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Tension Springs Ultra Light Load / Light Load【1-100 Pieces Per Package】 (Part Numbers)

Volume Discount

MiSUMi Economy

- This is an economy item; The price is cheaper than the MISUMI standard product.
- The wire material of spring can be selected 2 type SUS304WP-B or SWP-A.
- C－AWA and C－AUA are Ultra-light load Tension springs.
- C－AWY and C－AUY are Light load Tension springs.
- The outer diameter of spring can be selected from 3.0 mm to 8.0 mm.
- The free length of spring can be selected from 10 mm to 60 mm.

RoHS

Part Number

Configured Part Number is shown.

Drawing/Specifications
3D Preview
Part Numbers

Dimensional Drawing

Shape		Material
C-AUA		SUS304-WPB
C-AUY
C-BUY
C-AWA		Spring Steel
C-AWY
C-BWY

Specification Table

■ Ultra Light Load

Type	Coil Outer Diameter D — Free Length L		Wire Diameter d mm	Under Dynamic Load		(Initial Tension) N	(Spring Constant) N/mm
				Under Dynamic Load
				Maximum Displacement Fmax.Mm	Maximum Load N



C-AWA (Spring Steel) C-AUA (SUS304-WPB)	2-	10	0.2	6.7	0.69	0.13	0.083
	3-	10	0.25	10.4	1.27	0.15	0.11
		15	0.25	23	1.27	0.15	0.049
		20	0.25	35.9	1.27	0.15	0.031
		25	0.25	47.9	1.27	0.15	0.024
	4-	15	0.35	14.6	2.26	0.25	0.14
		20	0.35	24.1	2.26	0.25	0.083
		25	0.35	32.5	2.26	0.25	0.062
		30	0.35	60.3	2.26	0.25	0.033
		35	0.35	51.2	2.26	0.25	0.039
		40	0.35	60.3	2.26	0.25	0.033
	5-	15	0.45	8.2	3.24	0.49	0.33
		20	0.45	15.5	3.24	0.49	0.18
		25	0.45	21.5	3.24	0.49	0.13
		30	0.45	29.4	3.24	0.49	0.093
		35	0.45	35	3.24	0.49	0.078
		40	0.45	43	3.24	0.49	0.064
		45	0.45	50.9	3.24	0.49	0.054
		50	0.45	56	3.24	0.49	0.049
	6-	20	0.55	16.2	6.08	0.64	0.34
		25	0.55	25.2	6.08	0.64	0.22
		30	0.55	34.7	6.08	0.64	0.16
		35	0.55	42.7	6.08	0.64	0.13
		40	0.55	50.4	6.08	0.64	0.11
		45	0.55	61.6	6.08	0.64	0.088
		50	0.55	69.3	6.08	0.64	0.079
		55	0.55	79.3	6.08	0.64	0.069
		60	0.55	85.3	6.08	0.64	0.064
	8-	25	0.7	18.1	8.53	1.08	0.41
		30	0.7	27.1	8.53	1.08	0.28
		35	0.7	36.2	8.53	1.08	0.21
		40	0.7	44.7	8.53	1.08	0.17
		45	0.7	54.2	8.53	1.08	0.14
		65	0.7	89.4	8.53	1.08	0.083
	10-	50	0.9	35.6	10.8	2.06	0.25
	10-	100	0.9	93.6	10.8	2.06	0.093
	12-	100	1.1	106.2	19.6	2.94	0.16

For detailed sales models, please refer to the official MISUMI website.

■ Light load

Type	Coil Outer Diameter D — Free Length L		Wire Diameter d mm	Under Dynamic Load		(Initial Tension) N	(Spring Constant) N/mm
				Under Dynamic Load
				Maximum Displacement Fmax.Mm	Maximum Load N



