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Tension Springs(Material:Hard Steel 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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Brand
Product Series
Days to Ship
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)

    Tension Spring With Plate

      Extension Spring R Series

        Extension Spring BT Series

          Extension Spring E Series

          Brand

          SAMINI

          SHINSEI HATSUJHO

          SHINSEI HATSUJHO

          SHINSEI HATSUJHO

          Product Series

          Tension Spring With Plate

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

          Extension Spring BT Series

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

          Days to Ship 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
          Free Length Lf(mm)235 ~ 52130 ~ 140117 ~ 26029.1 ~ 138.6
          Coil Outer Dia. OD(Ø)32 ~ 489 ~ 2720 ~ 355 ~ 20
          Allowable Load (Configurable Range)(N)110.01~---
          Wire Dia. d(Ø)4 ~ 61.2 ~ 42.6 ~ 40.5 ~ 2
          MaterialHard Steel WireHard Steel WireHard Steel WireHard Steel Wire
          Length L2 at Allowable Load(mm)----
          Hook Opposing Angle-180° (Standard)180° (Standard)180° (Standard)
          Spring Constant k(N/mm)2.84 ~ 8.53---
          Type-Standard TypeStandard TypeStandard Type
          Allowable Load P2(N)352 ~ 725---
          Initial Tension Pi(N)----
          Total Number of Winding N20 ~ 40---
          Max. Deflection(mm)62 ~ 170---

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