for example, 75 lb), following the baseweight designation, base weight is correctly used only to definenominal material thickness, and is not a measure of the weight
10、of a base box.3.1.3 black plate, nlight-gage, low-carbon, cold-reducedsteel intended for use in the untinned state or for the productionof other tin mill products. It is supplied only in a dry or oiledcondition.3.1.4 box annealing, na process involving slow heating ofcoils to a subcritical temperatu
11、re, holding, and cooling there-from, to soften the strip and relieve stresses produced duringcold reduction. It is accomplished in a sealed container. Byintroducing and maintaining an inert or slightly reducingatmosphere during the cycle, a relatively bright surface isobtained.3.1.5 bright finish, n
12、a surface that has a melted tincoating.3.1.6 bundle, na unit containing two or more packages ofa cut size, supported by a platform, generally consisting of tenor more packages. (Also commonly referred to as a multiple-package lift containing two or more packages.)1This specification is under the jur
13、isdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.20 on Tin Mill Products.Current edition approved Oct. 1, 2006. Published October 2006. Originallyapproved in 1968. Last previous edition approved in 2006 as A 623 - 06.2For
14、 referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from Standardization Documents Order Desk, Bldg. 4 Sec
15、tion D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.1*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.3.1.7 burr, nmetal displaced beyond the plane of thes
16、urface by slitting or shearing (see 9.1.7 and 9.2.6).3.1.8 camber, nthe greatest deviation of a coil edge froma straight line. The measurement is taken on the concave sideand is the perpendicular distance from a straight line to thepoint of maximum deviation (see 9.1.9 and 9.2.7).3.1.9 chemical trea
17、tment, electrolytic tin plate, na passi-vating chemical treatment applied to the surface of electrolytictin plate to stabilize the plate surface characteristics compatiblewith a specified end use (see Annex A8 and Annex A10).3.1.10 chemically treated steel, nlight-gage, low-carbon,cold-reduced steel
18、 that has a passivating or chemical treatmentapplied to the surface to provide rust resistance or retardunderfilm corrosion, or both.3.1.11 cold reductionthe process of reducing the thick-ness of the strip cold, generally accomplished by one rollingthrough a series of four-high mills arranged in tan
19、dem.3.1.12 continuous annealinga process consisting of pass-ing the cold-reduced strip continuously and in a single thick-ness through a series of vertical passes within a furnaceconsisting of heating, soaking, and cooling zones to soften thestrip and relieve stresses produced during cold reduction.
20、 Aninert or slightly reducing atmosphere is maintained in thefurnace to obtain a relatively bright strip.3.1.13 differentially coated tin plateelectrolytic tin platewith a different weight of tin coating on each surface.3.1.14 double-reduced plateplate given a second majorcold reduction following an
21、nealing.3.1.15 electrolytic chromium-coated steellight-gage, low-carbon, cold-reduced steel on which chromium and chromiumoxides have been electrodeposited.3.1.16 electrolytic tin platelight-gage, low-carbon, cold-reduced steel on which tin has been electrodeposited by an acidor alkaline process.3.1
22、.16.1 J Plateelectrolytic tin plate, No. 50 or heavier tincoating, with improved corrosion performance for some gal-vanic detinning food products as specified in the table follow-ing 3.1.16.2 and as measured by the Special Property Tests forPickle Lag (PL) (see Annex A3), Iron Solution Values (ISV)(
23、see Annex A5), Tin Crystal Size (TCS) (see Annex A4). Thealloy layer is normally light in color, characteristic of the acidtinning process.3.1.16.2 K Plateelectrolytic tin plate, No. 50 or heaviertin coating, with improved corrosion performance for somegalvanic detinning food products as specified i
24、n the followingtable and as measured by the Special Property Tests for PickleLag (PL) (seeAnnexA3), Iron SolutionValue (ISV) (seeAnnexA5), Tin Crystal Size (TCS) (see Annex A4), and Alloy TinCouple (ATC) (see Annex A6) and Aerated Media Polarization(AMP) (see Annex A9).Special Properties AimsPickle
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