C-AWY (Spring Steel) C-AUY (SUS304-WPB) C-BUY (SUS304-WPB) C-BWY (Spring Steel)	2-	10	0.25	5.7	1.86	0.34	0.27
	3-	10	0.3	8.7	2.25	0.29	0.23
		15	0.3	16.6	2.25	0.29	0.12
		20	0.3	25	2.25	0.29	0.08
		25	0.3	33.3	2.25	0.29	0.06
		30	0.3	40	2.25	0.29	0.05
	4-	15	0.4	10	3.24	0.59	0.26
		20	0.4	16.8	3.24	0.59	0.16
		25	0.4	22.5	3.24	0.59	0.12
		30	0.4	28.4	3.24	0.59	0.09
		35	0.4	33.7	3.24	0.59	0.08
		40	0.4	38.5	3.24	0.59	0.07
	5-	15	0.5	6.8	4.22	0.88	0.49
		20	0.5	11.7	4.22	0.88	0.28
		25	0.5	17	4.22	0.88	0.2
		30	0.5	21.2	4.22	0.88	0.16
		35*	0.5	26.1	4.22	0.88	0.13
		40	0.5	34	4.22	0.88	0.1
		45	0.5	37.7	4.22	0.88	0.09
		50	0.5	42.5	4.22	0.88	0.08
	6-	20	0.6	14	8.14	1.27	0.49
		25	0.6	21.2	8.14	1.27	0.32
		30	0.6	28	8.14	1.27	0.25
		35	0.6	35	8.14	1.27	0.2
		40	0.6	41.1	8.14	1.27	0.17
		45	0.6	50	8.14	1.27	0.14
		50	0.6	53.8	8.14	1.27	0.13
	8-	25	0.8	15.1	12.75	2.35	0.69
		30	0.8	21.2	12.75	2.35	0.49
		35	0.8	26.5	12.75	2.35	0.39
		40	0.8	33.1	12.75	2.35	0.31
		45	0.8	39.2	12.75	2.35	0.26
		50	0.8	46	12.75	2.35	0.23
		70	0.8	66.2	12.75	2.35	0.16
	10-	45	1.0	23.9	15	3.73	0.47
		65	1.0	39.6	15	3.73	0.29
		70	1.0	44.2	15	3.73	0.26
		80	1.0	52.2	15	3.73	0.22
	12-	40	1.2	27.8	31.37	5.39	0.93
		45	1.2	35.3	31.37	5.39	0.74
		50	1.2	42	31.37	5.39	0.62
		55	1.2	50	31.37	5.39	0.52
		60	1.2	55.2	31.37	5.39	0.47
		75	1.2	77.9	31.37	5.39	0.33
		100	1.2	106	31.37	5.39	0.25
	14-	45	1.5	21	38.24	8.43	1.42
		75	1.5	52.8	38.24	8.43	0.56
		80	1.5	58.3	38.24	8.43	0.51
	16-	70	1.6	40.8	43.15	9.12	0.83
	16-	150	1.6	115.6	43.15	9.12	0.29
	20-	80	2.0	53.6	78.45	12.75	1.23
		150	2.0	139.5	78.45	12.75	0.47
		175	2.0	167.5	78.45	12.75	0.39

Load {kgf} = Load N × 0.101972

For detailed sales models, please refer to the MISUMI website.

Product Features

Tension spring (also known as draw spring) is a spiral spring which bears axial tension. It has side hooks at both ends to ensure the tension source of tension spring.
When not bearing load, the coils of tension spring are generally tight without clearance.
The working principle of tension spring is to act in reverse when stretching or pulling away, and to work by using the resilience (pulling force) after stretching, so as to control the movement of machine parts, absorb and store energy, measure the force and so on.

■ Corrosion resistance: 72-hour salt spray test

· Conclusion: Rust resistance is 9 times that of market products
· Differences between economy extension springs, standard products, and market-available products

· Product information: Material: SUS304-WPB
Specifications: Wire diameter 1 mm, outer diameter 8 mm, free length 40 mm
· Test conditions: Initial length 40 mm, allowable displacement 19.2 mm, allowable load 24.52N, stretching frequency 309 times/minute

· Conclusion: Service life is 3.08 times that of market products
*Products circulating on the market are similar products randomly purchased by our company from online or offline markets
* The test data are obtained through testing by our company, which are for reference only

Precautions

[Precautions for Use]
▶Operating temperature
SWP-A type: Room temperature (0–40°C)
Stainless steel type: -10–100°C
*If used under conditions exceeding the above temperature, the load value may decrease depending on the usage conditions.
When used in an environment with high and low temperature differences and humidity such as outdoors, it is recommended to choose stainless steel products.

▶Approximate usage standard: around 1,000,000 times
*The above number of times is for reference only. The number of times of use varies with the tensile direction, operating temperature/environment, and amount of deformation. To increase the usage count, it is recommended to use the spring up to 70% of the allowable displacement Fmax..

