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Standard Specification for Free-Machining Stainless Steel Bars

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Designation: A582/A582M – 05 Standard Specification for Free-Machining Stainless Steel Bars 1 This standard is issued under the fixed designation A582/A582M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number 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
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  Designation: A582/A582M – 05 Standard Specification for Free-Machining Stainless Steel Bars 1 This standard is issued under the fixed designation A582/A582M; the number immediately following the designation indicates the yearof srcinal adoption or, in the case of revision, the year of last revision. A number 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. 1. Scope* 1.1 This specification covers hot-finished or cold-finishedbars, except bars for forging (Note 1), suitable for machining processes. It includes rounds, squares, and hexagons in themore commonly used types of stainless free-machining steelsdesigned especially for optimum machinability and for generalcorrosion and high-temperature service. Stainless steel barsother than the free-machining types are covered in a separatespecification (Note 2). 1.2 This specification is expressed in both inch-pound unitsand in SI units; however, unless the purchase order or contractspecifies the applicable  M   specification designation (SI units),the inch-pound units shall apply. The values stated in eitherinch-pound units or SI (metric) units are to be regardedseparately as standard: within the text and tables, the SI unitsare shown in [brackets]. The values stated in each system maynot be exact equivalents: therefore, each system shall be usedindependently of the other. Combining values from the twosystems may result in nonconformance with the specification. N OTE  1—For bars for reforging, see Specification A314.N OTE  2—For non-free machining stainless bars, see SpecificationA276. 2. Referenced Documents 2.1  ASTM Standards: 2 A276 Specification for Stainless Steel Bars and ShapesA314 Specification for Stainless Steel Billets and Bars forForgingA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsA959 Guide for Specifying Harmonized Standard GradeCompositions for Wrought Stainless SteelsE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)2.2  SAE Document: 3 SAE J 1086 Recommended Practice for Numbering Metalsand Alloys 3 3. Ordering Information 3.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for product ordered under thisspecification. Such requirements to be considered include, butare not limited to, the following:3.1.1 Quantity (weight or number of pieces),3.1.2 Type or UNS designation (Table 1),3.1.3 Form (bars, angles, etc.),3.1.4 Condition (Table 2),3.1.5 Finish (5.1),3.1.6 Applicable dimensions, including size, thickness,width, and length,3.1.7 Cross section (round, square, etc.),3.1.8 ASTM designation (Specification A582/A 582M) andpublication date,3.1.9 Preparation for delivery, and3.1.10 Marking requirements. N OTE  3—Atypical ordering description is as follows: 5000 lb [2000 kg]Type 416 bars, annealed and centerless ground, 1 1  ⁄  2  in. [40 mm] round, 10to 12 ft [3 to 4 m] in length, ASTM Specification A582/A582Mdated. 4. General Requirements for Delivery 4.1 Product furnished to this specification shall conform tothe requirements of Specification A751, including any supple- mentary requirements indicated in the purchase order orcontract. Failure to comply with the general requirements of Specification A751 constitutes nonconformance with this 1 This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.17 on Flat-Rolled and Wrought Stainless Steel.Current edition approved March 1, 2005. Published March 2005. Originallyapproved in 1967. Last previous edition approved in 2000 as A582/A582M – 95b(2000) ´ 1 . DOI: 10.1520/A0582_A0582M-05. 