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  • BS EN 20898-1:1992

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    View superseded by

    Mechanical properties of fasteners Bolts, screws and studs

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-10-1999

    Language(s):  English

    Published date:  01-04-1992

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Cooperating organizations
    National foreword
    Foreword
    1. Scope and field of application
    2. References
    3. Designation system
    4. Materials
    5. Mechanical properties
    6. Mechanical properties to be determined
    7. Minimum ultimate tensile loads and proofing loads
    8. Test methods
    9. Marking
    Annex
    Properties at elevated temperature
    Tables
    1. System of coordinates
    2. Steels
    3. Mechanical properties of bolts, screws and studs
    4. Key to test programmes
    5. Test programmes A and B for acceptance purposes
    6. Minimum ultimate tensile loads - ISO metric coarse
         pitch thread
    7. Proofing loads - ISO metric coarse pitch thread
    8. Minimum ultimate tensile loads - ISO metric fine
         pitch thread
    9. Proofing loads - ISO metric fine pitch thread
    10. Hole diameters for wedge loading test
    11. Wedge dimensions
    12. Values of angle beta
    13. Values for H1 and E
    14. Marking symbols
    15. Identification marks for studs
    16. Properties at elevated temperature
    Figures
    1. Test piece for tensile test
    2. Application of proofing load to full-size bolts
    3. Wedge loading of full-size bolts
    4. Head soundness test
    5. Zones of decarburization
    6. Hardness measurements for decarburization test
    7. Examples of marking on hexagon bolts and screws
    8. Examples of marking on hexagon socket head cap screws
    9. Marking of stud
    10. Left-hand thread marking
    11. Alternative left-hand thread marking
    National annex NA (informative)
    National annex NB (informative)

    Abstract - (Show below) - (Hide below)

    Bolts, screws and studs with nominal diameters up to and including 39 mm of any triangular ISO thread and made of carbon steel or alloy steel. Not applicable to set screws and similar threaded fasteners.

    General Product Information - (Show below) - (Hide below)

    Committee FME/9
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    96/709826 DC : DRAFT JUL 1996 ISO/CD 6164-1 - HYDRAULIC FLUID POWER - ONE-PIECE SQUARE-FLANGE CONNECTORS - PART 1: FOUR-SCREW SQUARE-FLANGE CONNECTORS FOR USE AT PRESSURE OF 25MPA (250 BAR) TO 35 MPA (350 BAR), DN 10 TO DN 63
    BS 7842:1996 Bolts, screws and studs with pre-applied thread sealing feature incorporated into the thread
    BS 7814:1995 Specification for bolts and screws incorporating either underhead locking or anti-rotation features
    96/709825 DC : DRAFT JUL 1996 ISO/CD 6164-2 - HYDRAULIC FLUID POWER - ONE-PIECE SQUARE-FLANGE CONNECTORS - PART 2: FOUR-SCREW SQUARE-FLANGE CONNECTORS FOR USE AT PRESSURES OF 31,5 MPA (315 BAR) TO 40 MPA (400 BAR), DN 10 TO DN 80
    BS EN 26157-3:1992 Fasteners. Surface discontinuities. Bolts, screws and studs for special requirements
    BS 7905-1:2001 Lifting equipment for performance, broadcast and similar applications Specification for the design and manufacture of above stage equipment (excluding trusses and towers)
    BS 7433-1:1991 Cross recessed machine screws Specification for pan head screws of product grade A
    BS PD5500(2015) : 2015 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
    BS 5950-5:1998 STRUCTURAL USE OF STEELWORK IN BUILDING - PART 5: CODE OF PRACTICE FOR DESIGN OF COLD FORMED THIN GAUGE SECTIONS
    BS PD5500(2018) : 2018 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
    BS 5268-2:1996 Structural use of timber Code of practice for permissible stress design, materials and workmanship
    BS 6779-1:1998 Highway parapets for bridges and other structures Specification for vehicle containment parapets of metal construction
    BS 64:1992 Specification for normal and high strength steel bolts and nuts for railway rail fishplates
    BS 7433-2:1991 Cross recessed machine screws Specification for countersunk flat head screws product grade A and property class 4.8 only
    BS 7371-2:1993 Coatings on metal fasteners Specification for torque/clamping force relationship
    DEFSTAN 95-30/3(2007) : 2007 FV CONSTRUCTION: AUTO STUD WELDING
    BS 7795:1995 Specification for bolts, screws and studs with a pre-applied micro-encapsulated chemical adhesive feature incorporated into the thread
    BS 7670-1:1993 Steel nuts and bolts for resistance projection welding. Specification for dimensions and properties
    BS EN 28839:1992 Mechanical properties of fasteners. Bolts, screws, studs and nuts made of non-ferrous metals
    EN 28839 : 1991 MECHANICAL PROPERTIES OF FASTENERS - BOLTS, SCREWS, STUDS AND NUTS MADE OF NON-FERROUS METALS (ISO 8839:1986)
    BS 7371-9:1996 Coatings on metal fasteners Specification for phosphate or phosphate and oil coatings
    BS 7433-3:1991 Cross recessed machine screws Specification for raised countersunk head screws product grade A
    BS AU 50-2.3:1994 Tyres and wheels. Wheels and rims Specification for road-wheel nuts, studs and bolts for commercial vehicles
    BS 7715:1994 Specification for prevailing torque type bolts, screws and studs with non-metallic prevailing torque elements incorporated into the thread
    BS EN 20898-7:1995 Mechanical properties of fasteners Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm
    BS EN 26157-1:1992 Fasteners. Surface discontinuities. Bolts, screws and studs for general requirements
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