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Tension Springs

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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Specifications
Material
Type
Hook Opposing Angle
Allowable Load P2(N)
Allowable Load (Configurable Range)(N)
Length L2 at Allowable Load(mm)
Free Length Lf(mm)
Coil O.D. OD(Ø)
Initial Tension Pi(N)
Spring Constant k(N/mm)
Wire Dia. d(Ø)
Total Number of Winding N
Max. Deflection(mm)
  • Recommendation

UltraSpring Tension Coil Springs (Accurate)

  • Recommendation

Tensile Spring (Samini)

    Extension Springs - Standard Lengths (MISUMI)

      Tension Springs - Heavy Load (MISUMI)

        D Series  Tensile Coil Spring (DIN 2098 Standard) (KSSC)

          K Series  Tensile Coil Spring (Japan Spring Manufactures Association Standard) (KSSC)

          • More configuration options are available now

          Extension Springs - Configurable Lengths (MISUMI)

            DS Series  Tensile Coil Spring (KSSC)

              Tensile Coil Spring (Showa)

                Round-Wire Tensile Coil Spring  J Spring JB (Tohatsu)

                  adj. Tensile Coil Spring (Showa)

                    Hanger Spring (Samini)

                      Tensile Spring with Plate (Samini)

                        Solid Coil Springs - Hook Insertion (MISUMI)

                          Titanium Tension Spring (Samini)

                            Tensile Spring S Series (Shinsei Hatsujo)

                              Tensile Spring R Series (Shinsei Hatsujo)

                                Tensile Spring E Series (Shinsei Hatsujo)

                                  Tension Spring (1m) EA952SA-171 (ESCO)

                                    Tensile Spring BT Series (Shinsei Hatsujo)

                                      Tension Spring (1m) EA952SA-62 (ESCO)

                                        Tension Spring (Stainless Steel) EA952SG-180 (ESCO)

                                          Tension Spring (Stainless Steel) EA952SG-45 (ESCO)

                                            Tension Spring (Stainless Steel) EA952SG-74 (ESCO)

                                              Tensile Coil Spring (Trusco Nakayama)

                                                Buffer Spring (Samini)

                                                  Tension Spring (1m) EA952SA-101 (ESCO)

                                                    Tension Spring (1m) EA952SA-102 (ESCO)

                                                      Tension Spring (1m) EA952SA-111 (ESCO)

                                                        Tension Spring (1m) EA952SA-112 (ESCO)

                                                          Tension Spring (1m) EA952SA-121 (ESCO)

                                                            Tension Spring (1m) EA952SA-122 (ESCO)

                                                              Tension Spring (1m) EA952SA-123 (ESCO)

                                                                Tension Spring (1m) EA952SA-124 (ESCO)

                                                                  Tension Spring (1m) EA952SA-131 (ESCO)

                                                                    Tension Spring (1m) EA952SA-141 (ESCO)

                                                                      Tension Spring (1m) EA952SA-142 (ESCO)

                                                                        Tension Spring (1m) EA952SA-143 (ESCO)

                                                                          Tension Spring (1m) EA952SA-151 (ESCO)

                                                                            Tension Spring (1m) EA952SA-152 (ESCO)

                                                                              Tension Spring (1m) EA952SA-161 (ESCO)

                                                                                Tension Spring (1m) EA952SA-162 (ESCO)

                                                                                  Tension Spring (1m) EA952SA-163 (ESCO)

                                                                                    Tension Spring (1m) EA952SA-172 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-173 (ESCO)

                                                                                      Brand

                                                                                      Accurate

                                                                                      Samini

                                                                                      MISUMI

                                                                                      MISUMI

                                                                                      KSSC

                                                                                      KSSC

                                                                                      MISUMI

                                                                                      KSSC

                                                                                      Showa

                                                                                      Tohatsu

                                                                                      Showa

                                                                                      Samini

                                                                                      Samini

                                                                                      MISUMI

                                                                                      Samini

                                                                                      Shinsei Hatsujo

                                                                                      Shinsei Hatsujo

                                                                                      Shinsei Hatsujo

                                                                                      ESCO

                                                                                      Shinsei Hatsujo

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      Trusco Nakayama

                                                                                      Samini

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      Product Series

                                                                                      UltraSpring Tension Coil Springs (Accurate)

