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Tension Springs(Material:Piano Wire)

Tension springs are springs used for applications that receive a tensile load. Close-wound springs are the standard type since they save space and make effective use of initial tension. Tension springs have a load-receiving hook on both ends. Some models designed for specific applications have plates with holes in them instead of hooks. Tension springs are typically made of materials such as hard drawn steel wire, spring steel, piano wire and stainless steel wire. Different materials are recommended for each tension spring application, so the application and operating environment should be considered when choosing the spring material. For example, general-purpose springs are made from materials such as hard drawn steel wire and piano wire, while heat-resistant springs are made from materials such as stainless steel wire.
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  1. 1
  • Recommended
    You can add up to 6 items per a category to the compare list.
    Tension Springs Ultra Light Load / Light Load  O.D.3-8

    Recommended

    MiSUMi C-VALUE

    Tension Springs Ultra Light Load / Light Load O.D.3-8

    MiSUMi C-VALUE

    - 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.
    Recommended
    From: ฿ 13.64
    Days to Ship: day to ship Same day
    day to ship Same day
  • Recommended
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    Tension Springs Medium Light / Medium Load O.D.3-10

    Recommended

    MiSUMi C-VALUE

    Tension Springs Medium Light / Medium Load O.D.3-10

    MiSUMi C-VALUE

    - Tension Springs Medium Light / Medium Load from MISUMI.
    - 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-AWU and C-AUU are medium and light load Tension springs.
    - C-AWS and C-AUS are medium load Tension springs.
    - The outer diameter of spring can be selected from 3.0 mm to 10.0 mm.
    - The free length of spring can be selected from 10 mm to 60 mm.
    - Tension Springs Heavy Load from MISUMI.
    Recommended
    From: ฿ 13.64
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Extra Light Load/Light Load/Light to Medium Load/Medium Load
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Extra Light Load/Light Load/Light to Medium Load/Medium Load

    MISUMI

    - Extra Light Load/Light Load/Light to Medium Load/Medium Load from MISUMI.
    - The wire material of spring can be selected 2 type SUS304WP-B or SWP-A.
    - AWA and AUA are Extra light load tension springs.
    - AWY, BWY, AUY and BUY are Light load tension springs.
    - AWU, BWU, AUU and BUU are Light medium load tension springs.
    - AWS, BWS, AUS and BUSS are medium load tension springs.
    - The outer diameter of spring can be selected from 2.0 mm to 24.0 mm.
    - The free length of spring can be selected from 10 mm to 200 mm.
    From: ฿ 44.70
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Tension Springs/Medium Heavy Load and Heavy Load
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Tension Springs/Medium Heavy Load and Heavy Load

    MISUMI

    [Features]The material can be selected from SWP-A and SUS304-WPB.
    From: ฿ 44.70
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Tension Springs/Configurable Length

    Tension Springs/Configurable Length

    MISUMI

    Outer diameter size (Φ7, Φ11, Φ13, Φ15, Φ17) standard added!
    A tension spring whose free length can be specified in units of 1 mm.
    The outer diameter and length can be freely specified according to the intended use.
    Piano wire is also based on the outer diameter.
    Days to Ship: day to ship 5 Day(s)
    day to ship 5 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    D Series  Tensile Coil Spring (DIN 2098 Standard)
    Until 31/03/2025
    D Series  Tensile Coil Spring (DIN 2098 Standard)
    D Series  Tensile Coil Spring (DIN 2098 Standard)

    Sale
    Until 31/03/2025

    D Series Tensile Coil Spring (DIN 2098 Standard)【1-20 Pieces Per Package】

    KS SANGYO

    - D Series Tensile Coil Spring (DIN 2098 Standard) from KS SANGYO.
    - The wire material of spring is made of stainless-steel wire (SUS304-WPB) or piano wire SWP-B.
    - The outer diameter of spring can be selected from 0.9 mm to 34.5 mm.
    - The free length of spring can be selected from 2.7 mm to 266.1 mm.
    - The initial tension of spring can be selected from 0.0294 N to 86.544 N.
    - The wire diameter can be selected from 0.1 mm to 2.5 mm.
    From: ฿ 646.50
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • Economy series
    You can add up to 6 items per a category to the compare list.
    Tension Springs Heavy Load O.D.3-10

