ISO 9001、IATF16949、ISO14001 Certified

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PRODUCTS

Specialty Custom Springs

HJ Spring is active in researching and creating springs made in non-standard shapes using specialized materials such as Inconel® alloy or Hastelloy®. Many of these are designed for precision medical devices and aerospace industry. Contact HJ Spring with your device application

Production range: material wire diameter 0.15mm ~ 0.7mm (0.006"~ 0.0276") product outer diameter 12mm ~ 60mm (0.472" ~ 2.36")

Shaped Wire Options

  • Flat Wire
  • Rectangle Shaped Wire
  • Square Wire
  • Flat Wire

  • Rectangle Shaped Wire

  • Square Wire

Common Spring Material

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Material Symbol JIS NO. Applications
Normal
use
Well-
conductive
Corrosion-
resistant
Heat-
resistant
Fatigue-
resistant
Spring Steel SUP JIS G 4801 O        
Hard Drawn Wire SWB
SWC
JIS G 3521 O        
Music Wire SWP-A
SWP-B
JIS G 3522 O       O
Stainless Steel Wire SUS-304 JIS G 4314 O   O O  
SUS-316     O O  
SUS-631 J1     O O O
Nickel-plated Steel Wire SW-ND-C JIS G 4314   O      
Phosphor Bronze Wires C5191W-H JIS H 3270   O      
Oil Tempered Chromium Silicon Alloy Steel SWOSC-V JIS G 3561       O O
Oil Tempered Wire for Mechanical Springs SWOSC-B JIS G 3560 O       O
Carbon Tool Steel SK JIS G 4401 O        
Carbon Steels for Machine Structural Use S-C JIS G 4501 O        
Berylliumery Wire C1720W-H JIS H 3270   O O O O
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