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BS 7371-1:1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

Available format(s)

Hardcopy , PDF

Superseded date

08-31-2009

Language(s)

English

Published date

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

Requirements that are common to all other parts of this specification, including: preparation before coating, avoidance of hydrogen embrittlement, sampling, thickness testing, areas of parallel threaded fasteners, and selection of coatings.

Committee
FME/9
DevelopmentNote
Reviewed and confirmed by BSI, March, 2004. (11/2004) Supersedes 89/70596 DC (09/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS 7371-7:1994 Coatings on metal fasteners Specification for mechanically applied zinc coatings
BS 7371-11:1993 Coatings on metal fasteners Specification for zinc flake non-electrolytically applied cured coatings
BS 7371-3:1993 Coatings on metal fasteners Specification for electroplated zinc and cadmium coatings
09/30203673 DC : 0 BS 7371-7 - COATINGS ON METAL FASTENERS - PART 7: SPECIFICATION FOR MECHANICALLY APPLIED ZINC AND ZINC BASED COATINGS
BS 7371-4:1994 Coatings on metal fasteners Specification for electroplated nickel, nickel/chromium and copper/nickel/chromium coatings
BS 7371-8:1998 Coatings on metal fasteners Specification for sherardized coatings
BS 7371-3:2009 Coatings on metal fasteners Specifications for electroplated zinc coatings
BS 7371-6(1998) : 1998 COATINGS ON METAL FASTENERS - PART 6: SPECIFICATION FOR HOT DIPPED GALVANIZED COATINGS
BS 7371-2:1993 Coatings on metal fasteners Specification for torque/clamping force relationship
06/19974979 DC : DRAFT OCT 2006 BS 7371-7 - COATINGS ON METAL FASTENERS - PART 7: SPECIFICATION FOR MECHANICALLY APPLIED ZINC AND ZINC BASED COATINGS
BS 7371-12:2008 Coatings on metal fasteners Requirements for imperial fasteners
BS 7795:1995 Specification for bolts, screws and studs with a pre-applied micro-encapsulated chemical adhesive feature incorporated into the thread
BS 7773:1995 Code of practice for cleaning and preparation of metal surfaces
BS 7371-9:1996 Coatings on metal fasteners Specification for phosphate or phosphate and oil coatings
BS 7371-10:1994 Coatings on metal fasteners Specification for organic coatings
BS 7715:1994 Specification for prevailing torque type bolts, screws and studs with non-metallic prevailing torque elements incorporated into the thread

BS 6041(1981) : 1981 METHOD OF SAMPLING OF ELECTRODEPOSITED METALLIC COATINGS AND RELATED FINISHES: PROCEDURES FOR INSPECTION BY ATTRIBUTES
BS 6104-3:1981 Mechanical properties of fasteners Specification for set screws and similar threaded fasteners not under tensile stresses
BS 6104-1:1981 Mechanical properties of fasteners Specification for bolts, screws and studs
BS 6104-2:1983 Mechanical properties of fasteners Specification for nuts with specified proof load values

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