▶Others
· Use within the allowable displacement Fmax. (mm). If it is used under the condition of exceeding the allowable displacement, the spring may be deformed, or damaged after using only a limited number of times. Please also be careful not to stretch the tensile spring beyond the allowable displacement when installing it.
· Stainless steel springs are also magnetic. Please be careful.

Example of Use

Example of Use
Installation Diagram

The installation diagram is for reference only.

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

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Part Number
C-AUA2-10
C-AUA2-10-PACK
C-AUA3-10
C-AUA3-10-PACK
C-AUA3-15
C-AUA3-15-PACK
C-AUA3-20
C-AUA3-20-PACK
C-AUA3-25
C-AUA3-25-PACK
C-AUA4-15
C-AUA4-15-PACK
C-AUA4-20
C-AUA4-20-PACK
C-AUA4-25
C-AUA4-25-PACK
C-AUA4-30
C-AUA4-30-PACK
C-AUA4-40
C-AUA4-40-PACK
C-AUA5-15
C-AUA5-15-PACK
C-AUA5-20
C-AUA5-20-PACK
C-AUA5-25
C-AUA5-25-PACK
C-AUA5-30
C-AUA5-30-PACK
C-AUA5-35
C-AUA5-35-PACK
C-AUA5-40
C-AUA5-40-PACK
C-AUA5-45
C-AUA5-45-PACK
C-AUA6-20
C-AUA6-20-PACK
C-AUA6-25
C-AUA6-25-PACK
C-AUA6-30
C-AUA6-30-PACK
C-AUA6-35
C-AUA6-35-PACK
C-AUA6-40
C-AUA6-40-PACK
C-AUA6-45
C-AUA6-45-PACK
C-AUA6-50
C-AUA6-50-PACK
C-AUA6-55
C-AUA6-55-PACK
C-AUA6-60
C-AUA6-60-PACK
C-AUA8-25
C-AUA8-25-PACK
C-AUA8-30
C-AUA8-30-PACK
C-AUA8-35
C-AUA8-35-PACK
C-AUA8-40
C-AUA8-40-PACK
C-AUA8-65
C-AUA8-65-PACK
C-AUA10-50
C-AUA10-50-PACK
C-AUA10-100
C-AUA10-100-PACK
C-AUA12-100
C-AUA12-100-PACK
C-AUY2-10
C-AUY2-10-PACK
C-AUY3-10
C-AUY3-10-PACK
C-AUY3-15
C-AUY3-15-PACK
C-AUY3-20
C-AUY3-20-PACK
C-AUY3-25
C-AUY3-25-PACK
C-AUY3-30
C-AUY3-30-PACK
C-AUY4-15
C-AUY4-15-PACK
C-AUY4-20
C-AUY4-20-PACK
C-AUY4-25
C-AUY4-25-PACK
C-AUY4-30
C-AUY4-30-PACK
C-AUY4-35
C-AUY4-35-PACK

