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KOS

KOS

Stainless Wire

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Origin

The Republic of Korea


Description


Our top quality stainless spring wire guarantees excellent yield rate in coiling operation even by robot, and it stands to satisfy various customer requirements from precision spring and high strength spring(KOSPLUS) to medical use spring.  
 
Applications
Aerosol Spring / Battery Welding / Compression Spring / Tension Spring / Torsion Spring / High Strength Spring / High Fatigue Spring / Medical Use Spring / Non-Magnetic Spring / Forming Spring  

  KOS Stainless Wire


 
Grade
302, 304, 316, 631J1, KOS 96, DUPLEX 2205, NITRONIC 50, 904L,  
 
Diameter
0.08 mm ~ 5.0 mm  
 
Surface
S-Co, Ni-Co, Ni-Br, Br,  
 
Strength
WPA WPB WPC  
 
Packing
Coil ( 4 inch ~ 24 inch), Spool ( DIN 160~355, Steel 560~760), CARRIER (24/28 inch), REELLESS,  
 
Standard
AMS 5688K, ASTM A313/A, BS 2056, DIN 2076, EN 10270-3, SAE J230, ISO 6931-1, JIS G4314, KS D3535  
 
Reference
1. Mechanical properties of 631Ji Grade  

KOS Stainless Wire  1     
2. Comparison of KOS 96 Tensile Strength   

KOS Stainless Wire  2    
3. Comparison of Corrosion-resistance and Tensile Strength   

KOS Stainless Wire  3




The efficiency of Cold Heading Process is determined by the quality of coating agent used in stainless wires. Developed by KOS, Eco-friendly Green Coating (G-Co) is recognized as the highest quality coating agent as well as being appraised for its excellent formability.  
 
Applications
Bolt / Mechanical Bolt / Rivet / Blind Rivet / Screw / Tapping Screw / Nail / Washer  
  

KOS Stainless Wire  4


 
Grade
302HQ, 304, 304Cu, 304J3, 305J1, 316, 316L, KOS 92, 410, 430, 434Cu, XM-7 
 
Diameter
0.8 mm ~ 13.0 mm  
 
Surface
WSA, WSB,  
 
Strength
Br, X-Co, Cu-Co, G-Co, Cu-Mo  
 
Packing
Coil (12 inch ~ 32 inch), Carrier (16 inch~ 32 inch),  
 
Standard
ASTM A439, JIS G4315, KS D3703, SAE J405  
  
 




KOS weaving wire is produced with the highest quality raw materials, precise dies management and consistent annealing techniques, making it the best choice for high-tech material parts and ultra-fine printing mesh production.  

Applications 
LCD TV Panel / Printing Mesh / Refined Oil Filter / Industrial Mesh / Pharmaceutical Filter / Metal Fabric / Kitchenware  
  

KOS Stainless Wire  5


 
Grade
304, 304L, 309S, 310S, 314, 316, 316L, 316Ti, 317L, 321, 430  
 
Diameter
0.025 mm ~ 0.80 mm  
 
Surface
T/S : 500 N/㎟ ~ 1100 N/㎟     Elongation : 10 % ~ 45 %  
 
Strength
Br,  
 
Packing
Spool (MF 40~ 50, DIN 80 ~ DIN 250, PT 15~90, PL 2~8, P5 )  
 
Standard
DIN/ISO 4782, EN 10264-4, AMS 5697B, ASTM A478, UNS S31608, DIN 4186  
  
 




To increase production efficiencies of using the latest high-speed braiding machines, KOS produces a specially lubricated braiding wire that is specifically designed to meet each customers’ quality and packing requirements.  
 
Applications
Automotive Bellows / Reinforced Hose / Sanitary Hose / Industrial Ventilator  
  

KOS Stainless Wire  6


Grade 
304, 316 
 
Diameter
0.10 mm ~ 0.60 mm  
 
Surface
T/S : 780 N/㎟ ~ 950 N/㎟     Elongation : 25 % ~ 35 %  
 
Strength
Br,  
 
Packing
Spool ( DIN 125 ~ DIN 250, PT90 )  
 
Standard
DIN/ISO 4782, EN 10264-4, AMS 5697B, ASTM A478, UNS S31608, DIN 4186  
 




In accordance to development of knitting techniques that require higher elongation and toughness, KOS produces high performance knitting wires. Special lubrication on the surface of knitting wires is suitable for high-speed knitting process which guarantees increase in productivity.  
 
