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  • BS 240(1986) : 1986

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    METHOD FOR BRINELL HARDNESS TEST AND FOR VERIFICATION OF BRINELL HARDNESS TESTING MACHINES

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-12-1995

    Language(s):  English

    Published date:  01-01-1986

    Publisher:  British Standards Institution

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

    Foreword
    Committees responsible
    Method
    Section one. General
    1. Scope
    2. Definitions
    3. Symbols and designation of hardness
    Section two. Determination of Brinell hardness
    4. Principle
    5. Apparatus
    6. Conditions of test
    7. Determination of f/D squared ratio and hardness
         scale
    8. Test procedure
    9. Calculation of Brinell hardness value
    Section three. Direct verification of accuracy of the
    testing machine
    10. Principle
    11. Force
    12. Indentor
    13. Measuring apparatus
    14. Performance test
    Section four. Indirect verification of accuracy of the
    testing machine
    15. Principle
    16. Manufacture of hardness test blocks
    17. Calibration of hardness test blocks
    18. Standardizing machine
    19. Indirect verification procedure
    20. Assessment of accuracy of measuring apparatus
         and testing machine
    Appendices
    A. Monitoring the accuracy of the test machine
    B. Advisory comment upon Brinell hardness testing
         procedure
    C. Minimum thickness of test piece
    D. Brinell hardness values (HB) for tests made on flat
         surfaces
    Tables
    1. Value of f/D squared for representative materials
    2. Correlated values of ball diameter and force
         corresponding to values of f/D squared of 30, 10,
         5 and 1
    3. Dimensions of indenter balls for testing machines
    4. Hardness of indenter balls
    5. Maximum permissible error of measuring system
    6. Dimensions of hardness test blocks
    7. Dimensions of indenter balls for standardizing
         machines
    8. Test block hardness for verifiable hardness scales
    9. Minimum thickness of test piece for f/D squared
         of 30, 10, 5 and 1
    10. Brinell scale HB 10/3000
    11. Brinell scale HB 10/1000
    12. Brinell scale HB 10/500
    13. Brinell scale HB 10/100
    14. Brinell scale HB 5/750
    15. Brinell scale HB 5/250
    16. Brinell scale HB 5/125
    17. Brinell scale HB 5/25
    18. Brinell scale HB 2.5/187.5
    19. Brinell scale HB 2.5/62.5
    20. Brinell scale HB 2.5/31.25
    21. Brinell scale HB 2.5/6.25
    22. Brinell scale HB 2/120
    23. Brinell scale HB 2/40
    24. Brinell scale HB 2/20
    25. Brinell scale HB 2/4
    26. Brinell scale HB 1/30
    27. Brinell scale HB 1/10
    28. Brinell scale HB 1/5
    29. Brinell scale HB 1/1
    Figure
    1. Principle of test and form of indentation

    Abstract - (Show below) - (Hide below)

    Describes a method of test for determining the Brinell hardness of metals up to 600 HB at room temperature. Covers symbols and designation of hardness, determination of Brinell hardness, direct verification of accuracy of the testing machine, indirect verification of accuracy of the testing machine, and tables.