Standard Unit Price	Number of pc(s). included in pkg.	Minimum order quantity	Volume Discount	Days to Ship	Free Length L (mm)	Outer Dia. D (Ø)	Allowable Load (Configurable Range) (N)	Wire Dia. (Ø)	Material	Length of Spring Used L+F (mm)	Hook Opposing Angle	Standard Spring Constant (N/mm)	Max. Load (N)	Initial Tension (N)	Max. Displacement (mm)	Sales packaging
MYR 2.67		100 Piece(s)		8 Day(s) or more	10	2	~1.25	0.2	[Stainless Steel Wire] SUS304-WPB	16.7	[180° (Standard)] 180° (Standard)	0.083	0.69	0.13	6.7	-
MYR 254.12	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	10	2	~1.25	0.2	[Stainless Steel Wire] SUS304-WPB	16.7	[180° (Standard)] 180° (Standard)	0.083	0.69	0.13	6.7	Bagged
MYR 1.45		1 Piece(s)	Available	1 Day(s) or more	10	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	20.4	[180° (Standard)] 180° (Standard)	0.11	1.27	0.15	10.4	-
MYR 137.54	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	10	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	20.4	[180° (Standard)] 180° (Standard)	0.11	1.27	0.15	10.4	Bagged
MYR 2.39		1 Piece(s)	Available	1 Day(s) or more	15	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	38	[180° (Standard)] 180° (Standard)	0.049	1.27	0.15	23	-
MYR 227.28	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	15	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	38	[180° (Standard)] 180° (Standard)	0.049	1.27	0.15	23	Bagged
MYR 1.71		1 Piece(s)	Available	1 Day(s) or more	20	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	55.9	[180° (Standard)] 180° (Standard)	0.031	1.27	0.15	35.9	-
MYR 162.70	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	20	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	55.9	[180° (Standard)] 180° (Standard)	0.031	1.27	0.15	35.9	Bagged
MYR 2.65		1 Piece(s)	Available	1 Day(s) or more	25	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	72.9	[180° (Standard)] 180° (Standard)	0.024	1.27	0.15	47.9	-
MYR 251.60	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	25	3	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	72.9	[180° (Standard)] 180° (Standard)	0.024	1.27	0.15	47.9	Bagged
MYR 1.30		1 Piece(s)	Available	1 Day(s) or more	15	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	29.6	[180° (Standard)] 180° (Standard)	0.14	2.26	0.25	14.6	-
MYR 124.12	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	15	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	29.6	[180° (Standard)] 180° (Standard)	0.14	2.26	0.25	14.6	Bagged
MYR 1.22		1 Piece(s)	Available	1 Day(s) or more	20	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	44.1	[180° (Standard)] 180° (Standard)	0.083	2.26	0.25	24.1	-
MYR 115.73	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	20	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	44.1	[180° (Standard)] 180° (Standard)	0.083	2.26	0.25	24.1	Bagged
MYR 3.06		100 Piece(s)		8 Day(s) or more	25	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	57.5	[180° (Standard)] 180° (Standard)	0.062	2.26	0.25	32.5	-
MYR 290.18	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	25	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	57.5	[180° (Standard)] 180° (Standard)	0.062	2.26	0.25	32.5	Bagged
MYR 2.42		1 Piece(s)	Available	1 Day(s) or more	30	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	72.7	[180° (Standard)] 180° (Standard)	0.047	2.26	0.25	42.7	-
MYR 229.79	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	30	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	72.7	[180° (Standard)] 180° (Standard)	0.047	2.26	0.25	42.7	Bagged
MYR 3.30		1 Piece(s)	Available	1 Day(s) or more	40	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	100.3	[180° (Standard)] 180° (Standard)	0.033	2.26	0.25	60.3	-
MYR 313.66	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	40	4	1.26~3.50	0.35	[Stainless Steel Wire] SUS304-WPB	100.3	[180° (Standard)] 180° (Standard)	0.033	2.26	0.25	60.3	Bagged
MYR 1.17		1 Piece(s)	Available	1 Day(s) or more	15	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	23.2	[180° (Standard)] 180° (Standard)	0.33	3.24	0.49	8.2	-
