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Tension Springs / Heavy Load

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Volume Discount

MISUMI

[Features] Material can be selected from Spring Steel (JIS-SWP)-A and EN 1.4301 Equiv. (sintered)-WPB.

Stock

(i)Remark

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Part Number

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the corresponding part number is displayed here.

Type	Material
AW□ BWT	JIS-SWP-A
AUT BUT	EN 1.4301 (WPB) Equiv.

Specifications

Part Number

AWT10-50

■Medium Heavy Load Type

Part Number		Wire Dia. dmm	Dynamic Load		(Initial Tension) N	(Spring Constant) N/mm	Unit Price
Type	D-L	Wire Dia. dmm	Max. Deflection Fmax. mm	Max. Load N	(Initial Tension) N	(Spring Constant) N/mm	Unit Price
AWF	3-10	0.45	2.2	6.47	1.57	2.26
	15		4.5			1.08
	20		6.7			0.74
	25		9.1			0.54
	30		11.4			0.43
AWF	4-15	0.55	4.5	8.43	1.86	1.47
	20		7.1			0.93
	25		10.0			0.66
	30		12.6			0.52
	35		15.2			0.43
	40		18.1			0.36
AWF	5-15	0.7	3.9	14.71	2.45	3.14
	20		6.9			1.77
	25		9.6			1.28
	30		12.5			0.98
	35		15.6			0.78
	40		19.2			0.64
	45		21.9			0.56
	50		25.0			0.49
AWF	6-20	0.9	3.9	23.54	5.88	4.51
	25		6.0			2.94
	30		7.8			2.26
	35		10.0			1.77
	40		12.0			1.47
	45		13.8			1.28
	50		16.4			1.08
	55		18.0			0.98
	60		20.0			0.88
AWF	8-25	1.1	5.8	31.38	6.86	4.23
	30		8.3			2.94
	35		10.9			2.26
	40		13.2			1.86
	45		15.6			1.57
	50		18.5			1.32
	55		21.7			1.13
	60		23.8			1.03
	65		26.3			0.93
	70		27.8			0.88
AWF	10-30	1.4	6.5	49.03	12.75	5.58
	35		8.7			4.17
	40		10.7			3.39
	45		12.9			2.81
	50		15.2			2.39
	55		17.2			2.11
	60		19.5			1.86
	70		23.1			1.57
	80		27.4			1.32
	90		32.1			1.13
	100		46.2			0.79
AWF	12-35	1.8	5.0	83.36	23.54	12.0
	40		7.0			8.55
	45		9.0			6.65
	50		11.0			5.44
	55		13.0			4.60
	60		14.5			4.13
	70		17.8			3.36
	80		21.3			2.81
	90		24.5			2.44
	100		27.5			2.18

■Heavy Load Type * marked dimensions are for AWT and AUT only.

