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Wire Forms

Wire Forms

Wire forms are bent metal pieces made from a range of wire materials based on the application’s operating requirements and limits. They come in a variety of shapes and can be used as pins, antennas, latches, cable or pipe clips, brackets, and so on. HJ Spring is capable of forming the most complex shapes of wire forms and we are available to consult with you on your unique requirements.

Application: antenna spring, handle bracket spring, heat dissipation aluminum extrusion spring, lamp spring, buckle, hook, clamp, balance rod, curtain jewelry hardware
Production range: material wire diameter 0.1mm (0.0039") ~ 6.0mm (0.236")
Common Spring Material Preferred Wire Diameters

R Pin Specification Form

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Common Spring Material

Swipe Left To Know More
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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Preferred Wire Diameters (Metric size)

Material size
(mm)		 SWC
Hard Drawn wire		 SWP
Music wire		 SUS-304
Stainless steel wire		 SW-ND-C
Nickel-plated
Steel wire
8.00
O   O  
7.00 O   O  
6.50 O O O  
6.00 O O O  
5.50 O O O  
5.00 O O O  
4.50
O O O  
4.20 O O O  
4.00
O O O  
3.80
O O O  
3.50 O O O  
3.20 O O O  
3.00 O O O  
2.80 O O O  
2.60 O O O  
2.50 O O O  
2.40 O O O  
2.30
O O O  
2.20 O O O  
2.00 O O O  
1.80 O O O  
1.70 O O O  
1.60 O O O  
1.50 O O O  
1.40 O O O  
1.30 O O O  
1.20 O O O O
1.10 O O O  
1.00 O O O O
0.90 O O O O
0.85 O O O  
0.80 O O O O
0.75 O O O  
0.70
O O O O
0.65 O O O O
0.60 O O O O
0.55 O O O O
0.50 O O O O
0.45 O O O O
0.40 O O O O
0.38 O O O  
0.35 O O O O
0.32 O O O  
0.30 O O O O
0.28 O O O  
0.26 O O O  
0.25 O O O  
0.23 O O O  
0.21 O O O  
0.20 O O O  
0.18   O O  
0.16   O O  
0.15   O O  
0.14   O O  
0.13   O O  
0.12   O O  
0.11   O O  
0.10   O O  
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