    MiSUMi C-VALUE

    Tension Springs Heavy Load O.D.3-10

    MiSUMi C-VALUE

    - Tension Springs Heavy Load from MISUMI.
    - 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-AWT and C-AUT are heavy load Tension springs type.
    - The outer diameter of spring can be selected from 3.0 mm to 10.0 mm.
    - The free length of spring can be selected from 10 mm to 60 mm.
    From: ฿ 13.64
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Ultra Spring Extension Coil Spring
    Until 31/03/2025
    Ultra Spring Extension Coil Spring
    Ultra Spring Extension Coil Spring

    Sale
    Until 31/03/2025

    Ultra Spring Extension Coil Spring

    ACCURATE

    A standard spring type tension spring born out of thorough quality control.
    [Features]
    · At least 50% to 90% cheaper than custom order products.
    · Managing loads at 2 points allows for load characteristics close to the theoretical values.
    · The product has been selling well for 30 years straight.
    · The product lineup is based on standards established by the Japan Spring Manufacturers Association and German DIN2098 standards used commonly in Europe.
    · As well as by the main dimensions, loads are measured and managed at 2-points; the allowable load and the independently set reference load.
    [Applications]
    · Can be used in all sectors and fields as a general-purpose standard spring.
    From: ฿ 48.10
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Tension Spring
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Tension Spring

    SAMINI

    A tension spring with an outer diameter of 1.8 to 22 mm in all 509 types.
    [Features]
    · Several wire diameters can be selected with the same outer diameter and free length, and different strengths can be checked.
    · Widely used after compression coil springs.
    · Hooks at both ends is the major feature.
    [Applications]
    · For bicycle stand.
    From: ฿ 80.00
    Special Price
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • Economy series
    You can add up to 6 items per a category to the compare list.
    Tension Springs Heavy Load, Double Round Hook O.D.5-14

    MiSUMi C-VALUE

    Tension Springs Heavy Load, Double Round Hook O.D.5-14

    MiSUMi C-VALUE

    - Tension Springs Heavy Load, Double Round Hook, C-WAWT / C-WAWT series from MISUMI.
    - This is an economy item; The price is cheaper than the MISUMI standard product.
    - The wire material of spring is made of SWP-A.
    - C-WAWT and C-WAWT are Heavy Load Double Hook Tension springs type.
    - The outer diameter of spring can be selected from 5.0 mm to 14.0 mm.
    - The free length of spring can be selected from 15 mm to 65 mm.
    From: ฿ 13.64
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Extension Coil Spring (SWP-A)
    Until 31/03/2025
    Extension Coil Spring (SWP-A)
    Extension Coil Spring (SWP-A)

    Sale
    Until 31/03/2025

    Extension Coil Spring (SWP-A)【3-20 Pieces Per Package】

    SHOWA SPRING

    [Features]
    · Standardized tension coil springs using cold-molding piano wire of diameter ø0.32 mm to ø2.3 mm and stainless steel wire of diameter ø0.32 mm to ø2.3 mm.
    · Piano wire: 180°C to 250°C low temperature annealing, black dyed surface.
    · Stainless steel wire for spring: 250°C to 450°C low temperature annealing, but surface treatment is not treated.
    From: ฿ 191.67
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Customizable Size Tensile Coil Spring
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Customizable Size Tensile Coil Spring

    SHOWA SPRING

    - Customizable Size Tensile Coil Spring FP series from SHOWA SPRING
    - The wire material of spring can be selected 2 type SUS304WP-B or SUS304WP-B.
    - The outer diameter of spring can be selected from 3.0 mm to 30 mm.
    - The free length of spring can be selected in 2 sizes, 500 mm, or 1,000 mm.
    - The wire diameter can be selected in 19 sizes, 0.2, 0.26, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.2, 1.4, 1.6, 1.8, 2, 2.3, or 2.6 mm.
    From: ฿ 489.79
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Hook Insertion for Springs

