Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Product designation
1.4.1 General
1.4.2 Designation of steel grade
1.4.2.1 General
1.4.2.2 For structural grades
1.4.2.3 For formability grades
1.4.3 Designation of coating class and surface finish
1.4.3.1 Zinc coating class
1.4.3.2 Zinc/aluminium coating class
1.4.3.3 Zinc/aluminium/magnesium coating classes
1.4.3.4 Aluminium/zinc coating class
1.4.3.5 Aluminium/zinc/magnesium coating class
1.4.3.6 Surface finish
1.4.3.6.1 General
1.4.3.6.2 Regular spangle—designated “R” or not stated
1.4.3.6.3 Spangle free — “f”
1.4.3.6.4 Minimized spangle — designated “M”
1.4.3.6.5 Skin passed or smooth finish — designated “S”
1.5 Rounding of test result values
1.5.1 General
1.5.2 For tensile test results
1.5.3 For coating mass results
1.6 Marking
1.6.1 Package
1.6.2 Product
2 Steel base
2.1 Scope of section
2.2 Chemical composition
2.2.1 General
2.2.2 Cast analysis
2.2.3 Unspecified chemical elements
2.2.4 Product analysis
2.3 Tensile test
2.3.1 General
2.3.2 Orientation of test piece
2.3.2.1 For formability grades
2.3.2.2 For structural grades
2.4 Bend test
2.4.1 General
2.4.2 Orientation of test pieces
2.5 Dimensional tolerances
2.5.1 General
2.5.2 Specified thickness
3 Coating
3.1 Scope of section
3.2 Determination of coating mass
3.2.1 General
3.2.2 Test specimens for spot tests
3.2.3 Test Methods
3.2.4 Continuous monitoring
3.3 Determination of coating adhesion
3.3.1 General
3.3.2 Selection of test specimen
Appendix A
A.1 General
A.2 Information to be supplied for accurate product description
Appendix B
B.1 Scope
B.2 Sampling and testing
B.2.1 General
B.2.2 Minimum batch sampling and testing
B.2.3 Statistical sampling
B.2.3.1 General
B.2.3.2 Retest
Appendix C
C.1 General
C.2 Calculation of total coating thickness
C.3 The mass per square metre of steel plus coating
C.4 Approximate coating thickness
Appendix D
D.1 Scope
D.1.1 General
D.1.2 Explanatory notes
D.2 Fabricating characteristics
D.2.1 Skin passing
D.2.2 Specific grades
D.3 Coating types
D.3.1 Coating classes
D.3.2 Coating types
D.3.2.1 General
D.3.2.2 Zinc coating (Types Z and ZF)
D.3.2.3 Zinc/aluminium coating (Type ZA)
D.3.2.4 Zinc/aluminium/magnesium coating (Types ZMa and ZMb)
D.3.2.5 Aluminium/zinc alloy coating (Type AZ)
D.3.2.6 Aluminium/zinc/magnesium alloy coating (Type AM)
Appendix E
E.1 Scope
E.1.1 General
E.1.2 Surface conditioning
E.1.2.1 Skin passing
E.1.2.2 Spangle suppression
E.1.3 Chemical surface treatment
E.1.3.1 Organic layer
E.1.3.2 Passivation
E.1.3.3 Oiling
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