                                                                                      Tensile Spring (Samini)

                                                                                      Extension Springs - Standard Lengths (MISUMI)

                                                                                      Tension Springs - Heavy Load (MISUMI)

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

                                                                                      K Series Tensile Coil Spring (Japan Spring Manufactures Association Standard) (KSSC)【1-20 Pieces Per Package】

                                                                                      Extension Springs - Configurable Lengths (MISUMI)

                                                                                      DS Series Tensile Coil Spring (KSSC)【1-20 Pieces Per Package】

                                                                                      Tensile Coil Spring (Showa)【3-20 Pieces Per Package】

                                                                                      Round-Wire Tensile Coil Spring J Spring JB (Tohatsu)【2-20 Pieces Per Package】

                                                                                      adj. Tensile Coil Spring (Showa)

                                                                                      Hanger Spring (Samini)

                                                                                      Tensile Spring with Plate (Samini)

                                                                                      Solid Coil Springs - Hook Insertion (MISUMI)

                                                                                      Titanium Tension Spring (Samini)

                                                                                      Tensile Spring S Series (Shinsei Hatsujo)【1-2 Pieces Per Package】

                                                                                      Tensile Spring R Series (Shinsei Hatsujo)【1-2 Pieces Per Package】

                                                                                      Tensile Spring E Series (Shinsei Hatsujo)【1-3 Pieces Per Package】

                                                                                      Tension Spring (1m) EA952SA-171 (ESCO)

                                                                                      Tensile Spring BT Series (Shinsei Hatsujo)

                                                                                      Tension Spring (1m) EA952SA-62 (ESCO)

                                                                                      Tension Spring (Stainless Steel) EA952SG-180 (ESCO)【5 Pieces Per Package】

                                                                                      Tension Spring (Stainless Steel) EA952SG-45 (ESCO)【5 Pieces Per Package】

                                                                                      Tension Spring (Stainless Steel) EA952SG-74 (ESCO)【5 Pieces Per Package】

                                                                                      Tensile Coil Spring (Trusco Nakayama)【10 Pieces Per Package】

                                                                                      Buffer Spring (Samini)

                                                                                      Tension Spring (1m) EA952SA-101 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-102 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-111 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-112 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-121 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-122 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-123 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-124 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-131 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-141 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-142 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-143 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-151 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-152 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-161 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-162 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-163 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-172 (ESCO)

                                                                                      Tension Spring (1m) EA952SA-173 (ESCO)

                                                                                      CAD
                                                                                      • 2D / 3D
                                                                                      • 3D
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      Days to Ship Same Day

