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http://www.furukawa-ftm.com/


Furukawa Techno Material2E-GISI-08-01_Rev.2-1

Furukawa Ni-Ti Tube has been selected for many medical devices such as Stents. Available in

wide range of sizes with the strict OD & ID dimensions throughout the length assuring the tight

WT uniformity to meet different requirements for various customers.

Furukawa has unique vacuum melting and production lines. The most durable (good fatigue

life) alloys available in the market are manufactured through fine control of the disperse of

inclusions. Our alloy conforms with ASTM F 2063, the Ni-Ti alloy standard for medical devices.

A truly integrated production brings customized formulations available. You can choose a

custom designed super-elasticity.

Comparison of inclusions (after SPEED method (Selective Potentiostatic Etching

by Electrolytic Dissolution))

Furukawa

10mm

0.5 inch

Ni-Ti Tubes for Medical Devices

Email: [email protected]: www.furukawa-ftm.com

5μm

Company A

mailto:[email protected]


Furukawa Techno Material2E-GS-2001

10mm

0.5 inch

Ni-Ti Tube for Medical Devices


Rapid Response Program for Nitinol Tubes

• Nitinol Tubes made to your Spec.• Dispatch within 3 weeks from order

(best case, may vary by order stat. & availability of jig for the tube size)

• Qty varies according to the size and is always subject to production availability.

• Available in Furukawa Binary NT-Nalloy (Ingot Af (DSC) : 0±10℃)

• ASTM F 2063-18 compliance readyPlease contact us for more details.

Web Stock Nitinol Tubes

• Stocked Nitinol Tubes are available in our Web sitehttps://www.furukawa-ftm.com/english/nt-e/stock/index.php

• Dispatch within 1~2 weeks from orderPlease contact us for more details.

Tube OD (mm）

Max. Volume(m）

0.3 ~ 0.8 20

~ 1.0 10

~ 4.0 5

~ 8.0 3

~ 15.0 1



https://www.furukawa-ftm.com/english/nt-e/stock/index.php

Furukawa Techno Material2E-GISI-12-23-1

2. Dimension

(mm) (inch)

OD WT OD WT

0.3 ～ 0.6 0.040 ～ 0.060 0.015 0.015 0.013 ～ 0.024 0.0016 ～ 0.0024 0.0006 0.0006

0.8 ～ 2.5 0.100 ～ 0.400 0.020 0.020 0.031 ～ 0.098 0.0039 ～ 0.0157 0.0008 0.0008

3.5 ～ 5.0 0.160 ～ 0.400 0.030 0.030 0.138 ～ 0.197 0.0063 ～ 0.0157 0.0012 0.0012

5.0 ～ 10.0 0.200 ～ 0.460 0.050 0.030 0.197 ～ 0.394 0.0079 ～ 0.0181 0.0020 0.0012

10.0 ～ 11.0 0.350 ～ 0.600 0.050 0.030 0.394 ～ 0.433 0.0138 ～ 0.0236 0.0020 0.0012

11.0 ～ 13.0 0.400 ～ 0.700 0.050 0.040 0.433 ～ 0.512 0.0157 ～ 0.0276 0.0020 0.0016

Standard tolerance +/-

Outer diameter Wall thickness

Standard tolerance +/-

Wall thicknessOuter diameter

Available range Available range

4. Surface condition

No oxide

Thin - black oxide

OuterNo oxide

Centerless grinding

Thin oxide

Pickled

InnerPickled

3. Transformation temperature and mechanical property

Mechanical Af* 3% UPS 6% PS UTS Elongation

℃ MPa (ksi) % MPa (ksi) %

NT-N -5 ～ 10 > 400 (58) 0.5 > 1050 (152)

NT-E4 0 ～ 15 > 350 (50) 0.5 > 1000 (145) > 10

NT-E9 10 ～ 25 > 320 (46) ― > 1000 (145)

* Based on BFR (Bending Free Recovery)

