ANSI/ASME B18.2.4.6M

Metric Heavy Hex Nuts H=D

Standards:

Certifications:

PED 2014/68EU, AD 2000 Merkblatt, EN 10204-3.1/3.2, ASTM, ASME Boiler and Pressure Vessel Code, NACE MR0175, ASME B16.34, EN 10269

Equivalent norm:

DIN 934 H=D, ISO 4033

Materials:

SA 194 - Gr.2H, Gr.4, Gr.7, Gr.16

SA 194 - Gr.2HM, Gr.7M (NACE conforming)

SA 194 - Gr.8, 8M, 8T

SA 540

1.7225 / 42CrMo4+QT (GC)

1.4980 / X6NiCrTiMoVB25-15-2+QT (SD)

1.4923 / X22CrMoV12-1+QT (V,VH)

Inconel 625 / 2.4856, Inconel 718 / 2.4668, Alloy 825,

all materials

H=D nut for using with studbolts. Usually for petrochemical, Oil & Gas industry. Similar to ISO 4033 but with bigger hexagon dia. A/F

Table of Sizes

d	e	s	m
M12	22.78 - 24.25	20.16 - 21.00	11.9 - 12.3
M14	26.17 - 27.17	23.16 - 24.00	13.6 - 14.3
M16	29.56 - 31.18	26.16 - 27.00	16.4 - 17.1
M20	37.29 - 39.26	33.0 - 34.0	19.4 - 20.7
M22	39.55 - 41.57	35.0 - 36.0	22.3 - 23.6
M24	45.20 - 47.34	40.0 - 41.0	22.9 - 24.2
M27	50.85 - 53.12	45.0 - 46.0	26.3 - 27.5
M30	55.37 - 57.74	49.0 - 50.0	29.1 - 30.7
M36	66.44 - 69.28	58.8 - 60.0	35.0 - 36.6
M42	77.41 - 80.83	67.9 - 70.0	40.4 - 42.0
M48	88.46 - 92.38	77.6 - 80.0	46.4 - 48.0
M56	99.41 - 103.92	87.2 - 90.0	54.1 - 56.0
M64	110.35 - 115.47	96.8 - 100.0	62.1 - 64.0
M72	121.30 - 127.02	106.4 - 110.0	70.1 - 72.0
M80	132.24 - 138.56	116.0 - 120.0	78.1 - 80.0
M90	148.77 - 155.88	130.5 - 135.0	87.8 - 90.0
M100	165.30 - 173.21	145.0 - 150.0	97.8 - 100.0

M12

22.78 - 24.25

20.16 - 21.00

11.9 - 12.3

M14

26.17 - 27.17

23.16 - 24.00

13.6 - 14.3

M16

29.56 - 31.18

26.16 - 27.00

16.4 - 17.1

M20

37.29 - 39.26

33.0 - 34.0

19.4 - 20.7

M22

39.55 - 41.57

35.0 - 36.0

22.3 - 23.6

M24

45.20 - 47.34

40.0 - 41.0

22.9 - 24.2

M27

50.85 - 53.12

45.0 - 46.0

26.3 - 27.5

M30

55.37 - 57.74

49.0 - 50.0

29.1 - 30.7

M36

66.44 - 69.28

58.8 - 60.0

35.0 - 36.6

M42

77.41 - 80.83

67.9 - 70.0

40.4 - 42.0

M48

88.46 - 92.38

77.6 - 80.0

46.4 - 48.0

M56

99.41 - 103.92

87.2 - 90.0

54.1 - 56.0

M64

110.35 - 115.47

96.8 - 100.0

62.1 - 64.0

M72

121.30 - 127.02

106.4 - 110.0

70.1 - 72.0

M80

132.24 - 138.56

116.0 - 120.0

78.1 - 80.0

M90

148.77 - 155.88

130.5 - 135.0

87.8 - 90.0

M100

165.30 - 173.21

145.0 - 150.0

97.8 - 100.0

More info about ANSI/ASME B18.2.4.6M - Metric Heavy Hex Nuts H=D

1.7218 / 25CrMo4+QT (KG)

1.7225 / 42CrMo4+QT (GC)

1.7709 / 21CrMoV5-7+QT (GA)

1.4913 / X19CrMoNbVN11-1+QT (VW)

1.4923 / X22CrMoV12-1+QT1 (V)

1.4980 / X6NiCrTiMoVB25-15-2 (SD)

1.4986 / X7CrNiMoBNb16-16 (SD)

1.7729 / 20CrMoVTiB4-10, DUREHETE 1055, Alloy T41

ASTM/ASME 2H, Gr.7, Gr.16, Gr.8, Gr.8M

Tuercas 1.7218 / 25CrMo4+QT (KG)
Tuercas 1.7225 / 42CrMo4+QT (GC)
Tuercas 1.7709 / 21CrMoV5-7+QT (GA)
Tuercas 1.4913 / X19CrMoNbVN11-1+QT (VW)
Tuercas 1.4923 / X22CrMoV12-1+QT1 (V)
Tuercas 1.4980 / X6NiCrTiMoVB25-15-2 (SD)
Tuercas 1.4986 / X7CrNiMoBNb16-16 (SD)
Tuercas 2H
Tuercas Gr.4
Tuercas Gr.7
Tuercas Gr.8
Tuercas Gr.8M
Tuercas Gr.8T

ANSI/ASME B18.2.4.6M

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