MYR 111.54	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	15	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	23.2	[180° (Standard)] 180° (Standard)	0.33	3.24	0.49	8.2	Bagged
MYR 3.06		100 Piece(s)		8 Day(s) or more	20	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	35.5	[180° (Standard)] 180° (Standard)	0.18	3.24	0.49	15.5	-
MYR 290.18	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	20	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	35.5	[180° (Standard)] 180° (Standard)	0.18	3.24	0.49	15.5	Bagged
MYR 2.13		1 Piece(s)	Available	1 Day(s) or more	25	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	46.5	[180° (Standard)] 180° (Standard)	0.13	3.24	0.49	21.5	-
MYR 202.12	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	25	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	46.5	[180° (Standard)] 180° (Standard)	0.13	3.24	0.49	21.5	Bagged
MYR 2.78		1 Piece(s)	Available	1 Day(s) or more	30	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	59.4	[180° (Standard)] 180° (Standard)	0.093	3.24	0.49	29.4	-
MYR 264.18	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	30	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	59.4	[180° (Standard)] 180° (Standard)	0.093	3.24	0.49	29.4	Bagged
MYR 3.94		1 Piece(s)	Available	1 Day(s) or more	35	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	70	[180° (Standard)] 180° (Standard)	0.078	3.24	0.49	35	-
MYR 374.05	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	35	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	70	[180° (Standard)] 180° (Standard)	0.078	3.24	0.49	35	Bagged
MYR 3.62		1 Piece(s)	Available	1 Day(s) or more	40	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	83	[180° (Standard)] 180° (Standard)	0.064	3.24	0.49	43	-
MYR 343.85	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	40	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	83	[180° (Standard)] 180° (Standard)	0.064	3.24	0.49	43	Bagged
MYR 3.43		100 Piece(s)		8 Day(s) or more	45	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	95.9	[180° (Standard)] 180° (Standard)	0.054	3.24	0.49	50.9	-
MYR 325.40	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	45	5	1.26~3.50	0.45	[Stainless Steel Wire] SUS304-WPB	95.9	[180° (Standard)] 180° (Standard)	0.054	3.24	0.49	50.9	Bagged
MYR 2.10		1 Piece(s)	Available	1 Day(s) or more	20	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	36.2	[180° (Standard)] 180° (Standard)	0.34	6.08	0.64	16.2	-
MYR 199.60	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	20	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	36.2	[180° (Standard)] 180° (Standard)	0.34	6.08	0.64	16.2	Bagged
MYR 2.42		1 Piece(s)	Available	1 Day(s) or more	25	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	50.2	[180° (Standard)] 180° (Standard)	0.22	6.08	0.64	25.2	-
MYR 229.79	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	25	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	50.2	[180° (Standard)] 180° (Standard)	0.22	6.08	0.64	25.2	Bagged
MYR 3.21		1 Piece(s)	Available	1 Day(s) or more	30	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	64.7	[180° (Standard)] 180° (Standard)	0.16	6.08	0.64	34.7	-
MYR 304.44	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	30	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	64.7	[180° (Standard)] 180° (Standard)	0.16	6.08	0.64	34.7	Bagged
MYR 2.94		1 Piece(s)	Available	1 Day(s) or more	35	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	77.7	[180° (Standard)] 180° (Standard)	0.13	6.08	0.64	42.7	-
MYR 279.28	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	35	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	77.7	[180° (Standard)] 180° (Standard)	0.13	6.08	0.64	42.7	Bagged
MYR 3.30		1 Piece(s)	Available	1 Day(s) or more	40	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	90.4	[180° (Standard)] 180° (Standard)	0.11	6.08	0.64	50.4	-
MYR 313.66	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	40	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	90.4	[180° (Standard)] 180° (Standard)	0.11	6.08	0.64	50.4	Bagged