    Hook Insertion for Springs

    MISUMI

    [Features]The spring material can be selected from SWP-A and SUS304-WPB. SWP-A has the SPCC hook, and SUS304-WPB has the SUS304 hook.
    Days to Ship: day to ship 7 Day(s)
    day to ship 7 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Hanger Spring

    Hanger Spring

    SAMINI

    A tension spring recommended for anti-vibration isolator and buffering of tension and mooring ropes.
    [Features]
    · Used for supporting pipes and heavy cables. There are a total of 20 types of hanger springs.
    · A tension spring recommended for anti-vibration isolator and buffering of tension and mooring ropes.
    [Material]
    · Spring: SWP - A, SUP.
    · Hook: SS400.
    · Washer: S45C.
    · Anti-vibration: SUS304 - WPB.
    [Surface Treatment]
    · Diameter 5 mm or less: zinc plating.
    · Diameter over 5 mm: electroplating (Black).
    · Hook washer: zinc plating.
    [Applications]
    · A tension spring for anti-vibration isolator and buffering of tension and mooring ropes.
    From: ฿ 100.00
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Buffer Spring

    Buffer Spring

    SAMINI

    As the coil is a compression spring, it is structurally a tension spring that stops at the maximum structural elongation.
    [Features]
    · Can be used in anti-vibration devices, etc.
    · Total 5 types of tension springs.
    [Material]
    · Spring: SWP - A.
    · Hook: SW - B.
    [Surface Treatment]
    · Electro galvanizing (trivalent chromium product).
    [Applications]
    · Ideal for anti-vibration devices and as buffers.
    From: ฿ 100.00
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Tension Spring, Customizable Length, Piano Wire

    Tension Spring, Customizable Length, Piano Wire

    SAMINI

    Samini, tension spring, tension spring, customizable size, piano wire.
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Tension Spring Closed Ends, Customizable Length, Piano Wire

    Tension Spring Closed Ends, Customizable Length, Piano Wire

    SAMINI

    Samini Tension spring Adhesion spring Customizable size Piano wire.
    Days to Ship: day to ship Quote
    day to ship Quote
Brand
Product Series
CAD
From
Days to Ship
Specifications
Free Length Lf(mm)
Coil Outer Dia. OD(Ø)
Allowable Load (Configurable Range)(N)
Wire Dia. d(Ø)
Material
Length L2 at Allowable Load(mm)
Hook Opposing Angle
Spring Constant k(N/mm)
Type
Allowable Load P2(N)
Initial Tension Pi(N)
Total Number of Winding N
Max. Deflection(mm)
You can add up to 6 items per a category to the compare list.
Tension Springs Ultra Light Load / Light Load  O.D.3-8
You can add up to 6 items per a category to the compare list.
Tension Springs Medium Light / Medium Load O.D.3-10
You can add up to 6 items per a category to the compare list.
Sale
Extra Light Load/Light Load/Light to Medium Load/Medium Load
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Tension Springs/Medium Heavy Load and Heavy Load
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Tension Springs/Configurable Length
You can add up to 6 items per a category to the compare list.
Sale
D Series  Tensile Coil Spring (DIN 2098 Standard)
Until 31/03/2025
D Series  Tensile Coil Spring (DIN 2098 Standard)
D Series  Tensile Coil Spring (DIN 2098 Standard)
You can add up to 6 items per a category to the compare list.
Tension Springs Heavy Load O.D.3-10
You can add up to 6 items per a category to the compare list.
Sale
Ultra Spring Extension Coil Spring
Until 31/03/2025
Ultra Spring Extension Coil Spring
Ultra Spring Extension Coil Spring
You can add up to 6 items per a category to the compare list.
Sale
Tension Spring
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Tension Springs Heavy Load, Double Round Hook O.D.5-14
You can add up to 6 items per a category to the compare list.
Sale
Extension Coil Spring (SWP-A)
Until 31/03/2025
Extension Coil Spring (SWP-A)
Extension Coil Spring (SWP-A)
You can add up to 6 items per a category to the compare list.
Sale
Customizable Size Tensile Coil Spring
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Hook Insertion for Springs
You can add up to 6 items per a category to the compare list.
Hanger Spring
You can add up to 6 items per a category to the compare list.
Buffer Spring
You can add up to 6 items per a category to the compare list.
Tension Spring, Customizable Length, Piano Wire
You can add up to 6 items per a category to the compare list.
Tension Spring Closed Ends, Customizable Length, Piano Wire
Brand