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

    Committee ISM/NFM/4
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    BS 1768(1963) : 1963 SPECIFICATION FOR UNIFIED PRECISION HEXAGON BOLTS, SCREWS, & NUTS (UNC & UNF THREADS) - NORMAL SERIES
    BS 328-1(1993) : 1993 DRILLS AND REAMERS - SPECIFICATION FOR TWIST DRILLS
    BS 3A100(1991) : 1991 AEROSPACE SERIES - SPECIFICATION FOR GENERAL REQUIREMENTS FOR BOLTS AND FREE RUNNING NUTS OF TENSILE STRENGTH NOT EXCEEDING 1249 MPA
    BS 3202-2(1991) : 1991 LABORATORY FURNITURE AND FITTINGS - SPECIFICATION FOR PERFORMANCE
    BS 3905(1995) : 1995 SPECIFICATION FOR 3.8/6.6 KV, 300 A BOLTED FLAMEPROOF CABLE COUPLERS AND ADAPTORS, FOR USE IN COAL MINES
    BS 2772-3(1987) : 1987 COLLIERY HAULAGE AND WINDING EQUIPMENT - SPECIFICATION FOR 1.5 % MANGANESE STEEL CASTINGS
    BS 970-3(1991) : 1991 SPECIFICATION FOR WROUGHT STEEL FOR MECHANICAL AND ALLIED ENGINEERING PURPOSES - PART 3: BRIGHT BARS FOR GENERAL ENGINEERING PURPOSES
    BS 1407(1970) : 1970 SPECIFICATION FOR HIGH CARBON BRIGHT STEEL (SILVER STEEL)
    BS 3673-2:1965 SPECIFICATION FOR SPRING RETAINING RINGS - PART 2: CARBON STEEL E CLIPS
    BS 1490(1988) : 1988 SPECIFICATION FOR ALUMINIUM AND ALUMINIUM ALLOY INGOTS AND CASTINGS FOR GENERAL ENGINEERING PURPOSES
    BS 1873(1975) : 1975 SPECIFICATION FOR STEEL GLOBE AND GLOBE STOP AND CHECK VALVES (FLANGED AND BUTT WELDING ENDS) FOR THE PETROLEUM, PETROCHEMICAL AND ALLIED INDUSTRIES
    BS 2HC100(2010) : 2010 PROCEDURE FOR INSPECTION, TESTING AND ACCEPTANCE OF IRON, NICKEL, COPPER, COBALT AND REFRACTORY METAL BASE ALLOY CASTINGS
    BS 4A100(2003) : 2003 AEROSPACE SERIES - SPECIFICATION FOR GENERAL REQUIREMENTS FOR BOLTS AND FREE RUNNING NUTS OF TENSILE STRENGTH NOT EXCEEDING 1249 MPA
    BS 2A260,261,262,263,264,265(2010) : 2010 AEROSPACE SERIES - SPECIFICATION FOR PAN AND 100 DEGREES COUNTERSUNK SLOTTED HEAD SCREWS WITH ISO METRIC SCREW THREADS
    BS 3388(1973) : 1973 SPECIFICATION FOR FORKS, SHOVELS AND SPADES
    BS A300(1989) : 1989 SPECIFICATION FOR PROCUREMENT OF ALLOY STEEL BOLTS WITH STRENGTH CLASSIFICATION 1100 MPA AND MJ THREADS
    BS 970-1(1991) : 1991 SPECIFICATION FOR WROUGHT STEELS FOR MECHANICAL AND ALLIED ENGINEERING PURPOSES - PART 1: GENERAL INSPECTION AND TESTING PROCEDURES AND SPECIFIC REQUIREMENTS FOR CARBON, CARBON MANGANESE, ALLOY AND STAINLESS STEELS
    BS 5045-6(1987) : 1987 TRANSPORTABLE GAS CONTAINERS - SPECIFICATION FOR SEAMLESS CONTAINERS OF LESS THAN 0.5 LITRE WATER CAPACITY
    BS 7201-1(1989) : 1989 HYDRAULIC FLUID POWER - GAS LOADED ACCUMULATORS - SPECIFICATION FOR SEAMLESS STEEL ACCUMULATOR BODIES ABOVE 0.5 L WATER CAPACITY
    BS AU150B(1984) : 1984 SPECIFICATION FOR AUTOMOTIVE V-BELTS & PULLEYS
    BS 4772(1988) : 1988 SPECIFICATION FOR DUCTILE IRON PIPES AND FITTINGS
    BS 3454(1995) : 1995 SPECIFICATION FOR 1.9/3.3 kV. 300 A BOLTED FLAMEPROOF CABLE COUPLERS AND ADAPTORS (INCLUDING 380/660 V AND 640/1100 V, 300 A ADAPTORS) FOR USE IN COAL MINES
    BS 970-1(1996) : 1996 SPECIFICATION FOR WROUGHT STEELS FOR MECHANICAL AND ALLIED ENGINEERING PURPOSES - GENERAL INSPECTION AND TESTING PROCEDURES AND SPECIFIC REQUIREMENTS FOR CARBON, CARBON MANGANESE, ALLOY AND STAINLESS STEELS