MYR 3.69		1 Piece(s)	Available	1 Day(s) or more	45	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	106.6	[180° (Standard)] 180° (Standard)	0.088	6.08	0.64	61.6	-
MYR 350.56	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	45	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	106.6	[180° (Standard)] 180° (Standard)	0.088	6.08	0.64	61.6	Bagged
MYR 3.57		100 Piece(s)		8 Day(s) or more	50	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	119.3	[180° (Standard)] 180° (Standard)	0.079	6.08	0.64	69.3	-
MYR 338.82	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	50	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	119.3	[180° (Standard)] 180° (Standard)	0.079	6.08	0.64	69.3	Bagged
MYR 3.81		100 Piece(s)		8 Day(s) or more	55	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	134.3	[180° (Standard)] 180° (Standard)	0.069	6.08	0.64	79.3	-
MYR 362.31	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	55	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	134.3	[180° (Standard)] 180° (Standard)	0.069	6.08	0.64	79.3	Bagged
MYR 4.05		1 Piece(s)	Available	1 Day(s) or more	60	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	145.3	[180° (Standard)] 180° (Standard)	0.064	6.08	0.64	85.3	-
MYR 384.95	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	60	6	3.51~8.00	0.55	[Stainless Steel Wire] SUS304-WPB	145.3	[180° (Standard)] 180° (Standard)	0.064	6.08	0.64	85.3	Bagged
MYR 3.31		100 Piece(s)		8 Day(s) or more	25	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	43.1	[180° (Standard)] 180° (Standard)	0.41	8.53	1.08	18.1	-
MYR 314.50	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	25	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	43.1	[180° (Standard)] 180° (Standard)	0.41	8.53	1.08	18.1	Bagged
MYR 3.31		100 Piece(s)		8 Day(s) or more	30	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	57.1	[180° (Standard)] 180° (Standard)	0.28	8.53	1.08	27.1	-
MYR 314.50	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	30	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	57.1	[180° (Standard)] 180° (Standard)	0.28	8.53	1.08	27.1	Bagged
MYR 2.85		1 Piece(s)	Available	1 Day(s) or more	35	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	71.2	[180° (Standard)] 180° (Standard)	0.21	8.53	1.08	36.2	-
MYR 270.89	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	35	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	71.2	[180° (Standard)] 180° (Standard)	0.21	8.53	1.08	36.2	Bagged
MYR 3.94		1 Piece(s)	Available	1 Day(s) or more	40	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	84.7	[180° (Standard)] 180° (Standard)	0.17	8.53	1.08	44.7	-
MYR 374.05	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	40	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	84.7	[180° (Standard)] 180° (Standard)	0.17	8.53	1.08	44.7	Bagged
MYR 4.07		100 Piece(s)		8 Day(s) or more	65	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	154.4	[180° (Standard)] 180° (Standard)	0.083	8.53	1.08	89.4	-
MYR 386.63	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	65	8	8.01~15.00	0.7	[Stainless Steel Wire] SUS304-WPB	154.4	[180° (Standard)] 180° (Standard)	0.083	8.53	1.08	89.4	Bagged
MYR 4.83		100 Piece(s)		8 Day(s) or more	50	10	8.01~15.00	0.9	[Stainless Steel Wire] SUS304-WPB	85.6	[180° (Standard)] 180° (Standard)	0.25	10.8	2.06	35.6	-
MYR 459.59	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	50	10	8.01~15.00	0.9	[Stainless Steel Wire] SUS304-WPB	85.6	[180° (Standard)] 180° (Standard)	0.25	10.8	2.06	35.6	Bagged
MYR 7.01		100 Piece(s)		8 Day(s) or more	100	10	8.01~15.00	0.9	[Stainless Steel Wire] SUS304-WPB	193.6	[180° (Standard)] 180° (Standard)	0.093	10.8	2.06	93.6	-
MYR 665.91	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	100	10	8.01~15.00	0.9	[Stainless Steel Wire] SUS304-WPB	193.6	[180° (Standard)] 180° (Standard)	0.093	10.8	2.06	93.6	Bagged
MYR 8.29		100 Piece(s)		8 Day(s) or more	100	12	15.01~30.00	1.1	[Stainless Steel Wire] SUS304-WPB	206.2	[180° (Standard)] 180° (Standard)	0.16	19.6	2.94	106.2	-
