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

  • Recommendation

Tensile Spring

    Tension Springs - Standard Lengths

      Tension Springs - Heavy Load

        Tensile Coil Spring - DIN 2098 Standard, D Series

        • More configuration options are available now

        Tension Springs - Configurable Lengths

          Round-Wire Tensile Coil Spring  J Spring JB

            Tensile Coil Spring - Japan Spring Manufacturers Association Standard

              Tensile Coil Spring

                DS Series  Tensile Coil Spring

                  Hooking Pliers

                    Extension Spring - Regular, Music Wire

                      Tension Springs - Hook Insertion

                        Extension Spring - Regular, Spring Steel

                          Extension Spring - Regular, Stainless Steel

                            Tensile Spring with Plate

                              Titanium Tension Spring

                                Double Tapered-ended Tension Spring EA952XM-6

                                  Tensile Coil Spring

                                    Buffer Spring

                                      Hanger Spring

                                        Tension Spring (1m) EA952SA-52

                                          [Tension/compression] Spring Set EA952TA

                                            Double Tapered-ended Tension Spring EA952XM-8

                                              Extension Spring - Regular, Hard Drawn

                                                Tensile Spring R Series

                                                  Tension Spring (1m) EA952SA-101

                                                    Tension Spring (1m) EA952SA-163

                                                      Tension Spring (1m) EA952SA-171

                                                        Tension Spring (1m) EA952SA-51

                                                          Tension Spring (Stainless Steel) EA952SG-203

                                                            [Stainless Steel] Tension Spring EA952XH-36.5

                                                              Double Tapered-ended Tension Spring EA952XM-1

                                                                Double Tapered-ended Tension Spring EA952XM-7

                                                                  Tensile Spring S Series

                                                                    Tensile Spring BT Series

                                                                      Tensile Spring E Series

                                                                        Tension Spring (1m) EA952SA-102

                                                                          Tension Spring (1m) EA952SA-111

                                                                            Tension Spring (1m) EA952SA-112

                                                                              Tension Spring (1m) EA952SA-121

                                                                                Tension Spring (1m) EA952SA-122

                                                                                  Tension Spring (1m) EA952SA-124

                                                                                    Tension Spring (1m) EA952SA-131

                                                                                      Tension Spring (1m) EA952SA-141

                                                                                      Brand

                                                                                      Accurate

                                                                                      Samini

                                                                                      MISUMI

                                                                                      MISUMI

                                                                                      KSSC

                                                                                      MISUMI

                                                                                      Tohatsu

                                                                                      KSSC

                                                                                      Showa

                                                                                      KSSC

                                                                                      Samini

                                                                                      Century Spring

                                                                                      MISUMI

                                                                                      Century Spring

                                                                                      Century Spring

                                                                                      Samini

                                                                                      Samini

                                                                                      ESCO

                                                                                      Showa

                                                                                      Samini

                                                                                      Samini

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      Century Spring

                                                                                      Shinsei Hatsujo

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      Shinsei Hatsujo

                                                                                      Shinsei Hatsujo

                                                                                      Shinsei Hatsujo

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      ESCO

                                                                                      Product Series

                                                                                      UltraSpring Tension Coil Springs

                                                                                      Tensile Spring

                                                                                      Tension Springs - Standard Lengths

                                                                                      Tension Springs - Heavy Load

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

                                                                                      Tension Springs - Configurable Lengths

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

                                                                                      Tensile Coil Spring - Japan Spring Manufacturers Association Standard【1-20 Pieces Per Package】

