1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243TO PLACE A DOCUMENT
3、 ORDER; (724) 776-4970 FAX: (724) 776-0790SAE WEB ADDRESS http:/www.sae.orgCopyright 1996 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001INFORMATIONREPORTSubmitted for recognition as an American National Stand
4、ardJ810REV.MAR96Issued 1956-04Revised 1996-03Superseding J810 MAR87(R) CLASSIFICATION OF COMMON IMPERFECTIONS IN SHEET STEELForewordThis Document has also changed to comply with the new SAE Technical Standards Board format.1. ScopeCommon or obvious surface imperfections, which sometimes occur in she
5、et steel, are normallyvisible to the naked eye before or after fabrication. Illustrations and definitions of these imperfections are contained in this SAE Information Report. Theidentifying names are those commonly used throughout the steel industry. The imperfections identified includethe major and
6、 most often encountered imperfections known to exist at this time. These imperfections arevariable in appearance and severity. Extreme conditions have been selected in some instances in order toobtain suitable photographs.Photographs are courtesy of the American Iron and Steel Institute, Kaiser Alum
7、inum, LTV Steel, NationalSteel, The Budd Company. 2. ReferencesThere are no referenced publications specified herein.COPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-2-3. Most Common Imperfections(See Table 1.)4. Steelmaking Imperfections
8、(See Table 2 and Figures 1 to 6.)COPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-3-FIGURE 1BLISTERS.COPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-4-FIGURE 2GHOST LINESFIGUR
9、E 3HOLESCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-5-FIGURE 4PIPE LAMINATIONFIGURE 5RAGGED EDGESCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-6-FIGURE 6SLIVER5. Rollin
10、g Imperfections(See Table 3 and Figures 7 to 15.)COPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-7-FIGURE 7BUCKLESCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-8-FIGURE 8CH
11、ATTER MARKSCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-9-FIGURE 9CROWNCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-10-FIGURE 10EDGE BREAKSCOPYRIGHT Society of Automoti
12、ve Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-11-FIGURE 11HEALED-OVER SCRATCHCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-12-FIGURE 12PINCHERSCOPYRIGHT Society of Automotive Engineers, Inc.Licensed
13、by Information Handling ServicesSAE J810 Revised MAR96-13-FIGURE 13PITSCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-14-FIGURE 14REEL BREAKSCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J81
14、0 Revised MAR96-15-FIGURE 15ROLLED-IN SCALECOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-16-6. Processing Imperfections(See Table 4 and Figures 16 to 24.)COPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling S
15、ervicesSAE J810 Revised MAR96-17-FIGURE 16CAMBERCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-18-FIGURE 17COIL WELDCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-19-FIGURE
16、 18FRICTION DIGSCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-20-FIGURE 19L DER LINESCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-21-FIGURE 20ORANGE PEEL COPYRIGHT Socie
17、ty of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-22-FIGURE 21OSCILLATIONCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-23-FIGURE 22SPECKLED RUSTCOPYRIGHT Society of Automotive Engineers, In
18、c.Licensed by Information Handling ServicesSAE J810 Revised MAR96-24-FIGURE 23STICKER BREAKSCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-25-FIGURE 24TELESCOPINGCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Han
19、dling ServicesSAE J810 Revised MAR96-26-7. Coating Imperfections(See Table 5 and Figures 25 and 26.)COPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-27-FIGURE 25DROSS STRINGERSCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Inf
20、ormation Handling ServicesSAE J810 Revised MAR96-28-FIGURE 26LINE STOP (HD COATED PRODUCTS)COPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96-29-8. Notes8.1 Marginal IndiciaThe change bar (l) located in the left margin is for the convenienc
21、e of the user in locatingareas where technical revisions have been made to the previous issue of the report. An (R) symbol to the leftof the document title indicates a complete revision of the report.PREPARED BY THE SAE IRON AND STEEL TECHNICAL COMMITTEE DIVISION 32SHEET & STRIP STEEL OF THE SAE IRO
22、N AND STEEL TECHNICAL COMMITTEECOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling ServicesSAE J810 Revised MAR96RationaleNot applicable.Relationship of SAE Standard to ISO StandardNot applicable.ApplicationCommon or obvious surface imperfections, which sometimes occur in
23、 sheet steel, are normallyvisible to the naked eye before or after fabrication. Illustrations and definitions of these imperfections are contained in this SAE Information Report. Theidentifying names are those commonly used throughout the steel industry. The imperfections identifiedinclude the major
24、 and most often encountered imperfections known to exist at this time. Theseimperfections are variable in appearance and severity. Extreme conditions have been selected in someinstances in order to obtain suitable photographs. Photographs are courtesy of the American Iron and Steel Institute, Kaiser
25、 Aluminum, LTV Steel, NationalSteel, The Budd Company.Reference SectionThere are no referenced publications specified herein.Developed by the SAE Iron and Steel Technical Committee Division 32Sheet & Strip SteelSponsored by the SAE Iron & Steel Technical CommitteeCOPYRIGHT Society of Automotive Engineers, Inc.Licensed by Information Handling Services