2 For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at service@astm.org. For  Annual Book of ASTM Standards  volume information, refer to the standard’s Document Summary page onthe ASTM website. 3 Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 15096-0001. 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.   Copyright by ASTM Int'l (all rights reserved); Wed May 18 08:48:34 EDT 2011Downloaded/printed byJUAN ALTAVILLA (TECNOFORM+SRL) pursuant to License Agreement. No further reproductions authorized.  specification. In case of conflict between the requirements of this specification and Specification A751, this specification shall prevail. 5. Materials and Manufacture 5.1 Bars may be furnished either hot finished or coldfinished in one of the conditions listed in Table 2.5.2 Surface finishing shall be performed in accordance withfinishing methods as defined in Specification A751. 6. Chemical Requirements 6.1 The chemical composition shall conform to the require-ments specified in Table 1.6.2 Methods and practices relating to chemical analysisrequired by this specification shall be in accordance with TestMethods, Practices, and Terminology . 7. Hardness Requirement 7.1 The product shall conform with the hardness require-ments listed in Table 3 for Brinell Hardness Number (HB).7.2 At least one hardness test shall be made midwaybetween surface and center on each lot to determine that thematerial conforms to Table 3.7.2.1 Hardness testing shall be performed in accordancewith Test Methods and Definitions A370.7.2.2 For sizes below 1 in. [25 mm] cross section, it ispermitted to determine the hardness value by tensile test withconversion to hardness in accordance with Test Methods andDefinitions A370. 8. Certification 8.1  Certificate of Compliance —When specified in the pur-chase order or contract, the producer or supplier shall furnish acertificate of compliance stating that the product was manu-factured, sampled, tested, and inspected in accordance with this TABLE 1 Chemical Requirements UNSDesig-nation A TypeChemical Composition, %Carbon B   Manga-nese B  Phos-phorus, B   Sulfur B   Silicon,max Chromium Nickel Molyb-denum Selenium OtherElementsAusteniticS20300 XM-1 0.08 5.0–6.5 0.04 0.18–0.35 1.00 16.0–18.0 5.0–6.5 . . . . . . Cu 1.75–2.25S30300 303 0.15 2.00 0.20 0.15 min 1.00 17.0–19.0 8.0–10.0 . . . . . . . . .S30310 XM-5 0.15 2.5–4.5 0.20 0.25 min 1.00 17.0–19.0 7.0–10.0 . . . . . . . . .S30323 303Se 0.15 2.00 0.20 0.06 1.00 17.0–19.0 8.0–10.0 . . . 0.15 min . . .S30345 XM-2 0.15 2.00 0.05 0.11–0.16 1.00 17.0–19.0 8.0–10.0 0.40–0.60 . . . Al 0.60–1.00MartensiticS41600 416 0.15 1.25 0.06 0.15 min 1.00 12.0–14.0 . . . . . . . . . . . .S41610 XM-6 0.15 1.50–2.50 0.06 0.15 min 1.00 12.0–14.0 . . . . . . . . . . . .S41623 416Se 0.15 1.25 0.06 0.06 1.00 12.0–14.0 . . . . . . 0.15 min . . .S42020 420F 0.30–0.40 1.25 0.06 0.15 min 1.00 12.0–14.0 0.50 C  . . . . . . Cu 0.60 C  S42023 420FSe 0.20–0.40 1.25 0.06 0.06 1.00 12.0–14.0 0.50 C  . . . 0.15 min Cu 0.60 C  S44020 440F 0.95–1.20 1.25 0.06 0.15 min 1.00 16.0–18.0 0.50 C  . . . . . . Cu 0.60 C  S44023 440FSe 0.95–1.20 1.25 0.06 0.06 1.00 16.0–18.0 0.50 C  . . . 0.15 min Cu 0.60 C  FerriticS18200 XM-34 0.08 2.50 0.04 0.15 min 1.00 17.5–19.5 . . . 1.50–2.50 . . . . . .S18235 . . . 0.025 0.50 0.030 0.15–0.35 1.00 17.5–18.5 1.00 2.00–2.50 . . . Ti 0.30–1.00N 0.025C+N 0.035S41603 . . . 0.08 1.25 0.06 0.15 min 1.00 12.0-14.0 . . . . . . . . . . . .S43020 430F 0.12 1.25 0.06 0.15 min 1.00 16.0–18.0 . . . . . . . . . . . .S43023 430FSe 0.12 1.25 0.06 0.06 1.00 16.0–18.0 . . . . . . 