Helical Springs
Source helical springs from India's verified manufacturers and exporters on Himalay. Browse the full range for industrial and export applications.
About Helical Springs
Helical springs are coiled springs wound from round wire (or bar) that store and release mechanical energy through torsion of the wire, providing controlled force or torque over a range of deflection. They are the most common spring type across automotive, valve, machinery, electrical, and consumer applications. The family divides by loading mode: compression springs (open-coil, resisting axial compression), extension springs (close-wound with hooks or loops, resisting axial pull), and torsion springs (with legs, resisting angular twist about the coil axis). Calculation and design follow EN 13906, with Part 1 for compression, Part 2 for extension, and Part 3 for torsion springs, alongside DIN 2095-2097 for manufacturing tolerances and quality grades. Springs are defined by wire diameter, mean coil diameter, free length, number of active coils, spring rate, and end configuration (closed-and-ground, hooks, or legs). Wire selection follows EN 10270: Part 1 patented cold-drawn unalloyed spring steel for static and light dynamic duty, Part 2 oil-hardened-and-tempered wire for higher dynamic stress, and Part 3 stainless grades (302, 316, 17-7 PH) for corrosion resistance, plus music wire and specialty alloys for special duty. Finishes include shot-peening for fatigue life, plus zinc, phosphate, or epoxy coatings for corrosion protection. Through Himalay, partner manufacturers can typically supply wire material certificates to EN 10204 3.1 where specified, load/rate test and dimensional inspection reports, salt-spray and coating data, and RoHS/REACH declarations; wire grade, end type, finish, and any test documentation are coordinated as part of the standard order flow, with PPAP-style submissions available for automotive programmes.
