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        Your present location:首页 >> PRODUCT >> High strength bolts Division >> Shear bolt of high strength twist steel structure >> National standard >> GB3632 CHINESE STANDARD Tension control bolt set
        • Product name: GB3632 CHI...
        • On time: 2014-05-19
        • Views : 181

         

        螺栓/螺母/垫圈尺寸表

        螺纹规格M

        M16

        M20

        M22

        M24

        M27

        M30

        螺距P

        2

        2.5

        2.5

        3

        3

        3.5


        dw

        min

        27.9

        34.5

        38.5

        41.5

        42.8

        46.5

        b

        L

        ≤50

        ≥55

        ≤60

        ≥65

        ≤65

        ≥70

        ≤70

        ≥75

        ≤75

        ≥80

        ≤80

        ≥85

        nominal

        30

        35

        35

        40

        40

        45

        45

        50

        50

        55

        55

        60

        K”

        max

        17

        19

        21

        23

        24

        25

        L

         

        40-130

        45-160

        50-220

        55-250

        60-280

        65-320


        dw

        min

        24.9

        31.4

        33.3

        38.0

        42.8

        46.5

        c

        max

        0.8

        0.8

        0.8

        0.8

        0.8

        0.8

        min

        0.4

        0.4

        0.4

        0.4

        0.4

        0.4

        m

        max

        17.1

        20.7

        23.6

        24.2

        27.6

        30.7

        min

        16.4

        19.4

        22.3

        22.9

        26.3

        29.1

        S

        max

        27

        34

        36

        41

        46

        50

        min

        26.16

        33

        35

        40

        45

        49


        圈wasehr

        d2

        min

        31.4

        38.4

        40.4

        45.4

        50.1

        54.1

        max

        33

        40

        42

        47

        52

        56

        d1

        min

        17

        21

        23

        25

        28

        31

        max

        17.43

        21.52

        23.52

        25.52

        28.52

        31.62

        h

        公称

        4.0

        4.0

        5.0

        5.0

        5.0

        5.0

        min

        3.5

        3.5

        4.5

        4.5

        4.5

        4.5

        max

        4.8

        4.8

        5.8

        5.8

        5.8

        5.8

        d3

        min

        19.23

        24.32

        26.32

        28.32

        32.84

        35.84

        max

        20.03

        25.12

        27.12

        29.12

        33.64

        36.64

        螺栓材料和机械性能

        性能等级

        螺纹规格

        材质

        抗拉强度Mpa

        规定非比例延伸Mpa

        硬度HRC

        伸长率%

        收缩率%

        10.9S

        M16~M24

        20MnTiB

        1040~1240

        ≥940

        33~39

        ≥10

        ≥42

        M27~M30

        35VB

        连接副紧固轴力

        螺纹规格M

        M16

        M20

        M22

        M24

        M27

        M30

        紧固轴力KN

        100-121

        155-188

        190-230

        225-272

        290-351

        355-430

        螺母机械性能

        螺纹规格M

        M16

        M20

        M22

        M24

        M27

        M30

        保证载荷(kN)

        163

        255

        315

        367

        477

        583

        性能等级

        10H

        材料

        35或45(GB/T 699)、ML35(GB/T6478)

        硬度

        洛氏硬度98HRB~32HRC、维氏硬度222~304HV30

        垫圈机械性能

        硬度

        洛氏硬度35HRC~45HRC、维氏硬度329~436HV30

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