MiSUMi C-VALUE

MiSUMi C-VALUE

MISUMI

MISUMI

MISUMI

KS SANGYO

MiSUMi C-VALUE

ACCURATE

SAMINI

MiSUMi C-VALUE

SHOWA SPRING

SHOWA SPRING

MISUMI

SAMINI

SAMINI

SAMINI

SAMINI

Product Series

Tension Springs Ultra Light Load / Light Load O.D.3-8

Tension Springs Medium Light / Medium Load O.D.3-10

Extra Light Load/Light Load/Light to Medium Load/Medium Load

Tension Springs/Medium Heavy Load and Heavy Load

Tension Springs/Configurable Length

D Series Tensile Coil Spring (DIN 2098 Standard)【1-20 Pieces Per Package】

Tension Springs Heavy Load O.D.3-10

Ultra Spring Extension Coil Spring

Tension Spring

Tension Springs Heavy Load, Double Round Hook O.D.5-14

Extension Coil Spring (SWP-A)【3-20 Pieces Per Package】

Customizable Size Tensile Coil Spring

Hook Insertion for Springs

Hanger Spring

Buffer Spring

Tension Spring, Customizable Length, Piano Wire

Tension Spring Closed Ends, Customizable Length, Piano Wire

CAD
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 3D
  • 2D / 3D
  • 2D / 3D
From

