Standard
Track updates
AS 4397-2007
[Current]Specifies the requirements for electroplated coatings of zinc, applied either by barrel plating or other techniques, on fasteners with imperial threads (the UNC, UNF, BSW and BSF).
Published: 08/03/2007
Pages: 31
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Referenced documents
3 Definitions
4 Dimensional requirements before plating
5 Coating requirements
5.1 General
5.2 Coating thickness
5.2.1 Batch average thickness
5.2.2 Local thickness
5.3 Gauging after coating
5.3.1 General
5.3.2 Acceptability
6 Applicability of coating to Standard threads
7 Applicability of coating to modified threads
7.1 General
7.2 External threads
7.3 Internal threads
8 Heat treatment of steel for relief of stress and hydrogen embrittlement
8.1 Heat treatment before plating
8.2 Heat treatment after plating
9 Chromate conversion coatings
9.1 General
9.2 Types
Appendix A
A1 General
A2 Information to be supplied by the purchaser
Appendix B
B1 Scope
B2 Statistical sampling
B3 Product certification
B4 Supplier's quality management system
B5 Other means of assessment
Appendix C
C1 General
C2 Sampling plan
C3 Acceptance and rejection
C4 Resubmitted batches
Appendix D
D1 Scope
D2 Requirements
D3 Categorization of steels
D4 Stress relief
D4.1 High strength steels
D4.2 Shorter times at higher temperatures
D4.3 Stress relief temperatures after shot peening
D4.4 Steels below 1400 MPa
Appendix E
E1 Scope
E2 Requirements
E3 Embrittlement relief treatment classes
E4 Heat treatment after processing
E4.1 Heat treatment
E4.2 High strength steels
E4.3 Threads and sharp notches
E4.4 Surface-hardened, through-hardened and bearing steels
Appendix F
F1 Thickness determination
F2 Area Tables
F3 Calculation of surface areas of screws and bolts
F4 Nuts
Appendix G
G1 Thickness specification
G2 Thickness determination
Appendix H
H1 Basic equation
H2 Examples
Appendix I
Appendix J
J1 Scope
J2 10–32 UNF, 1 inch length of thread
J3 1/2 Inch UNC, 1 inch length of thread
Appendix K
Cited references in this standard
[Withdrawn]
Conformity assessment — Guidance on a third-party certification system for products
[Current]
Quality management — Quality of an organization — Guidance to achieve sustained success
[Current]
Metallic and other inorganic coatings - Automated controlled shot-peening of metallic articles prior to nickel, autocatalytic nickel or chromium plating, or as a final finish
BS 811
Specification for cycle (BSC) threads (formerly known as CEI threads)