    BS 64(1992) : 1992 SPECIFICATION FOR NORMAL AND HIGH STRENGTH STEEL BOLTS AND NUTS FOR RAILWAY RAIL FISHPLATES
    BS 4HR100(2010):2010 AEROSPACE SERIES - PROCEDURE FOR INSPECTION, TESTING AND ACCEPTANCE OF WROUGHT HEAT-RESISTING ALLOYS
    BS 1449-1.1(1991) : 1991 STEEL PLATE, SHEET AND STRIP - CARBON AND CARBON MANGANESE PLATE, SHEET AND STRIP - GENERAL SPECIFICATION
    BS 1434(1985) : 1985 SPECIFICATION FOR COPPER FOR ELECTRICAL PURPOSES: COPPER SECTIONS IN BARS, BLANKS AND SEGMENTS FOR COMMUTATORS
    BS 1083(1965) : 1965 SPECIFICATION FOR PRECISION HEXAGON BOLTS, SCREWS AND NUTS (B.S.W. & B.S.F. THREADS)
    BS 1400(1985) : 1985 SPECIFICATION FOR COPPER ALLOY INGOTS AND COPPER ALLOY HIGH CONDUCTIVITY COPPER CASTINGS
    BS 5125(1990) : 1990 SPECIFICATION FOR 50 A 650 V FLAMEPROOF, RESTRAINED AND BOLTED PLUGS AND SOCKETS FOR USE IN COAL MINES
    BS 5892-4(1992) : 1992 RAILWAY ROLLING STOCK MATERIALS - SPECIFICATION FOR FORGED AND ROLLED TYRES
    BS 5535(1978) : 1978 SPECIFICATION FOR RIGHT ANGLE AND BOX ANGLE PLATES
    BS 4HR 100:2010+A1:2012 AEROSPACE SERIES - PROCEDURE FOR INSPECTION, TESTING AND ACCEPTANCE OF WROUGHT HEAT-RESISTING ALLOYS
    SAEITC TS 22 ISSUE 10 : 2008 MANUFACTURING SPECIFICATION FOR BOLTS, 1100 MPA (159,000 LBF/IN[2]) - ULTIMATE TENSILE STRENGTH - MINIMUM AT ROOM TEMPERATURE
    BS 5892-3(1992) : 1992 RAILWAY ROLLING STOCK MATERIALS - PART 3: SPECIFICATION FOR MONOBLOC WHEELS FOR TRACTION AND TRAILING STOCK
    BS 1924-1:1990 STABILIZED MATERIALS FOR CIVIL ENGINEERING PURPOSES - PART 1: GENERAL REQUIREMENTS, SAMPLING, SAMPLE PREPARATION AND TESTS ON MATERIALS BEFORE STABILIZATION
    BS 4L101(1990) : 1990 AEROSPACE SERIES - PROCEDURE FOR INSPECTION, TESTING AND ACCEPTANCE OF ALUMINIUM-BASE AND MAGNESIUM-BASE INGOTS AND CASTINGS
    BS 5892-3(1992) : 1992 RAILWAY ROLLING STOCK MATERIALS - PART 3: SPECIFICATION FOR MONOBLOC WHEELS FOR TRACTION AND TRAILING STOCK
    BS 3905:1995 (published 1995-11) Specification for 3.8/6.6 kV, 300 A bolted flameproof cable couplers and adaptors, for use in coal mines.
    BS 5125:1990 (published 1990-07) Specification for 50 A 650 V flameproof, restrained and bolted plugs and sockets for use in coal mines
    BS 3454:1995 (published 1995-11) Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors) for use in coal mines
    BS 1873:1975 SPECIFICATION FOR STEEL GLOBE AND GLOBE STOP AND CHECK VALVES (FLANGED AND BUTT WELDING ENDS) FOR THE PETROLEUM, PETROCHEMICAL AND ALLIED INDUSTRIES
    BS 1490:1988 SPECIFICATION FOR ALUMINIUM AND ALUMINIUM ALLOY INGOTS AND CASTINGS FOR GENERAL ENGINEERING PURPOSES
    BS 1400:1985 SPECIFICATION FOR COPPER ALLOY INGOTS AND COPPER ALLOY HIGH CONDUCTIVITY COPPER CASTINGS

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 1610-1(1985) : 1985 MATERIALS TESTING MACHINES AND FORCE VERIFICATION EQUIPMENT - SPECIFICATION FOR THE GRADING OF THE FORCES APPLIED BY MATERIALS TESTING MACHINES
    BS 1610-2(1985) : 1985 MATERIALS TESTING MACHINES FOR THE GRADING AND FORCE VERIFICATION EQUIPMENT - SPECIFICATION FOR THE GRADING OF EQUIPMENT USED FOR THE VERIFICATION OF THE FORCES APPLIED BY MATERIALS TESTING MACHINES
    BS 427-1(1961) : 1961 METHOD FOR VICKERS HARDNESS TEST - TESTING OF METALS
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