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GB3632 CHINESE STANDARD Tension control bolt set
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GB3632 CHINESE STANDARD Tension control bolt set

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Product description
Parameters

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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Mail box:zhaoboluosi@126.com

 

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Mail box:info@jzbolts.com

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