Part Number		Wire Dia. dmm	Dynamic Load		(Initial Tension) N	(Spring Constant) N/mm	Unit Price
Type	D-L	Wire Dia. dmm	Max. Deflection Fmax. mm	Max. Load N	(Initial Tension) N	(Spring Constant) N/mm	AWT BWT	AUT BUT
AWT AUT BWT BUT	3-10	0.5	2.0	8.8	2.16	3.24
	15		3.7			1.77
	20		5.2			1.27
	25		6.8			0.98
	*30		8.5			0.78
AWT AUT BWT BUT	4-15	0.6	4.0	11.1	2.55	2.16
	20		6.4			1.37
	25		8.4			0.98
	30		10.9			0.78
	*35		12.4			0.69
	*40		15.0			0.57
AWT AUT BWT BUT	5-15	0.8	2.9	20.79	5.1	5.39
	20		4.6			3.43
	25		6.4			2.45
	30		8.4			1.86
	35		10.0			1.57
	*40		11.4			1.38
	*45		13.3			1.18
	*50		15.2			1.03
AWT BWT AUT BUT	6-20	1.0	3.7	33.15	8.6	6.57
	25		5.3			4.61
	30		6.9			3.53
	35		8.3			2.94
	40		10.0			2.45
	*45		10.8			2.27
	*50		12.5			1.96
	*55		14.3			1.71
	*60		15.6			1.57
AWT BWT AUT BUT	8-25	1.2	5.3	41.19	9.81	5.88
	30		7.3			4.31
	35		9.1			3.43
	40		11.9			2.65
	45		13.6			2.35
	50		15.5			2.06
	*55		16.8			1.87
	*60		18.8			1.67
	*65		20.6			1.52
	*70		22.8			1.38
AWT BWT AUT BUT	10-30	1.6	5.2	77.47	20.59	10.89
	35		6.8			8.34
	40		8.4			6.77
	45		10.0			5.69
	50		11.6			4.9
	55		13.2			4.31
	60		15.2			3.73
	*65		17.0			3.35
	*70		19.3			2.95
	*75		20.7			2.75
	*80		24.1			2.36
	*90		26.3			2.16
	*100		29.0			1.96
AWT BWT AUT BUT	12-40	2.0	6.6	120.62	34.3	13.04
	45		7.7			11.18
	50		9.4			9.22
	55		10.5			8.24
	60		12.1			7.16
	65		13.1			6.57
	70		14.9			5.79
	75		16.0			5.39
	80		17.6			4.9
	*90		19.1			4.52
	*100		22.0			3.92
AWT	14-40	2.3	5.8	154.95	45.11	19.02		-
	45		7.0			15.59
	50		8.4			13.14
	55		9.6			11.47
	60		10.9			10.1
	65		12.9			8.53
	70		14.2			7.75
	75		15.3			7.16
	80		16.7			6.57
	90		18.6			5.91
	100		21.1			5.21
	125		28.0			3.92
AWT	16-50	2.6	7.5	195.15	55.9	18.63		-
	55		9.0			15.49
	60		10.4			13.34
	65		11.9			11.67
	70		13.4			10.4
	75		15.0			9.32
	80		16.5			8.43
	90		19.4			7.16
	100		22.4			6.18
	125		28.4			4.90
	150		35.5			3.92
AWT	18-55	2.9	8.3	236.34	68.65	20.1		-
	60		10.0			16.67
	65		11.6			14.71
	70		12.5			13.44
	75		14.1			11.77
	80		15.8			10.79
	90		18.4			9.12
	100		21.6			7.75
	125		27.1			6.19
	150		34.2			4.90
AWT	20-60	3.2	9.2	281.45	82.38	21.57		-
	70		11.9			16.67
	80		14.7			13.53
	90		17.5			11.38
	100		20.1			9.9
	125		27.8			7.16
	150		33.8			5.89
	175		40.6			4.90
AWT	24-80	4.0	11.7	430.51	123.6	26.48		-
	90		13.7			22.46
	100		16.6			18.63
	125		22.5			13.63
	150		28.5			10.79
	175		34.4			8.92
	200		41.2			7.45

Initial tension and spring constant are for reference only. Load {kgf} = Load N x 0.101972

Part Number:

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Data to be displayed: 30; 45; 60

Part Number
AUT12-40
AUT12-45
AUT12-50
AUT12-55
AUT12-60
AUT12-65
AUT12-70
AUT12-75
AUT12-80
AUT12-90
AUT12-100
AWT12-40
AWT12-45
AWT12-50
AWT12-55
AWT12-60
AWT12-65
AWT12-70
AWT12-75
AWT12-80
AWT12-90
AWT12-100
AWT14-40
AWT14-45
AWT14-50
AWT14-55
AWT14-60
AWT14-65
AWT14-70
AWT14-75
AWT14-80
AWT14-90
AWT14-100
AWT14-125
AWT16-50
AWT16-55
AWT16-60
AWT16-65
AWT16-70
AWT16-75
AWT16-80
AWT16-90
AWT16-100
AWT16-125
AWT16-150
AWT18-55
AWT18-60
AWT18-65
AWT18-70
AWT18-75
AWT18-80
AWT18-90
AWT18-100
AWT18-125
AWT18-150
AWT20-60
AWT20-70
AWT20-80
AWT20-90
AWT20-100

