Tension Springs in India

Tension Springs in India

Tension Springs, also known as Extension Springs, are mechanical devices designed to absorb and store energy by resisting pulling forces (tension). These springs are typically manufactured with hooked, looped, or threaded ends, which allow them to stretch and return to their original shape, maintaining consistent force during operation.

In India, tension springs are manufactured using high-gradecarbon steel, stainless steel, and alloy steel in compliance with IS, DIN, and ASTM standards. These springs are widely used across industries such as automotive, agriculture, appliances, machinery, and electronics due to their strength, flexibility, and resilience.

Features with Uses

Feature

Use / Benefit

Hooked or Loop Ends

Easy installation in assemblies to connect two components

High Tensile Steel or SS

Provides durability, elasticity, and corrosion resistance

Custom Coil Diameter & Pitch

Tailored for specific force and extension needs

Heat-Treated

Enhances fatigue life and mechanical performance

Rust-Proof Coating Available

Suitable for humid or corrosive environments

Precision Winding

Ensures consistent extension and force characteristics

Wide Load Range

Supports applications from light to heavy-duty pulling forces

Compact Design

Can fit into tight spaces in mechanical and consumer products

Applications of Tension Springs

  • Automobile Seat Recliners and Tailgates
  • Washing Machines and Appliances
  • Garage Doors and Rolling Shutters
  • Agricultural Equipment
  • Tooling and Die Machinery
  • Industrial Packaging Equipment
  • Textile Machinery
  • Playground and Exercise Equipment
  • Electrical Switchgear and Contacts
  • Vibrating and Actuating Mechanisms

Key Points Summary

  • ? Spring Type: Tension / Extension Spring
  • ? End Types: German Loop, English Hook, Side Loop, Extended Hook, Threaded Inserts
  • ? Materials Used: Spring Steel, Stainless Steel (SS304/316), Music Wire, Inconel
  • ? Wire Diameter: From 0.2 mm to 12 mm
  • ? Finish Options: Zinc-plated, Powder-coated, Black Oxide
  • ? Manufacturing Locations: Ahmedabad, Pune, Delhi, Chennai, Coimbatore, Rajkot
  • ? Standards Followed: IS 7906, DIN 2097, ASTM A228
  • ? MOQ: From 100 pieces to bulk OEM supply
  • ? Customization: Yes, based on drawing, sample, or specifications
  • ? Packaging: Boxed in coil sets or individually based on export/domestic supply

Top 10 FAQs – Tension Springs in India

  1. What is a tension spring used for?
    Tension springs are used to pull two components together, storing mechanical energy when stretched.
  2. What materials are used in manufacturing tension springs?
    Common materials include spring steel, stainless steel, and music wire, depending on the application.
  3. How are tension springs different from compression springs?
    Tension springs resist extension (pulling) while compression springs resist compression (pushing).
  4. Can I get custom-made tension springs in India?
    Yes, most Indian manufacturers offer custom manufacturing based on drawings or force/load requirements.
  5. What is the typical lifespan of a tension spring?
    High-quality tension springs can last thousands to millions of cycles, depending on load and environment.
  6. Are these springs suitable for outdoor or marine use?
    Yes, with materials like SS316 or zinc-coated variants, they work well in corrosive environments.
  7. How do I select the right tension spring?
    Selection depends on load requirement, travel length, end type, material, and environmental conditions.
  8. Do manufacturers offer bulk/OEM supply in India?
    Yes, several tension spring manufacturers in India supply to OEMs and export markets.
  9. Are Indian-made tension springs exported?
    Yes, India exports tension springs to Europe, Middle East, Southeast Asia, and Africa.
  10. What is the price range of tension springs in India?
    Prices start as low as ?5–?50 per unit for standard sizes, going up for custom high-tension or large springs.

 

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