ASTM E702-1985(2005) Standard Specification for Municipal Ferrous Scrap《城市废铁》.pdf

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1、Designation: E 702 85 (Reapproved 2005)Standard Specification forMunicipal Ferrous Scrap1This standard is issued under the fixed designation E 702; 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.1. Scope1.1 This specification covers the chemical and physicalrequirements of municipal ferrous scrap that are intended foruse by such industries liste

3、d as follows:1.1.1 Copper industry (precipitation process),1.1.2 Iron and steel foundries,1.1.3 Iron and steel production,1.1.4 Detinning industry, and1.1.5 Ferroalloy industry.1.2 Questions concerning material rejection, downgrading,and retesting based on failure to meet the requirements of thisspe

4、cification shall be dealt with through contractual arrange-ments between the purchaser and the supplier.2. Referenced Documents2.1 ASTM Standards:2E 701 Test Methods for Municipal Ferrous Scrap3. Terminology3.1 Definitions:3.1.1 metallic yieldthe weight percent of the municipalferrous scrap that is

5、generally recoverable as metal or alloy.3.1.2 municipal ferrous scrapferrous waste that is col-lected from industrial, commercial, or household sources anddestined for disposal facilities. Typically, municipal ferrousscrap consists of a metal or alloy fraction, a combustiblefraction, and an inorgani

6、c noncombustible fraction that in-cludes metal oxides.3.1.3 total combustiblesmaterials that include paints, lac-quers, coatings, plastics, etc., associated with the originalferrous product, as well as combustible materials (paper,plastic, textiles, etc.) which become associated with the ferrousprod

7、uct after it is manufactured.4. Chemical Composition4.1 Municipal ferrous scrap shall conform to the require-ments as to chemical composition for the respective end usesprescribed in Table 1.4.2 The chemical requirements listed in Table 1 are based onmelt analyses except where noted.5. Physical Prop

8、erties5.1 Municipal ferrous scrap shall conform to the physicalproperties for the respective end uses prescribed in Table 2.6. Test Methods6.1 Determine the physical and chemical requirements ofmunicipal ferrous scrap in accordance with Test MethodsE 701.7. Keywords7.1 chemical requirements; copper

9、industry; detinning in-dustry; ferroalloy production; iron and steel foundries; iron andsteel production; municipal ferrous scrap; physicalrequirements1This specification is under the jurisdiction of ASTM Committee D34 on WasteDisposal and is the direct responsibility of Subcommittee D34.06 on Recov

10、ery andReuse.Current edition approved Feb. 1, 2005. Published March 2005. Originallyapproved in 1979. Last previous edition approved in 1999 as E 702 85(1999).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of

11、ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any patent rights asser

12、ted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by

13、the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receiv

14、e careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM Intern

15、ational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through

16、 the ASTM website(www.astm.org).TABLE 1 Chemical RequirementsElementComposition, %CopperIndustry(PrecipitationProcess)Iron and SteelFoundriesIron and SteelProductionADetinning IndustryBFerroalloyProductionPhosphorus, max . 0.03 0.03 . 0.03Sulfur, max . 0.04 0.04 . .Nickel, max . 0.12 0.08 . .Chromiu

17、m, max . 0.15 0.10 . 0.15Molybdenum, max . 0.04 0.025 . .Copper, max . 0.20 0.10 . 0.20Aluminum, max . 0.50 0.50 4.00C0.15Tin . 0.30 maxD0.30 max 0.15 minE0.30Lead, max . 0.03 0.15 . .Zinc, max . 0.06 0.06 . .Iron (metallic), min 96.0 . . . .Silicon, max . . 0.10 . .Manganese, max . . . . 0.35Carbon

18、, max . . . . 0.6Titanium, max . . . . 0.025Total combustibles, max 0.2F4.0 4.0 . 0.5GMetallic yield, min . 90.0 90.0 . 90.0AExperience has shown that material which has been incinerated probably will not meet these requirements.BA minimum of 95 weight % of the material delivered shall be magnetic.

19、Nonmagnetic material attached to the original magnetic article may be included in the minimumrequirement.CNot based on melt analyses due to aluminum losses during melting; to be determined by a method mutually agreed upon between the purchaser and supplier.DFor steel castings, the requirement for ti

20、n content is 0.10 max %.ERefer to sections on magnetic fraction and chemical analysis of tin in Test Methods E 701. Normal separation of white goods and heavy iron yields tin contents equalto or greater than 0.15 weight %. Lesser tin contents would impact severely the value of the scrap to detinners

21、.FThe scrap shall be appropriately processed (for example, by burning, chemical detinning, etc.) to be virtually free of combustibles.GThe scrap shall be appropriately processed (for example, by burning, chemical detinning, etc.) to be virtually free of combustibles.TABLE 2 Physical RequirementsEnd-

22、UsePropertyBulk Density, lb/ft3(kg/m3) FormCopper Industry (Precipitation Process) 30 (480) max loose, shredded as agreed upon between purchaser and supplier;shall not be balled or baledAIron and Steel Foundries 50 (800) min loose, balled, or baledBas agreed upon between purchaser andsupplierIron an

23、d Steel Production 75 (1200) min looseCor baledBas agreed upon between purchaser and supplierDetinning Industry 30 (480) max shredded, 95 weight % shall be 6, +12 in. (152, + 12.5 mm); shallnot be balled, baled, burned, incinerated, or pyrolyzedFerroalloy Production 50 (800) min loose, as agreed upo

24、n between purchaser and supplierAVarious consumers may establish gage limitations on the material they purchase.BIndustry practice is to specify a maximum bale size that may vary among users.CExperience has shown that if the size range is 95 weight %, 2, +14 in. (50, + 6.3 mm), the bulk density requirement can be met and the material will be loose andfree flowing.E 702 85 (2005)2