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Material	Allowable Load (Configurable Range) (N)	Hook Opposing Angle	Max. Load (N)	Length of Spring Used L+F (mm)	Free Length L (mm)	O.D. D (mm)	Initial Tension (N)	Reference Spring Constant (N/mm)	Wire Dia. (mm)	Max. Deflection (mm)
3.91 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	46.6	40	12	34.3	13.04	2	6.6
3.91 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	52.7	45	12	34.3	11.18	2	7.7
4.41 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	59.4	50	12	34.3	9.22	2	9.4
4.41 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	65.5	55	12	34.3	8.24	2	10.5
5.26 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	72.1	60	12	34.3	7.16	2	12.1
5.26 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	78.1	65	12	34.3	6.57	2	13.1
5.75 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	84.9	70	12	34.3	5.79	2	14.9
5.75 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	91	75	12	34.3	5.39	2	16
5.75 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	97.6	80	12	34.3	4.9	2	17.6
7.94 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	109.1	90	12	34.3	4.52	2	19.1
7.94 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	110.01 or More	180°	120.62	122	100	12	34.3	3.92	2	22
3.43 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	46.6	40	12	34.3	13.04	2	6.6
3.43 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	52.7	45	12	34.3	11.18	2	7.7
3.43 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	59.4	50	12	34.3	9.22	2	9.4
3.43 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	120.62	65.5	55	12	34.3	8.24	2	10.5
3.67 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	72.1	60	12	34.3	7.16	2	12.1
3.67 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	78.1	65	12	34.3	6.57	2	13.1
3.67 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	84.9	70	12	34.3	5.79	2	14.9
3.67 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	91	75	12	34.3	5.39	2	16
3.67 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	120.62	97.6	80	12	34.3	4.9	2	17.6
6.60 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	120.62	109.1	90	12	34.3	4.52	2	19.1
6.60 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	120.62	122	100	12	34.3	3.92	2	22
3.67 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	45.8	40	14	45.11	19.02	2.3	5.8
3.67 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	154.95	52	45	14	45.11	15.59	2.3	7
3.67 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	58.4	50	14	45.11	13.14	2.3	8.4
3.91 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	64.6	55	14	45.11	11.47	2.3	9.6
3.91 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	70.9	60	14	45.11	10.1	2.3	10.9
3.91 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	77.9	65	14	45.11	8.53	2.3	12.9
3.91 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	84.2	70	14	45.11	7.75	2.3	14.2
3.91 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	90.3	75	14	45.11	7.16	2.3	15.3
3.91 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	96.7	80	14	45.11	6.57	2.3	16.7
6.73 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	108.6	90	14	45.11	5.91	2.3	18.6
6.73 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	154.95	121.1	100	14	45.11	5.21	2.3	21.1
6.73 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	154.95	153	125	14	45.11	3.92	2.3	28
4.15 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	195.15	57.5	50	16	55.9	18.63	2.6	7.5
4.15 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	64	55	16	55.9	15.49	2.6	9
4.64 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	70.4	60	16	55.9	13.34	2.6	10.4
4.64 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	76.9	65	16	55.9	11.67	2.6	11.9
4.64 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	83.4	70	16	55.9	10.4	2.6	13.4
4.89 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	90	75	16	55.9	9.32	2.6	15
4.89 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	96.5	80	16	55.9	8.43	2.6	16.5
4.89 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	109.4	90	16	55.9	7.16	2.6	19.4
4.89 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	122.4	100	16	55.9	6.18	2.6	22.4
7.10 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	153.4	125	16	55.9	4.9	2.6	28.4
7.10 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	195.15	185.5	150	16	55.9	3.92	2.6	35.5
4.89 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	236.34	63.3	55	18	68.65	20.1	2.9	8.3
4.89 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	70	60	18	68.65	16.67	2.9	10
4.89 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	76.6	65	18	68.65	14.71	2.9	11.6
4.89 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	82.5	70	18	68.65	13.44	2.9	12.5
5.26 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	89.1	75	18	68.65	11.77	2.9	14.1
5.26 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	95.8	80	18	68.65	10.79	2.9	15.8
5.26 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	108.4	90	18	68.65	9.12	2.9	18.4
5.26 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	121.6	100	18	68.65	7.75	2.9	21.6
7.34 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	236.34	152.1	125	18	68.65	6.19	2.9	27.1
7.94 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	236.34	184.2	150	18	68.65	4.9	2.9	34.2
5.26 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	281.45	69.2	60	20	82.38	21.57	3.2	9.2
5.26 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	281.45	81.9	70	20	82.38	16.67	3.2	11.9
5.26 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	281.45	94.7	80	20	82.38	13.53	3.2	14.7
5.99 €	1	Available	5 Days	10	JIS-SWP-A	110.01 or More	180°	281.45	107.5	90	20	82.38	11.38	3.2	17.5
5.99 €	1	Available	Same day Stock	10	JIS-SWP-A	110.01 or More	180°	281.45	120.1	100	20	82.38	9.9	3.2	20.1

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Basic information

Type	Standard Type

Configure

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Stock

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Basic Attributes

Material
- EN 1.4301 (WPB) Equiv.
- JIS-SWP-A
Clear
Hook Opposing Angle
- 180°
- 90°
Clear
Max. Load(N)
6.47