** Tensile test at Room Temperature

Alloy type

10mm

0.5 inch

Ingot Af

at% mass% ℃ C max. 0.050

NT-N 50.95Ni-Ti 56.01Ni-Ti -10 ~ 12 Co max. 0.050

NT-E4 50.85Ni-Ti 55.91Ni-Ti 5 ~ 28 Cu max. 0.010

NT-E9 50.70Ni-Ti 55.76Ni-Ti 20 ~ 35 Cr max. 0.010

H* max. 0.005

Fe max. 0.050

Nb max. 0.025

N+O max. 0.050

Comply with ASTM F 2063-05

Comply with ASTM F 2063-05 * H: final tube

Minor elements, mass%

Metallurgical properties

Dimension of inclusions

and porositiesArea

< 39 μm 　< 2.5 %

1. Alloy type & composition

Alloy typeComposition

Ni-Ti Tube for Medical Devices




Ni-Ti Line-up & New Ni-Ti-Co for Medical Guidewires

Furukawa Techno Material2EGS-1267-01-1

Furukawa has powerful line-up of Ni-Ti wires for medical Guidewires !!!

【FHP-NT】

Furukawa recently launched a new range of FHP-

NT(Furukawa High Pushability) wires, which are

Furukawa patented products. The well-known FHP-

NT wires have already penetrated the Guidewire

market. Now, FHP3-NT and FHP4-NT are available

to develop superior recovery performance and small

stress hysteresis whilst retaining high upper stress.

【New Super-elastic Ni-Ti-Co】

Now, let’s take a look at a revolutionary Ni-Ti super-

elastic alloy! Our NT-K wire has much higher Upper

Plateau Stress than Ni-rich binary alloy. It is ideal for

super-elastic Guidewires, which request higher

stiffness. The narrow stress hysteresis can also

acheive no whip during the Guidewire rotation.

NT-N

NT-E4

【NT-Super-elastic】

FHP4-NT

FHP3-NT

FHP-NT

NT-K

NT-N




Ni-Ti Wire for Medical Devices

Furukawa Techno Material2E-GS-1334-1

3. Transformation temperature and mechanical property

Mechanical Af* 3% UPS 6% PS UTS Elongation

℃ MPa (ksi) % MPa (ksi) %

NT-N -5 ～ 10 > 400 (58) 0.5 > 1050 (152)

NT-E4 0 ～ 15 > 350 (50) 0.5 > 1000 (145) > 10

NT-E9 10 ～ 25 > 320 (46) ― > 1000 (145)

* Based on BFR (Bending Free Recovery)

** Tensile test at Room Temperature

Alloy type

Ingot Af

at% mass% ℃ C max. 0.050

NT-N 50.95Ni-Ti 56.01Ni-Ti -10 ~ 12 Co max. 0.050

NT-E4 50.85Ni-Ti 55.91Ni-Ti 5 ~ 28 Cu max. 0.010

NT-E9 50.70Ni-Ti 55.76Ni-Ti 20 ~ 35 Cr max. 0.010

H* max. 0.005

Fe max. 0.050

Nb max. 0.025

N+O max. 0.050

Comply with ASTM F 2063-05

* H: final wire

Minor elements, mass%

1. Alloy type & composition

Alloy typeComposition

2. Dimension

0.04 ～ 0.10

0.10 ～ 1.00

1.00 ～ 1.50

1.50 ～ N/A

Available Range of

Diameter

Standard tolerance

mm

+/-0.005

+/-0.010

+/-0.015

4. Surface condition

Thin Oxide(Light Oxide)

Pickled (without Oxide)




Furukawa Techno Material2E-GISI-00-21_Rev.2-1

Furukawa has a complete line of Ni-Ti wires to meet every needs of your medical

Guidewires. In addition to the superior super-elasticity and straightness, you have choices

of stiffness and surface finishes to find the best wire for your application.

【FHP-NT】 A Ni-Ti wire with high stiffness like no other, FHP-NT is 3 times stiffer than the

ordinary Ni-Ti wires. It does not have yield point. It is a Furukawa patented product.