                                                                                      Tensile Coil Spring【3-20 Pieces Per Package】

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

                                                                                      Hooking Pliers

                                                                                      Extension Spring - Regular, Music Wire

                                                                                      Tension Springs - Hook Insertion

                                                                                      Extension Spring - Regular, Spring Steel

                                                                                      Extension Spring - Regular, Stainless Steel

                                                                                      Tensile Spring with Plate

                                                                                      Titanium Tension Spring

                                                                                      Double Tapered-ended Tension Spring EA952XM-6

                                                                                      Tensile Coil Spring

                                                                                      Buffer Spring

                                                                                      Hanger Spring

                                                                                      Tension Spring (1m) EA952SA-52

                                                                                      [Tension/compression] Spring Set EA952TA

                                                                                      Double Tapered-ended Tension Spring EA952XM-8

                                                                                      Extension Spring - Regular, Hard Drawn

                                                                                      Tensile Spring R Series【1-2 Pieces Per Package】

                                                                                      Tension Spring (1m) EA952SA-101

                                                                                      Tension Spring (1m) EA952SA-163

                                                                                      Tension Spring (1m) EA952SA-171

                                                                                      Tension Spring (1m) EA952SA-51

                                                                                      Tension Spring (Stainless Steel) EA952SG-203【5 Pieces Per Package】

                                                                                      [Stainless Steel] Tension Spring EA952XH-36.5【5 Pieces Per Package】

                                                                                      Double Tapered-ended Tension Spring EA952XM-1

                                                                                      Double Tapered-ended Tension Spring EA952XM-7

                                                                                      Tensile Spring S Series【1-2 Pieces Per Package】

                                                                                      Tensile Spring BT Series

                                                                                      Tensile Spring E Series【1-3 Pieces Per Package】

                                                                                      Tension Spring (1m) EA952SA-102

                                                                                      Tension Spring (1m) EA952SA-111

                                                                                      Tension Spring (1m) EA952SA-112

                                                                                      Tension Spring (1m) EA952SA-121

                                                                                      Tension Spring (1m) EA952SA-122

                                                                                      Tension Spring (1m) EA952SA-124

                                                                                      Tension Spring (1m) EA952SA-131

                                                                                      Tension Spring (1m) EA952SA-141

                                                                                      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

                                                                                      5 Days 4 Days Same Day

                                                                                      Stock Items Included

                                                                                      4 Days 4 Days 5 Days 5 Days 7 Days 5 Days 5 Days 4 Days 4 Days 4 Days 4 Days

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                                                                                      4 Days 4 Days 4 Days 4 Days 4 Days 5 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days 4 Days
                                                                                      Specifications
                                                                                          • Rapid Design
                                                                                          • Rapid Design
                                                                                            • Rapid Design
                                                                                                        • Rapid Design