8.43

8.8

11.1

14.71

20.79

23.54

31.38

33.15

41.19

49.03

77.47

83.36

120.62

154.95

195.15

236.34

281.45

430.51
Clear
Length of Spring Used L+F(mm)
12

12.2

17.9

18.7

18.9

19

19.5

23.7

23.9

24.6

25.2

26.4

26.7

26.9

27.1

30.3

30.8

31

31.4

31.8

33.4

34.1

34.6

35

35.2

36.5

36.9

37.3

37.8

38.3

38.4

38.5

40

40.9

41.4

41.8

42.5

42.6

43.3

43.7

44.1

45

45.8

45.9

46.6

47

47.4

48.4

50

50.2

50.6

50.7

51.4

51.9

52

52.7

53.2

54

55

55.8

57.5

57.9

58.1

58.3

58.4

58.6

58.8

59.2

59.4

60.6

61

61.6

62.5

63.3

64

64.6

65.2

65.5

66.4

66.9

68

68.2

68.5

69.2

69.3

70

70.4

70.9

71.8

72.1

72.2

73

74.5

75

75.2

75.6

76.6

76.7

76.9

77.9

78.1

78.8

79.5

80

81.9

82

82.5

83.4

83.8

84.2

84.9

85.6

87.8

89.1

89.3

90

90.3

91

91.3

91.7

92.8

93.1

94.7

95.7

95.8

96.5

96.7

97.6

97.8

101.3

103.7

104.1

107.4

107.5

108.4

108.6

109.1

109.4

114.5

116.3

116.6

120.1

121.1

121.6

122

122.1

122.4

127.5

129

146.2

147.5

152.1

152.8

153

153.4

178.5

183.8

184.2

185.5

209.4

215.6

241.2
Clear
Free Length L(mm)
10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

90

100

125

150

175

200
Clear
O.D. D(mm)
3

4

5

6

8

10

12

14

16

18

20

24
Clear
Initial Tension(N)
1.57

1.86

2.16

2.45

2.55

5.1

5.88

6.86

8.6

9.81

12.75

20.59

23.54

34.3

45.11

55.9

68.65

82.38

123.6
Clear
Reference Spring Constant(N/mm)
0.36

0.43

0.49

0.52

0.54

0.56

0.57

0.64

0.66

0.69

0.74

0.78

0.79

0.88

0.93

0.98

1.03

1.08

1.13

1.18

1.27

1.28

1.32

1.37

1.38

1.47

1.52

1.57

1.67

1.71

1.77

1.86

1.87

1.96

2.06

2.11

2.16

2.18

2.26

2.27

2.35

2.36

2.39

2.44

2.45

2.65

2.75

2.81

2.94

2.95

3.14

3.24

3.35

3.36

3.39

3.43

3.53

3.73

3.92

4.13

4.17

4.23

4.31

4.51

4.52

4.60

4.61

4.9

5.21

5.39

5.44

5.58

5.69

5.79

5.88

5.89

5.91

6.18

6.19

6.57

6.65

6.77

7.16

7.45

7.75

8.24

8.34

8.43

8.53

8.55

8.92

9.12

9.22

9.32

9.9

10.1

10.4

10.79

10.89

11.18

11.38

11.47

11.67

11.77

12.0

13.04

13.14

13.34

13.44

13.53

13.63

14.71

15.49

15.59

16.67

18.63

19.02

20.1

21.57

22.46

26.48
Clear
Wire Dia.(mm)
0.45

0.5

0.55

0.6

0.7

0.8

0.9

1

1.1

1.2

1.4

1.6

1.8

2

2.3

2.6

2.9

3.2

4
Clear
Max. Deflection(mm)
2

2.2

2.9

3.7

3.9

4

4.5

4.6

5

5.2

5.3

5.8

6

6.4

6.5

6.6

6.7

6.8

6.9

7

7.1

7.3

7.5

7.7

7.8

8.3

8.4

8.5

8.7

9

9.1

9.2

9.4

9.6

10

10.4

10.5

10.7

10.8

10.9

11

11.4

11.6

11.7

11.9

12

12.1

12.4

12.5

12.6

12.9

13

13.1

13.2

13.3

13.4

13.6

13.7

13.8

14.1

14.2

14.3

14.5

14.7

14.9

15

15.2

15.3

15.5

15.6

15.8

16

16.4

16.5

16.6

16.7

16.8

17

17.2

17.5

17.6

17.8

18

18.1

18.4

18.5

18.6

18.8

19.1

19.2

19.3

19.4

19.5

20

20.1

20.6

20.7

21.1

21.3

21.6

21.7

21.9

22

22.4

22.5

22.8

23.1

23.8

24.1

24.5

25.0

26.3

27.1

27.4

27.5

27.8

28

28.4

28.5

29

32.1

33.8

34.2

34.4

35.5

40.6

41.2

46.2
Clear
Type
- AUT
- AWF
- AWT
- BUT
- BWT
Clear
Allowable Load (Configurable Range)(N)
- 3.51 to 8.00
- 8.01 to 15.00
- 15.01 to 30.00
- 30.01 to 60.00
- 60.01 to 110.00
- 110.01 or More
Clear
Filter by CAD data type
- 2D
- 3D
Clear

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The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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