Applications
Airbag Inflator Filter / Demister / Industrial Filter / Automobile Exhaust System  
  

KOS Stainless Wire  7


Grade
304, 304L, 316, 316L, 310S 
 
Diameter
0.10 mm ~ 0.60 mm  
 
Surface
T/S : 780 N/㎟ ~ 950 N/㎟      Elongation : 25 % ~ 35 %  
 
Strength
Br,  
 
Packing
Spool ( DIN 125 ~ DIN 200, PT90 )  
 
Standard
DIN/ISO 4782, EN 10264-4, AMS 5697B, ASTM A478, UNS S31608, DIN 4186  
 




The material choice for precise electronic parts must be adjusted based on user’s working environment and amount of magnetism in the metal. KOS free cutting wire guarantees excellent roundness, consistent surface hardness and clean surface which will increase the productivity of consumers.  

Applications 
Printer / Medical Equipment / Gas Equipment / Fascimile / Vending Machine / Micro Motor Shaft / Refrigerator / Oil Pressure Valve / Mobile Phone  
  

KOS Stainless Wire  8


Grade
303, 303C, 303F, 303H, 303N, 410, 410C, 416, 420F, 420J2, 440B, 440C, KOS-92  
 
Diameter
0.80 mm ~ 7.5 mm  
 
Surface
W1, 1/8H, 1/4H, FH  
 
Strength
Br,  
 
Packing
Coil( 12 inch ~ 32 inch), Carrier( 24 inch ~ 32 inch), Straightness(2.0 ~ 2.5 Meter)  
 
Standard
Buyer’s Specification  
 




Since stainless general purpose wire requires advanced processing technique in various applications, meeting customers’ tensile strength, elongation and surface brightness is must for manufacturing the highest quality product.  
 
Applications
Wire Belt / Bearing Ball / Glasses Frame / Spoke Wire / System Plug / Mesh Belt / Reed / Gauge Wire / Dye Spring / Forming / Hanger for Coating / Stapler / Watch Band / Oil Well Screen / Scrubber / Fishing Hook / Kitchenware / Insert Thread / Acupuncture needle / Brush / Vinyard Wire / Redrawing / Washer  
  

KOS Stainless Wire  9


Grade
201, 201Cu, 204Cu, 304L, 304H, 304M, 310S, 314, 316, 316L, 420J2, 430, 434A  
 
Diameter
0.40 mm ~ 7.0 mm  
 
Surface
W1, 1/8H, 1/4H, 1/2H, 3/4H, FH  
 
Strength
Br,  
 
Packing
Coil( 8 inch ~ 24 inch), Carrier( 16 inch ~ 32 inch)  
 
Standard
ASTM A580, BS 1554, JIS G4309, DIN 671, JIS G4308, KS D3703  
  
 




Mainly used for torsion springs and medical uses, straightened wires' core character is uniformed straightness in its full length. 
KOS produces the wires by annealing process in the clean,separate atmosphere.  

Applications
Torsion Spring / Lancet(Blood Glucose Tester) / Acupuncture needle  
  

KOS Stainless Wire  10


Grade
302, 304, 304N1(Non-magnetic ) 
 
Diameter
0.18 mm ~ 0.70 mm  
 
Surface
WPDS, WPBS  
 
Strength
Br  
 
Packing
Coil (6 inch ~ 10 inch), Spool ( BP25 )  
 
Standard
JIS G4314  
 



Inquiry

CEO  Charlie ParkCorporate #  535-86-00664
Ace Dongbaek Tower 1-1101, 16-4, Dongbaekjungang-ro 16beon-gil, Giheung-gu, Yongin City, Gyeonggido, South Korea    (Post Code 17015)

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