                                                                                                                                                                        MaterialStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel WireStainless Steel WireStainless Steel Wire / Piano WireStainless Steel Wire-Piano WireStainless Steel Wire / Piano WireSteel WireStainless Steel WireHard Steel WireTitanium Alloy-Stainless Steel Wire / Piano WirePiano WirePiano Wire---Steel WireHard Steel Wire--------Stainless Steel WireHard Steel WireHard Steel Wire--------
                                                                                                                                                                        TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard Type-Standard Type-Standard TypeStandard Type-Standard Type--Standard TypeStandard Type---Standard TypeStandard Type--------Standard TypeStandard TypeStandard Type--------
                                                                                                                                                                        Hook Opposing Angle180° (Standard)180° (Standard)180° (Standard) / 90°180° (Standard) / 90°180° (Standard)180° (Standard) / 90°180° (Standard)180° (Standard)180° (Standard)180° (Standard)-180° (Standard)180° (Standard)180° (Standard)180° (Standard)-180° (Standard)--90°90°---180° (Standard)180° (Standard)--------180° (Standard)180° (Standard)180° (Standard)--------
                                                                                                                                                                        Allowable Load P2(N)0.16 ~ 2030.84 ~ 181.70.69 ~ 225.556.47 ~ 430.510.147 ~ 215.6-0.64 ~ 13.730.539 ~ 90.361.16 ~ 158.023.761 ~ 162.917-14.2 ~ 266.9-12 ~ 249.117.8352 ~ 72545 ~ 120-3.53 ~ 12586.3 ~ 816506 ~ 4763---97.9 ~ 444.8--------------------
                                                                                                                                                                        Allowable Load (Configurable Range)(N)Up to 1.25 / 1.26 to 3.50 / 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 MoreUp to 1.25 / 1.26 to 3.50 / 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 MoreUp to 1.25 / 1.26 to 3.50 / 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 More3.51 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 MoreUp to 1.25 / 1.26 to 3.50 / 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-Up to 1.25 / 1.26 to 3.50 / 3.51 to 8.00 / 8.01 to 15.00 / 15.01 to 30.00 / 30.01 to 60.00Up to 1.25 / 1.26 to 3.50 / 3.51 to 8.00 / 8.01 to 15.00 / 15.01 to 30.00 / 30.01 to 60.00 / 60.01 to 110.00Up to 1.25 / 1.26 to 3.50 / 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 More3.51 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-8.01 to 15.00 / 15.01 to 30.00 / 30.01 to 60.00 / 60.01 to 110.00 / 110.01 or More-8.01 to 15.00 / 60.01 to 110.00 / 110.01 or More15.01 to 30.00110.01 or More30.01 to 60.00 / 60.01 to 110.00 / 110.01 or More--60.01 to 110.00 / 110.01 or More110.01 or More---60.01 to 110.00 / 110.01 or More--------------------
                                                                                                                                                                        Length L2 at Allowable Load(mm)3.7 ~ 782.9-13.5 ~ 342.512 ~ 241.23.7 ~ 830.6--11.6 ~ 340.2-11.8 ~ 770.3-91.4 ~ 302.3-57.4 ~ 609.6153.7---------110 ~ 241.3--------------------
                                                                                                                                                                        Free Length Lf(mm)2.7 ~ 266.18 ~ 15010 ~ 20010 ~ 2002.7 ~ 266.1-6.5 ~ 126.26.8 ~ 162.211 ~ 20210.1 ~ 266.1-38.1 ~ 127-47.75 ~ 304.857.2235 ~ 52125 ~ 60-500 ~ 1000120 ~ 280200 ~ 476---79.5 ~ 165.130 ~ 140--------25 ~ 100117 ~ 26029.1 ~ 138.6--------
                                                                                                                                                                        Coil O.D. OD(Ø)0.9 ~ 34.51.8 ~ 222 ~ 243 ~ 240.9 ~ 34.53 ~ 282 ~ 162 ~ 203.2 ~ 243 ~ 34.5-4.8 ~ 19.15 ~ 184 ~ 2710.732 ~ 4812 ~ 20-3 ~ 3016 ~ 4050 ~ 100---19.1 ~ 31.89 ~ 27--------3.5 ~ 1520 ~ 355 ~ 20--------
                                                                                                                                                                        Initial Tension Pi(N)0.029 ~ 86.6030.087 ~ 46.60.13 ~ 56.881.57 ~ 123.60.0294 ~ 86.5440.18 ~ 54.90.04 ~ 8.260.049 ~ 27.930.13 ~ 45.30.421 ~ 66.15-0.9 ~ 22.31.01 ~ 26.181.4 ~ 62.31.8---0.055 ~ 30.092-----17.8 ~ 111.2--------------------
                                                                                                                                                                        Spring Constant k(N/mm)0.006 ~ 18.6820.013 ~ 9.150.02 ~ 880.36 ~ 26.480.0059 ~ 18.6690.021 ~ 7.490.01 ~ 1.960.0069 ~ 3.2340.014 ~ 6.7180.027 ~ 16.31-0.1 ~ 5.30.04 ~ 0.850.1 ~ 15.40.22.84 ~ 8.531.9 ~ 6.5-0.0019 ~ 0.09041.57 ~ 7.943.09 ~ 56.8---0.9 ~ 6.8--------------------
                                                                                                                                                                        Wire Dia. d(Ø)0.1 ~ 2.50.18 ~ 2.90.2 ~ 3.20.45 ~ 40.1 ~ 2.50.3 ~ 3.50.2 ~ 1.60.2 ~ 20.32 ~ 2.30.5 ~ 2.5-0.6 ~ 2.70.6 ~ 2.30.5 ~ 3.10.94 ~ 61.6 ~ 2.5-0.2 ~ 2.61.6 ~ 54.5 ~ 13---2 ~ 4.11.2 ~ 4--------0.5 ~ 22.6 ~ 40.5 ~ 2--------
                                                                                                                                                                        Total Number of Winding N10.5 ~ 79.5---10.5 ~ 79.5--15.5 ~ 62.5-10.5 ~ 79.5-40.6 ~ 175.3-9.7 ~ 304.896.520 ~ 403.5 ~ 11.5-------30.5 ~ 88.9--------------------
                                                                                                                                                                        Max. Deflection(mm)0.8 ~ 516.83 ~ 2493.5 ~ 167.52 ~ 46.2----6 ~ 280.5------62 ~ 170--100 ~ 240055.6 ~ 102249 ~ 655------------------------

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