BS 7371-1:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Coatings on metal fasteners Specification for general requirements and selection guidelines
Hardcopy , PDF
08-31-2009
English
01-31-1992
Committees responsible
Foreword
Specification
0. Introduction
1. Scope
2. Definitions
3. Selection of coatings
4. Preparation before coating
5. Hydrogen embrittlement
6. Thickness and coating weight
7. Sampling for inspection
8. Delivery conditions
9. Information to be supplied to the coater and
designation
Appendices
A. Selection guidelines
B. Avoidance of hydrogen embrittlement
C. Surface areas of bolts, screws and nuts
D. Delivery conditions
Tables
1. Protective value and service condition number
2. Coating selection
3. Coating recommendations for parallel threads
4. Surface areas of screws and bolts
5. Surface areas of nuts for electroplated coatings
6. Surface areas of nuts for non-electroplated coatings
Figure
1. Constituent surface areas of a bolt or screw
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.