MYR 787.52	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	100	12	15.01~30.00	1.1	[Stainless Steel Wire] SUS304-WPB	206.2	[180° (Standard)] 180° (Standard)	0.16	19.6	2.94	106.2	Bagged
MYR 2.67		100 Piece(s)		8 Day(s) or more	10	2	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	15.7	[180° (Standard)] 180° (Standard)	0.27	1.86	0.34	5.7	-
MYR 254.12	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	10	2	1.26~3.50	0.25	[Stainless Steel Wire] SUS304-WPB	15.7	[180° (Standard)] 180° (Standard)	0.27	1.86	0.34	5.7	Bagged
MYR 1.17		1 Piece(s)	Available	1 Day(s) or more	10	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	18.7	[180° (Standard)] 180° (Standard)	0.23	2.25	0.29	8.7	-
MYR 111.54	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	10	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	18.7	[180° (Standard)] 180° (Standard)	0.23	2.25	0.29	8.7	Bagged
MYR 1.30		1 Piece(s)	Available	1 Day(s) or more	15	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	31.6	[180° (Standard)] 180° (Standard)	0.12	2.25	0.29	16.6	-
MYR 124.12	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	15	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	31.6	[180° (Standard)] 180° (Standard)	0.12	2.25	0.29	16.6	Bagged
MYR 2.22		1 Piece(s)	Available	1 Day(s) or more	20	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	45	[180° (Standard)] 180° (Standard)	0.08	2.25	0.29	25	-
MYR 210.50	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	20	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	45	[180° (Standard)] 180° (Standard)	0.08	2.25	0.29	25	Bagged
MYR 2.53		1 Piece(s)	Available	1 Day(s) or more	25	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	58.3	[180° (Standard)] 180° (Standard)	0.06	2.25	0.29	33.3	-
MYR 239.86	100 Pieces Per Package	1 Pack(s)	Available	9 Day(s) or more	25	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	58.3	[180° (Standard)] 180° (Standard)	0.06	2.25	0.29	33.3	Bagged
MYR 2.79		100 Piece(s)		8 Day(s) or more	30	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	70	[180° (Standard)] 180° (Standard)	0.05	2.25	0.29	40	-
MYR 265.02	100 Pieces Per Package	1 Pack(s)	Available	5 Day(s) or more	30	3	1.26~3.50	0.3	[Stainless Steel Wire] SUS304-WPB	70	[180° (Standard)] 180° (Standard)	0.05	2.25	0.29	40	Bagged
MYR 1.47		1 Piece(s)	Available	1 Day(s) or more	15	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	25	[180° (Standard)] 180° (Standard)	0.26	3.24	0.59	10	-
MYR 140.05	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	15	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	25	[180° (Standard)] 180° (Standard)	0.26	3.24	0.59	10	Bagged
MYR 1.54		1 Piece(s)	Available	1 Day(s) or more	20	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	36.8	[180° (Standard)] 180° (Standard)	0.16	3.24	0.59	16.8	-
MYR 145.93	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	20	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	36.8	[180° (Standard)] 180° (Standard)	0.16	3.24	0.59	16.8	Bagged
MYR 2.13		1 Piece(s)	Available	1 Day(s) or more	25	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	47.5	[180° (Standard)] 180° (Standard)	0.12	3.24	0.59	22.5	-
MYR 202.12	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	25	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	47.5	[180° (Standard)] 180° (Standard)	0.12	3.24	0.59	22.5	Bagged
MYR 2.66		1 Piece(s)	Available	1 Day(s) or more	30	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	58.4	[180° (Standard)] 180° (Standard)	0.09	3.24	0.59	28.4	-
MYR 253.28	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	30	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	58.4	[180° (Standard)] 180° (Standard)	0.09	3.24	0.59	28.4	Bagged
MYR 3.75		1 Piece(s)	Available	1 Day(s) or more	35	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	68.7	[180° (Standard)] 180° (Standard)	0.08	3.24	0.59	33.7	-
MYR 356.44	100 Pieces Per Package	1 Pack(s)	Available	2 Day(s) or more	35	4	1.26~3.50	0.4	[Stainless Steel Wire] SUS304-WPB	68.7	[180° (Standard)] 180° (Standard)	0.08	3.24	0.59	33.7	Bagged

