Patent Amorphous ID Spraying Super Fine Powders and Laser or PTA Cladding Powders, Hardmetal Clad Super Wear Plates/Tubes.  Chinese   English   Japanese

    Advanced Metallurgy Technology Co., Ltd.

    Hardness Vs Strength

    Hardness Conversion with Tensile Strength

    According to DIN50150,the conversion between Hardness with Tensile Strength of steel is as follows: 

    Tensile Strength
    Rm N/mm2
    Hardness
    HV
    Hardness
    HB
    Hardness
    HRC
    2508076.0
    350110105
    450140133
    545170162
    660205195
    755235223
    77024022820.3
    78524523321.3
    80025023822.2
    82025524223.1
    83526024724.0
    85026525224.8
    86527025725.6
    88027526126.4
    90028026627.1
    91528527127.8
    93029027628.5
    95029528029.2
    96530028529.8
    99531029531.0
    103032030432.2
    106033031433.3
    109534032334.4
    112535033335.5
    1115
    36034236.6
    119037035237.7
    122038036138.8
    125539037139.8
    129040038040.8
    132041039041.8
    135042039942.7
    138543040943.6
    142044041844.5
    145545042845.3
    148546043746.1
    152047044746.9
    1555480(456)47.7
    1595490(466)48.4
    1630500(475)49.1
    1665510(485)49.8
    1700520(494)50.5
    1740530(504)51.1
    1775
    540(513)51.7
    1810550(523)52.3
    1845560(532)53.0
    1880570(542)53.6
    1920580(551)54.1
    1955590(561)54.7
    1995600(570)55.2
    2030610(580)55.7
    2070620(589)56.3
    2105630(599)56.8
    2145640(608)57.3
    2180650(618)57.8

    660
    58.3

    670
    58.8

    680
    59.2

    690
    59.7

    700
    60.1

    720
    61.0

    740
    61.8

    760
    62.5

    780
    63.3

    800
    64.0

    820
    64.7

    840
    65.3

    860
    65.9

    880
    66.4

    900
    67.0

    920
    67.5

    940
    68.0

    Hardness inspection is popular and simple for steel. There is some relation between Tensile Strength with Hardness for steel because both Tensile Strength and Hardness depend on the Deforming capability. The higher tensile strength, the higher capability of anti-deforming, and the higher hardness. The conversion between Tensile Strength with Hardness of steel is roughly and not exact. If you need exact data, you need inspect the specific specimen. 


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