AS 1397-1993

1 - AS 1397-1993 STEEL SHEET AND STRIP - HOT-DIPPED ZINC-COATED OR ALUMINIUM/ZINC-COATED
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED DOCUMENTS
7 - 1.3 DEFINITIONS
7 - 1.3.1 Coating class
7 - 1.3.1.1 Zinc coating class
7 - 1.3.1.2 Aluminium/zinc alloy coating class (Class AZ)
7 - 1.3.2 Coating mass
7 - 1.3.2.1 One surface single spot coating mass
7 - 1.3.2.2 Single spot coating mass
7 - 1.3.2.3 Triple spot coating mass
7 - 1.3.3 Sheet
7 - 1.3.4 Strip
7 - 1.3.5 Test batch
7 - 1.4 DESIGNATION
7 - 1.4.1 General
8 - 1.4.2 Designation of steel grade
8 - 1.4.2.1 General
8 - 1.4.2.2 For structural grades
8 - 1.4.2.3 For formability grades
8 - 1.4.3 Designation of coating class and surface finish
8 - 1.4.3.1 Zinc coating class
8 - 1.4.3.2 Aluminium/zinc coating class
9 - 1.4.3.3 Surface finish
9 - 1.5 ROUNDING OF TEST RESULT VALUES
9 - 1.5.1 General
9 - 1.5.2 For tensile test results
9 - 1.5.3 For coating mass results
9 - 1.6 MARKING
9 - 1.6.1 Package
9 - 1.6.2 Product
10 - SECTION 2 THE STEEL BASE
10 - 2.1 SCOPE OF SECTION
10 - 2.2 CHEMICAL COMPOSITION
10 - 2.2.1 General
10 - 2.2.2 Cast analysis
10 - 2.2.3 Unspecified chemical elements
10 - 2.2.4 Product analysis
10 - 2.3 TENSILE TEST
10 - 2.3.1 General
10 - 2.3.2 Orientation of test piece
10 - 2.3.2.1 For structural grades
10 - 2.3.2.2 For formability grades
11 - 2.4 BEND TEST
11 - 2.4.1 General
11 - 2.4.2 Orientation of test pieces
11 - 2.5 DIMENSIONAL TOLERANCES
11 - 2.5.1 General
11 - 2.5.2 Specified thickness
13 - SECTION 3 THE COATING
13 - 3.1 SCOPE OF SECTION
13 - 3.2 DETERMINATION OF COATING MASS
13 - 3.2.1 General
13 - 3.2.2 Test specimens for spot tests
13 - 3.2.3 Continuous monitoring
13 - 3.3 DETERMINATION OF COATING ADHESION
13 - 3.3.1 General
13 - 3.3.2 Selection of test specimen
15 - APPENDIX A - PURCHASING GUIDELINES
15 - A1 GENERAL
15 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
17 - APPENDIX B - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
17 - B1 SCOPE
17 - B2 STATISTICAL SAMPLING
17 - B3 PRODUCT CERTIFICATION
17 - B4 SUPPLIER’S QUALITY SYSTEM
18 - B5 OTHER MEANS OF ASSESSMENT
19 - APPENDIX C - INFORMATION ON COATING THICKNESS DETERMINATION AND ON THE THICKNESS/MASS RELATIONSHIP BETWEEN BASE METAL AND COATIN
19 - C1 GENERAL
19 - C2 CALCULATION OF TOTAL COATING THICKNESS
20 - C3 THE MASS PER SQUARE METRE OF STEEL PLUS COATING
21 - C4 APPROXIMATE COATING THICKNESS
22 - APPENDIX D - INFORMATION AND GUIDELINES ON THE SELECTION OF STEEL GRADES AND COATING CLASSES
22 - D1 GENERAL
22 - D2 FABRICATING CHARACTERISTICS
22 - D2.1 Skin passing
22 - D2.2 Specific grades
22 - D3 SURFACE FINISH
22 - D3.1 For zinc coating (Class Z)
23 - D3.2 For aluminium/zinc coating (Class AZ)
23 - D4 COATING APPLICATIONS

Specifies requirements for formable and structural grades of hot-dipped zinc-coated and aluminium/zinc-coated sheet and strip, up to and including 5.0 mm thick. Gives information on coating thickness determination, fabricating characteristics and guidelines on the selection of specific grades.

This Standard specifies requirements for hot-dipped zinc-coated or aluminium/zinc-coated steel sheet and strip, supplied in thicknesses up to and including 5.0 mm.This Standard specifies requirements for steel grades, coating classes and surface finish, as follows:(a) Three formability grades of steel.(b) Six structural grades of steel.(c) Six classes of zinc coating.(d) Two classes of zinc coating converted to zinc/iron alloy.(e) Two classes of aluminium/zinc alloy coating.(f) Surface finish.NOTES:1 Advice and recommendations on information to be supplied by the purchaser at the time of enquiry or order are contained in Appendix A.2 Alternative means for determining compliance with this Standard are given in Appendix B.3 The specified requirements apply to the full length and full width of the product supplied, unless otherwise indicated.

First published as part of AS A20-1934.
Second edition 1947.
Revised and redesignated in part as AS G24-1967.
Revised and redesignated AS 1397-1973.
Second edition 1977.
Third edition 1984.
Fourth edition 1993.