STAINLESS SPRING WIRE
KOS SPRING WIRE has achieved an excellent reputation through our research and development to produce the hightest quality in the industry.
We produce spring wire using selected raw material of AISI 302,304,316 and 631J1.
Our unique coatings and excellent pay-off ability will allow high-speed spring manufacturing possible.
- High corrosion resistance
- Excellent productivity from nickel coated spring wire
- Nickel coating helps to keep wire brightness and allows for good solderablity.
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* Classification and Application of spring wire
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| Class |
Code |
Grade(AISI) |
Dia.(mm) |
Application |
S-CO
SS-CO
|
WPA |
302, 304, 316 |
0.14~6.00 |
General spring
Forming |
| WPB |
302, 304 |
| WPC |
631J1 |
0.25~6.00 |
High elastic spring
High heat-resisting spring |
| NI-CO |
WPA
WPB |
302, 304, 316 |
0.08~5.00 |
Precision coiling at high speed
Spring with larger index(D/d) |
| SNI-CO |
Spring with small index(D/d)
Complicated shape spring |
| BAT |
Spring to be soldered |
| NISBR |
Spring to be polished
Spring for better coiliability |
| NIBR |
Spring to be polished
Spring for better coiliability |
| BR |
Forming in bright surface
Spring in bright surface | |
(Remark)
S-CO : Non-metallic coating
NI-CO : Nickel coating
BR : Bright surface
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* Packing type and Weight
| TYPE |
Dia.(mm) |
Coil & Spool |
Weight(kg) |
 |
0.08~6.0 |
6 inch |
5 |
| 8 inch |
10 |
| 10 inch |
20 |
| 12 inch |
30 |
| 16 inch |
50 |
| 18 inch |
70 |
| 20/22 inch |
100 |
| 24 inch |
100/400 |
| Reelless |
300 |
 |
0.15~3.0 |
DIN 160 |
5 |
| DIN 200 |
12 |
| DIN 250 |
20 |
| DIN 460 |
35 |
| 560(22inch) |
120 |
| 760(30inch) |
400 |
 |
1.8~5.0 |
24 inch |
800 |
| 28 inch |
1000 | |