฿ 13.64

฿ 13.64

฿ 44.70

Special Price

On Sale Until 31/03/2025

฿ 44.70

Special Price

On Sale Until 31/03/2025

฿ 646.50

Special Price

On Sale Until 31/03/2025

฿ 13.64

฿ 48.10

Special Price

On Sale Until 31/03/2025

฿ 80.00

Special Price

On Sale Until 31/03/2025

฿ 13.64

฿ 191.67

Special Price

On Sale Until 31/03/2025

฿ 489.79

Special Price

On Sale Until 31/03/2025

฿ 100.00

฿ 100.00

Days to Ship Same day Same day Same day Same day 5 Day(s) Same day Same day Same day 3 Day(s) Same day Same day Same day 7 Day(s) 3 Day(s) 3 Day(s) Quote Quote
Specifications
                                    Free Length Lf(mm)10 ~ 6010 ~ 6010 ~ 20010 ~ 200-10.1 ~ 266.110 ~ 6010.1 ~ 266.120 ~ 10015 ~ 6511 ~ 202500 ~ 1000-200 ~ 476120 ~ 280--
                                    Coil Outer Dia. OD(Ø)3 ~ 83 ~ 102 ~ 243 ~ 243 ~ 283 ~ 34.53 ~ 103 ~ 34.56 ~ 115 ~ 143.2 ~ 243 ~ 305 ~ 1850 ~ 10016 ~ 4032 ~ 5032 ~ 50
                                    Allowable Load (Configurable Range)(N)1.26~3.50 / 3.51~8.00 / 8.01~15.001.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~-3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.003.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.0015.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~--110.01~60.01~110.00 / 110.01~110.01~110.01~
                                    Wire Dia. d(Ø)0.25 ~ 0.80.35 ~ 1.40.2 ~ 3.20.45 ~ 40.3 ~ 3.50.5 ~ 2.50.5 ~ 1.60.5 ~ 2.50.5 ~ 1.40.8 ~ 2.30.32 ~ 2.30.2 ~ 2.60.6 ~ 2.34.5 ~ 131.6 ~ 52.9 ~ 62.9 ~ 6
                                    MaterialPiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano WirePiano Wire
                                    Length L2 at Allowable Load(mm)18.7 ~ 145.312.2 ~ 101.713.5 ~ 342.512 ~ 241.2-12.3 ~ 830.612 ~ 78.812 ~ 782.9-17.9 ~ 82-------
                                    Hook Opposing Angle180° (Standard)180° (Standard)180° (Standard) / 90°180° (Standard) / 90°90°-180° (Standard)180° (Standard)180° (Standard)180° (Standard)180° (Standard)-180° (Standard)90°90°180° (Standard)-
                                    Spring Constant k(N/mm)0.024 ~ 0.690.13 ~ 4.510.02 ~ 11.470.36 ~ 26.480.13 ~ 37.450.0323 ~ 18.6690.98 ~ 10.890.032 ~ 18.6820.047 ~ 6.241.03 ~ 19.020.016 ~ 6.7180.0019 ~ 0.09040.045 ~ 0.853.09 ~ 56.81.57 ~ 7.941.72 ~ 20.231.72 ~ 20.23
                                    TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard Type--Standard TypeStandard TypeStandard TypeStandard Type
                                    Allowable Load P2(N)1.27 ~ 12.753.33 ~ 49.030.69 ~ 225.556.47 ~ 430.51-4.577 ~ 215.68.8 ~ 77.474.85 ~ 2035.4 ~ 58.220.79 ~ 154.951.53 ~ 158.023.53 ~ 125-506 ~ 476386.3 ~ 816138 ~ 686138 ~ 686
                                    Initial Tension Pi(N)0.15 ~ 2.350.66 ~ 12.750.13 ~ 56.881.57 ~ 123.60.18 ~ 39.20.608 ~ 86.5442.16 ~ 20.590.608 ~ 86.6030.3 ~ 7.365.1 ~ 45.110.15 ~ 45.30.062 ~ 25.551.01 ~ 18.7--15.7 ~ 11015.7 ~ 110
                                    Total Number of Winding N-----10.5 ~ 79.5-10.5 ~ 79.5---------
                                    Max. Deflection(mm)6.8 ~ 85.32.2 ~ 41.73.5 ~ 167.52 ~ 46.2--2 ~ 18.81.9 ~ 516.86.4 ~ 204.62.9 ~ 18.86.6 ~ 280.5150 ~ 2400-249 ~ 65755.6 ~ 10228 ~ 7528 ~ 75

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                                    FAQ Tension Springs

                                    Question: For what purpose are tension springs utilized?
                                    Answer: Tension springs are widely utilized in factory automation for various purposes, including maintaining tension and control in conveyor systems, balancing robotic arms for precise movements, ensuring the proper functioning of safety devices, providing force in assembly and packaging equipment, and enabling secure gripping in industrial tools. These springs play a crucial role in ensuring smooth operation, precise movement, and reliable performance in automated systems and equipment used in factory automation processes.
                                    Question: What distinguishes tension springs from torsion springs?
                                    Answer: Tension springs are designed to resist stretching forces, whereas torsion springs resist twisting or rotational forces. Tension springs extend when a force is applied, while torsion springs exert torque when twisted. Their distinct designs enable them to serve different purposes in different mechanical systems.
                                    Question: How do you measure the strength of a tension spring?
                                    Answer: Measuring the strength of a tension spring involves using a force gauge or a load cell. These tools help in gradually applying weights or loads to the suspended spring while measuring its extension. The spring rate, which represents the spring's strength, is calculated by dividing the change in force by the change in length when the spring is extended.
                                    Question: What are the common materials used to make tension springs?
                                    Answer: Tension springs are commonly made from materials like stainless steel, music wire (high-carbon steel), or various alloys. Stainless steel offers corrosion resistance, while music wire provides high strength. Alloy materials offer specific properties like heat resistance or conductivity, depending on the application requirements.
                                    Question: Can a tension spring be adjusted or calibrated for a specific application?
                                    Answer: Yes, tension springs can be adjusted or calibrated for specific applications. By altering factors like the wire diameter, numbers of turns, or length, the spring's characteristics such as force, tension, or extension can be modified. This allows for customization to match the requirements of a particular application. However, adjusting tension springs should be done carefully, considering the intended function and safety considerations.