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Basic Information

Type	Standard Type

Configure

336 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Free Length L(mm)
10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

100

150

175
Clear
Outer Dia. D(Ø)
2

3

4

5

6

8

10

12

14

16

20
Clear
Allowable Load (Configurable Range)(N)
- ~1.25
- 1.26~3.50
- 3.51~8.00
- 8.01~15.00
- 15.01~30.00
- 30.01~60.00
- 60.01~110.00
Clear
Wire Dia.(Ø)
0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.55

0.6

0.7

0.8

0.9

1

1.1

1.2

1.5

1.6

2
Clear
Material
- Stainless Steel Wire
  - SUS304-WPB
- Piano Wire
  - Piano wire
  - SWP-A
Clear
Length of Spring Used L+F(mm)
15.7

16.7

18.7

20.4

21.8

23.2

25

29.6

31.6

31.7

34

35.5

36.2

36.8

38

40.1

42

43.1

44.1

45

46.2

46.5

47.5

50.2

51.2

55.9

57.1

57.5

58

58.3

58.4

59.4

61.5

64.7

66

67.8

68.7

68.9

70

71.2

72.7

72.9

73.1

74

77.7

78.5

80.3

81.1

82.7

83

84.2

84.7

85.6

86.2

90.4

92

92.5

95

95.9

96

99.2

100.3

103.8

104.6

105

106

106.6

110.8

114.2

115.2

119.3

127.8

132.2

133.6

134.3

136.2

138.3

145.3

152.9

154.4

193.6

206

206.2

265.6

289.5

342.5
Clear
Hook Opposing Angle
- 180° (Standard)
  - 180° (Standard)
- 90°
Clear
Standard Spring Constant(N/mm)
0.024

0.031

0.033

0.039

0.047

0.049

0.05

0.054

0.06

0.062

0.064

0.069

0.07

0.078

0.079

0.08

0.083

0.088

0.09

0.093

0.1

0.11

0.12

0.13

0.14

0.16

0.17

0.18

0.2

0.21

0.22

0.23

0.25

0.26

0.27

0.28

0.29

0.31

0.32

0.33

0.34

0.39

0.41

0.47

0.49

0.51

0.52

0.56

0.62

0.69

0.74

0.83

0.93

1.23

1.42
Clear
Max. Load(N)
0.69

1.27

1.86

2.25

2.26

3.24

4.22

6.08

8.14

8.53

10.8

12.75

15

19.6

31.37

38.24

43.15

78.45
Clear
Initial Tension(N)
0.13

0.15

0.25

0.29

0.34

0.49

0.59

0.64

0.88

1.08

1.27

2.06

2.35

2.94

3.73

5.39

8.43

9.12

12.75
Clear
Max. Displacement(mm)
5.7

6.7

6.8

8.2

8.7

10

10.4

11.7

14

14.6

15.1

15.5

16.2

16.6

16.8

17

18.1

21

21.2

21.5

22.5

23

23.9

24.1

25

25.2

26.5

27.1

27.8

28

28.4

29.4

32.5

33.1

33.3

33.7

34

34.7

35

35.3

35.6

35.9

36.2

37.7

38.5

39.2

39.6

40

40.8

41.1

42

42.5

42.7

43

44.2

44.7

46

47.9

50

50.4

50.9

51.2

52.2

52.8

53.6

53.8

54.2

55.2

56

58.3

60.3

61.6

66.2

69.3

77.9

79.3

85.3

89.4

93.6

106

106.2

115.6

139.5

167.5
Clear
Sales packaging
- Bagged
Clear
type
- C-AUA
- C-AUY
- C-AWA
- C-AWY
- C-BUY
- C-BWY
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

1 Day(s) or Less

2 Day(s) or Less

5 Day(s) or Less

8 Day(s) or Less

9 Day(s) or Less

10 Day(s) or Less

13 Day(s) or Less
Clear

Specify Alterations

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

Frequently asked question (FAQ)

Question: What is the initial tension?: Answer: It can be understood that when a general tensile spring is under tension, the tension measured when it is about to undergo elastic deformation without deformation (critical state) is called the initial tension. It is realized by properly controlling the process parameters in the manufacturing process of tensile spring.
MISUMI tension spring specifications (except for free designation) have been standardized, i.e. the maximum load of the same diameter is a certain value. Because the tensile spring is made on the basis of the maximum load, the initial tension and spring coefficient are the reference values.
Question: What is the life of the tensile spring?: Answer: Some hook installation methods of tension springs may cause stress concentration, so the standard use times cannot be provided. To increase the use times, it is recommended to use it under 70% of the allowable displacement Fmax.
· It is recommended to use it at room temperature below 40°C, and the load value will decrease due to service conditions at temperatures over 40°C .
Question: What is the spring constant?: Answer: The spring constant is the force necessary to give the spring unit displacement, which is used to express the characteristics of the spring.
Question: What are the JIS standards for general spring-related materials?: Answer: Piano wires: JIS G 3522
Iron wires: JIS G 3532
Hard drawn steel wires: JIS G 3521
Stainless steel wires for springs: JIS G 4313
Question: What is the difference between a piano steel wire spring and a hard drawn steel wire spring?: Answer: There is little difference in appearance between the two materials. In short, the piano wire is an advanced material, and the hard drawn steel wire is a general material.
The piano wire is often used as a spring for precision machinery while the hard drawn steel wire is mostly used as a peripheral spring for groceries or blinds.
They are both high-carbon steels with almost the same chemical composition. The production of piano wires is time-consuming and they are expensive because there is additional standardized management and inspection of impurities, the depth of surface scars, and the depth of decarburized layer.
Although the subtle difference is invisible to the naked eye, it has a great influence on the quality of the spring.

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Tension Springs Ultra Light Load / Light Load【1-100 Pieces Per Package】 (Part Numbers)

Part Number

Basic Information

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Specification/Dimensions

Free Length L(mm)

Outer Dia. D(Ø)

Allowable Load (Configurable Range)(N)

Wire Dia.(Ø)

Material

Length of Spring Used L+F(mm)

Hook Opposing Angle

Standard Spring Constant(N/mm)

Max. Load(N)

Initial Tension(N)

Max. Displacement(mm)

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type

CAD

Days to Ship

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