KOSWIRE

MEDICAL WIRE

Superior surface cleanliness, homogeneous strength for fine and ultra-fine sizes, and application-based quality control ensures optimum conditions for various post processing.

NITINOL WIRE
FLAT ROLLED WIRE
STRAIGHTENED WIRE
SCREW ROPE, ROLLED, ROUND COIL
PTFE COATED WIRE
ULTRA-HIGH-STRENGTH WIRE,
ULTRA-HIGH-STRENGTH ROPE

RANGE

KOS Nitinol Wire specifications are categorized into drawing and hyper-elastic products.

SPECIFICATIONS

Chemical composition (wt%) : ASTM F2063 - "Standard Specification for Wrought Nickel-Titanium Shape Memory Alloys for Medical Devices And Surgical Implants"

Ni	C	Co	Cu	Cr	H	Fe	Nb	N+O	Ti
54.5~57.0	max. 0.05	max. 0.05	max. 0.01	max. 0.01	max. 0.005	max. 0.05	max. 0.025	max. 0.05	Bal.

Diameter range

Diameter range		Diameter tolerance	Deviation
0.10 ~ 1.80mm (0.0039" ~ 0.0708")	≤ 1.00mm (0.040")	± 0.0075mm (0.0003")	≤ 0.005mm (0.0002")
0.10 ~ 1.80mm (0.0039" ~ 0.0708")	＞ 1.00mm (0.040")	± 0.010mm (0.0004")	≤ 0.01mm (0.0004")

Classification			SPECIFICATIONS
Drawn wire	Mechanical properties	T/S	min. 1225 Mpa
	Mechanical properties	E/L	min 5.0 %
	Cast		min. 200mm (7.875")
	Surface condition		Black Oxide, Light Oxide , Bright (Oxide Free)
Hyper-elasticity	Mechanical properties	Upper Plateau Stress at 3% strain	min. 415 Mpa
		Lower Plateau Stress at 2.5% strain	min. 100 Mpa
		Ultimate Tensile Strength	min. 1140 Mpa
		Uniform Elongation	min. 10.0 %
		Residual Elongation after 6% Strained	max. 0.3 %
	Af temperature		-5℃≤ Af ≤ +18℃
	Straightness		max. 0.5/200mm (max. 0.0197/7.875")
	Surface condition		Black Oxide, Light Oxide , Bright (Oxide Free) , Electro-polished

SPECIFICATIONS

Application : Medical Catheter Braiding, Guide wire, Spring

Applicable grade : 304, 304V, 316, 316LVM

Range of dimension

Thickness		Width
0.017mm ~ 0. 050mm	(0.0007" ~ 0.0020")	Max. 7 ~ 10 times of the thickness

T/S : W1 (Annealed) ~ FH (Full Hard)

Characteristics

- Surface : Bright
- Edge shape : Natural Edge

SPECIFICATIONS

Application : Medical Guide wire, Medical equipment

Characteristics

- When manufacturing guide wire, deep taper grinding is possible without special heat treatment.
- Straightness that does not change even at long term storage at room temperature
- Applicable grade : 304, 304V, 302, 301

Range of size

- Diameter range : 0.10 ~ 0.85 mm
- Packing : BS-1 (SD-300K), 460-SP (SH-460K)

Product Characteristics

Category		Characteristics		Remarks
Straightness	Normal	max. 4.0/300 mm	max. 2.0/200 mm	Acupuncture quality
	Good	max. 2.0/300 mm	max. 1.0/200 mm
	Excellent	max. 1.0/300 mm	max. 0.5/200 mm	Excellent torque performance
	Excellent	max. 1.0/300 mm	max. 0.5/200 mm	Suitable for Tapered guide wire

KOS SCREWROPE

Possible grade : 304, 304V

Construction : 1x7, 1x19 (Construction)

Diameter range : 0.50 ~ 0.90mm

Most used length : 1.90M ~ 2.70M

Characteristics

- Excellent straightness
- Outstanding torque performance
- Clean surface
- Excellent quality for price

KOS COIL

Possible grade : 304, 304V

Type : Rolled coil, Round coil

Diameter range : 0.90 ~ 2.70mm

SPECIFICATIONS

Application : Medical spring, Guide Wire, Catheter

Applicable grade : 304, 304V

Diameter range : 0.13 ~ 0.40 mm

Package : Spool

Characteristics

- PFOA Free
- Coating thickness : 2~ 5㎛

SPECIFICATIONS

Application : Medical device – guide Wire, Catheter

Applicable grade : 304, 304V

Diameter range : 0.020 ~ 0.50 mm

T/S : Almost same as Steel Piano wires

Category	Steel Piano wires
	JIS G 3522				JIS G 4314		EN 10270-3, 1.4310
	N/㎟		Kpsi.		N/㎟		N/㎟
	Min	Max	Min	Max	Min	Max	Min	Max
d ≤0.08	3190	3480	463	505	2150	2400	2350	2710
0.08＜ d ≤0.09	3140	3430	455	497
0.09＜ d ≤0.10	3090	3380	448	490
0.10＜ d ≤0.11	3040	3330	441	483
0.11＜ d ≤0.12	3040	3330	441	483
0.12＜ d ≤0.14	2990	3290	434	477
0.14＜ d ≤0.16	2940	3240	426	470
0.16＜ d ≤0.18	2890	3190	419	463
0.18＜ d ≤0.20	2840	3090	412	448
0.20＜ d ≤0.23	2790	3040	405	441	2050	2300	2300	2650
0.23＜ d ≤0.25	2750	2990	399	434
0.25＜ d ≤0.26	2750	2990	399	434
0.26＜ d ≤0.28	2700	2940	392	426
0.28＜ d ≤0.29	2700	2940	392	426
0.29＜ d ≤0.30	2650	2890	384	419
0.30＜ d ≤0.32	2650	2890	384	419			2250	2590
0.32＜ d ≤0.33	2600	2840	377	412
0.33＜ d ≤0.35	2600	2840	377	412
0.35＜ d ≤0.40	2550	2790	370	405
0.40＜ d ≤0.41	2550	2790	370	405	1950	2200	2200	2530
0.41＜ d ≤0.45	2550	2790	370	405
0.45＜ d ≤0.50	2550	2750	363	399

Ultra-high-strength Rope: Ultra-high strength ropes consist of ultra high strength wire (2800 ~ 3400N / ㎟)

- Most popular construction and diameter: 0.30 ~ 0.60mm , 1 X 7 Construction