Type Composition

Upper Stress

at 4% Strain

MPa (ksi)

Stress Hysteresis

at 2% Strain

MPa (ksi)

Permanent Set

after 4%Strain

(%)

Straightness

(mm)

FHP-NT54 ~ 57 wt% Ni-Ti

1270 （185） 80 (12) 0.05 3

NT-E4 (SEA) 490 （71） 265 (39) 0.00 2

Composition and Mechanical Properties

Furukawa Company A

介在物の比較（SPEED法による介在物の抽出後）

【Super-elastic Ni-Ti】 All Furukawa NT-E4

and NT-N super-elastic wires are made in-house

from ingots. Our integrated manufacturing

process realizes products to meet details of your

requests on strength of super-elasticity to finish

of wire surface. Our wires are highly favored by

major medical device makers world wide.

Ni-Ti Wires for Medical Guidewires

FHP-NT NT-E4 (Super-elastic type)




Furukawa Extra Low Inclusion wire

F-ELI wire for medical devices


Email: [email protected]

Actual Inclusion Distribution

Alloy type Nominal Composition

(mass%)

Ingot Af

℃ (°F)

Wire Dia. Surface

NT-N-FELI 56.0 Ni-Ti -10～12 (14～53) 0.002”～0.040”

(0.05～1.00 mm)

Thin oxide

or PickledNT-E4-FELI 55.9 Ni-Ti 5～28 (41～82)

Inspection comply with ASTM F2063-12(inspected at hot-worked condition)

F-ELI

Size≦15μm Area%≦0.5% GUARANTEED !

½ of ASTM F2063-12 requirement !!

Superior Fatigue Life !!!

Full Range Traceability (In-House Melting)

Company A

5μm

┗━┛

5μm

┗━┛

Web: www.furukawa-ftm.com

0

5

10

15

20

Fre

qu

en

cy

Area, %

Area percent

ASTM F2063-12

≦2.8%

F-ELI

≦0.5%

0

5

10

15

20

Fre

qu

en

cy

Size, µm

Max. inclusions and voids(Stringer)

ASTM F2063-12

≦39μm

F-ELI

≦15μm

0

5

10

15

20

Fre

qu

en

cy

Size, µm

Max. inclusion(Individual)

ASTM F2063-12

≦39μm

F-ELI

≦15μm



1,000

800

600

400

200

00 1 2 4

Strain (%)

Str

ess (

MP

a)

Str

ess (

ksi)

100

50

0

Pt-cored NiTi Tube NiTi Wire

Furukawa developed a Pt-Cored Ni-Ti

wire for high visibility under the x-ray

observation.

Ni-Ti alloy with a Platinum core made

the wire with high radiopacity clearly

visible under the x-ray without spoiling

its super-elasticity. The wire is

available in 0.05~1.0mm diameter with

a core area ratio of 10~20%.

Furukawa Techno Material2E-GISI-02-34_Rev.3

＊ X-Ray images

Pt - cored Ni-Ti wire

Web: www.furukawa-ftm.com Email: [email protected]



NT-M3-TTR & NT-H7-TTR wiresFor miniaturizing and cost down your actuators

NT-TTR wire for Compact Actuator


Email: [email protected]

Nitinol (Shape memory) wire can offer;- Easy actuation - just apply electric current

Makes your system small, light, simple, and cost effective

- Actuation power & speed are both controllable via the level of electric current

- Lightweight but high output- Silent and smooth actuation2 types of alloys (M3/NiTi and H7/NiTiCu) available based on our melting technology.*Patent：JPN3956613

Web: www.furukawa-ftm.com

Contraction &

Expansion

NT Wire

Heat-up

NT Wire

Cool down

Electricity OnElectricity Off

Heating Cooling

(sec) (sec)

50 (0.0020) 400 110 0.3 0.7 60 (300)

100 (0.0039) 100 300 0.6 2.5 200 (250)

200 (0.0078) 25 700 1.5 7.0 640 (200)

50 (0.0020) 550 90 0.5 1.0 80 (400)

100 (0.0039) 140 200 1.0 3.0 280 (350)

200 (0.0078) 35 500 2.5 9.0 960 (300)

Max. actual

strain

(%)

Max. pulling

force

(gf (MPa))

～5

Ni-Ti-CuNT-H7-TTR ～5

AlloyProduct#Wire dia.

(μm (inch))

Ni-TiNT-M3-TTR

Resistance

at RT

(Ω/m)

Min. current

to actuate

at RT (mA)

Actuation time at RT



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