                                                                                      Stock Items Included

                                                                                      Same Day

                                                                                      Stock Items Included

                                                                                      Same Day

                                                                                      Stock Items Included

                                                                                      Same Day

                                                                                      Stock Items Included

                                                                                      Same Day

                                                                                      Stock Items Included

                                                                                      Same Day

                                                                                      Stock Items Included

                                                                                      5 Days 4 Days 4 Days 4 Days 4 Days

                                                                                      Stock Items Included

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                                                                                      Specifications
                                                                                          • inCAD Components
                                                                                          • inCAD Components
                                                                                              • inCAD Components
                                                                                                          • inCAD Components
                                                                                                                                                                        MaterialStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel WireStainless Steel Wire / Piano WireStainless Steel WireStainless Steel Wire / Piano WireStainless Steel WireStainless Steel Wire / Piano WirePiano WireHard Steel WireStainless Steel Wire / Piano WireTitanium AlloyStainless Steel WireHard Steel WireHard Steel Wire-Hard Steel Wire----Stainless Steel WirePiano Wire-------------------
                                                                                                                                                                        TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard Type-Standard Type--Standard TypeStandard TypeStandard TypeStandard Type-Standard Type----Standard TypeStandard Type-------------------
                                                                                                                                                                        Hook Opposing Angle180° (Standard)180° (Standard)180° (Standard) / 90°180° (Standard) / 90°180° (Standard)180° (Standard)180° (Standard) / 90°180° (Standard)180° (Standard)180° (Standard)-90°-180° (Standard)180° (Standard)180° (Standard)180° (Standard)180° (Standard)-180° (Standard)----180° (Standard)90°-------------------
                                                                                                                                                                        Allowable Load P2(N)0.16 ~ 2030.84 ~ 181.70.69 ~ 225.556.47 ~ 430.510.147 ~ 215.60.539 ~ 90.36-3.761 ~ 162.9171.16 ~ 158.020.64 ~ 13.733.53 ~ 125506 ~ 4763352 ~ 725-45 ~ 120---------18.34 ~ 25.386.3 ~ 816-------------------
                                                                                                                                                                        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 / 110.01~~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~~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~~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~~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00-3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~~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~~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00-110.01~110.01~-30.01~60.00 / 60.01~110.00 / 110.01~---------15.01~30.0060.01~110.00 / 110.01~-------------------
                                                                                                                                                                        Length L2 at Allowable Load(mm)3.7 ~ 782.9-13.5 ~ 342.512 ~ 241.23.7 ~ 830.611.6 ~ 340.2-11.8 ~ 770.3----------------41.4 ~ 58.6--------------------
                                                                                                                                                                        Free Length Lf(mm)2.7 ~ 266.18 ~ 15010 ~ 20010 ~ 2002.7 ~ 266.16.8 ~ 162.2-10.1 ~ 266.111 ~ 2026.5 ~ 126.2500 ~ 1000200 ~ 476235 ~ 521-25 ~ 6025 ~ 10030 ~ 14029.1 ~ 138.6-117 ~ 260----29.7 ~ 36.6120 ~ 280-------------------
                                                                                                                                                                        Coil O.D. OD(Ø)0.9 ~ 34.51.8 ~ 222 ~ 243 ~ 240.9 ~ 34.52 ~ 203 ~ 283 ~ 34.53.2 ~ 242 ~ 163 ~ 3050 ~ 10032 ~ 485 ~ 1812 ~ 203.5 ~ 159 ~ 275 ~ 20-20 ~ 35----816 ~ 40-------------------
                                                                                                                                                                        Initial Tension Pi(N)0.029 ~ 86.6030.087 ~ 46.60.13 ~ 56.881.57 ~ 123.60.0294 ~ 86.5440.049 ~ 27.930.18 ~ 54.90.421 ~ 66.150.13 ~ 45.30.04 ~ 8.260.055 ~ 30.092--1.01 ~ 26.18----------4.511 ~ 6.963--------------------
                                                                                                                                                                        Spring Constant k(N/mm)0.006 ~ 18.6820.013 ~ 9.150.02 ~ 880.36 ~ 26.480.0059 ~ 18.6690.0069 ~ 3.2340.021 ~ 7.490.027 ~ 16.310.014 ~ 6.7180.01 ~ 1.960.0019 ~ 0.09043.09 ~ 56.82.84 ~ 8.530.04 ~ 0.851.9 ~ 6.5---------0.629 ~ 1.5631.57 ~ 7.94-------------------
                                                                                                                                                                        Wire Dia. d(Ø)0.1 ~ 2.50.18 ~ 2.90.2 ~ 3.20.45 ~ 40.1 ~ 2.50.2 ~ 20.3 ~ 3.50.5 ~ 2.50.32 ~ 2.30.2 ~ 1.60.2 ~ 2.64.5 ~ 134 ~ 60.6 ~ 2.31.6 ~ 2.50.5 ~ 21.2 ~ 40.5 ~ 2-2.6 ~ 4----0.9 ~ 11.6 ~ 5-------------------
                                                                                                                                                                        Total Number of Winding N10.5 ~ 79.5---10.5 ~ 79.515.5 ~ 62.5-10.5 ~ 79.5----20 ~ 40-3.5 ~ 11.5---------15.5 ~ 24.5--------------------
                                                                                                                                                                        Max. Deflection(mm)0.8 ~ 516.83 ~ 2493.5 ~ 167.52 ~ 46.2----6 ~ 280.5-100 ~ 2400249 ~ 65762 ~ 170-----------11.7 ~ 2255.6 ~ 102-------------------

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