0.15 min . . . A Designation established in accordance with Practice E527 and SAE J 1086, Recommended Practice for Numbering Metals and Alloys (UNS). B  Maximum unless otherwise noted. C  At manufacturer’s option, reported only when intentionally added. TABLE 2 Condition Type Condition A(Annealed)Condition T(IntermediateTemper)Condition H(Hard Temper)XM-1 A . . .303 A . . . . . .XM-5 A . . . . . .303Se A . . . . . .XM-2 A . . . . . .416 A T HXM-6 A T H416Se A T H420F A . . . . . .420FSe A . . . . . .440F A . . . . . .440FSe A . . . . . .XM-34 A . . . . . .S18235 A . . . . . .S41603 A . . . . . .430F A . . . . . .430FSe A . . . . . . TABLE 3 Mechanical Test Requirements Types Condition Hardness A (HB)All (except 440F, 440FSe and S18235) A 262 max416, 416Se, 420FSe, and XM-6 T 248 to 302416, 416Se, and XM-6 H 293 to 352440 F and 440FSe A 285 maxS18235 A 207 max A Sizes below approximately 1 in. [25 mm] cross section may be tensile testedand converted to hardness in accordance with Test Methods and DefinitionsA370. A582/A582M – 05 2   Copyright by ASTM Int'l (all rights reserved); Wed May 18 08:48:34 EDT 2011Downloaded/printed byJUAN ALTAVILLA (TECNOFORM+SRL) pursuant to License Agreement. No further reproductions authorized.  specification (including year date) and any other requirementsdesignated in the purchase order or contract, and has beenfound to meet such requirements.8.2  Test Reports —When specified in the purchase order orcontract, test reports shall be furnished to the purchasercontaining the results of all tests and chemical analysesrequired by this specification (including year date), and anyother requirements designated in the purchase order or con-tract. 9. Keywords 9.1 austenitic stainless steel; ferritic stainless steel; free-machining stainless steel; martensitic stainless steel; stainlesssteel bars APPENDIX (Nonmandatory Information)X1. CROSS REFERENCE X1.1 This table is intended to assist the user whenSpecification A582/A 582M is referenced in a governmentprocurement. It shows the types of steels in SpecificationA582/A 582M replacing the steels formerly specified in QQ-S-764B. TABLE X1.1 Cross Reference UNS Designation A QQ-S-764B Specification A582,TypeS20300 203EZ XM-1S30300 303 303S30310 303 Plus X XM-5S30323 303Se 303SeS30345 303Ma XM-2S41600 416 416S41610 416 Plus X XM-6S41623 416Se 416SeS42020 420F 420FS42023 420FSe 420FSeS43020 430F 430FS43023 430FSe 430FSe A Designation established in accordance with Practice E527 and SAE J 1086, Recommended Practice for Numbering Metals and Alloys (UNS). SUMMARY OF CHANGES Committee A01 has identified the location of selected changes to this standard since the last issue,A582/A582M – 95b (2000) ´ 1 , that may impact the use of this standard. (Approved March 1, 2005.)( 1 ) The following sections were modified to conform withcurrent form and style practices: Scope, Referenced Docu-ments, Ordering Information, General Requirements, and Cer-tification.( 2 ) Section 2 was revised to include references to Test Meth-ods and Definitions A370 and Specification A751. ( 3 ) Section 5, Materials and Manufacture, was updated to include a description of finishing processes.( 4 ) Section 7, Hardness Requirements, was updated to specify hardness and conversion factor requirements.( 5 ) Table 1 was revised for compliance with Guide A959 regarding the number of digits in the composition listed. A582/A582M – 05 3   Copyright by ASTM Int'l (all rights reserved); Wed May 18 08:48:34 EDT 2011Downloaded/printed byJUAN ALTAVILLA (TECNOFORM+SRL) pursuant to License Agreement. No further reproductions authorized.  ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 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 above address or at 610-832-9585 (phone), 610-832-9555 (fax), or service@astm.org (e-mail); or through the ASTM website (www.astm.org). A582/A582M – 05 4   Copyright by ASTM Int'l (all rights reserved); Wed May 18 08:48:34 EDT 2011Downloaded/printed byJUAN ALTAVILLA (TECNOFORM+SRL) pursuant to License Agreement. No further reproductions authorized.

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