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China Machinery Metal Jiangsu Co., Ltd.
China Machinery Metal Jiangsu Co., Ltd.
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High Plasticity Special Alloys Nitinol Sheet / Strip

High Plasticity Special Alloys Nitinol Sheet / Strip

Brand Name : CMMC
Model Number : As per specification and drawing
Certification : ISO 9001
Place of Origin : CMMC in CHINA
MOQ : Negotiable
Price : Negotiable
Payment Terms : D/P, L/C, T/T
Supply Ability : 30 metric tons per month
Delivery Time : 60-90 days
Packaging Details : Water prevent, seaworthy transport, non-fumigation wooden box
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Shape memory alloy, super elastic Nitinol sheet, strip and foil for biomedicine, aerospace etc


PRODUCT
Shape memory alloy, super elastic Nitinol sheet, strip and foil for biomedicine, aerospace etc.

OVERVIEW
Nitinol are the most comprehensively studied and best shape memory alloys. They have the characteristics of high strength, high plasticity, good corrosion resistance, good stability and excellent biocompatibility. The superiority of its application in medicine is that other shape memory alloys can not be replaced.
Nitinol combines two closely related unique characteristics: shape memory and superelasticity. Shape memory gives Nitinol the ability to be deformed at one temperature, and then return to its original shape when being heated to its transformation temperature. This effect is caused by the material changing from its low temperature monoclinic martensitic structure to the high temperature cubic austenitic structure.

SPECIAL PROPERTIES OF NITINOL
1 Shape memory
2 Super elastic
3 Sensitivity to changes in oral temperature
4 Good corrosion resistance
5 Toxin immunity
6 Gentle corrective force
7 Good shock absorption characteristics

APPLICATION OF NITINOL
Nitinol is widely used in aerospace machinery, mechano-electronic, biomedicine and daily life because of its many excellent properties.
1. For biomecicine, nitinol archwire is used for the early alignment of patients' teeth. Nitinol push spring and tension spring are springs used for orthodontic teeth, scoliosis orthopedic device. In addition, nitinol was used in surgery to make various bone connector, blood vessel clip, coagulation filters, blood vessel dilation components, all kinds of intracavitary stent, embolization device, heart patch, thrombus filters, interventional guide wires and surgical sutures, etc.
2. For aerospace industry, SMA have been used in aerospace and space applications such as low-temperature mating connectors for hydraulic systems in military aircraft, and it is being developed in Europe and the United States for the intelligent horizontal rotor of helicopters. It is also being used for antenna of lunar probes, and in the satellite, a shape memory release device is used to open a container used to protect sensitive germanium detectors from contamination during assembly and launch.
3. For mechno-electronic, SMA is used for low temperature mating connectors, safety connector for wire braided layer of conductor, springs that open and close the shutter to protect the fog lamp from flying debris, and driving cylinder used in mechanical manufacturing to replace a manual or hydraulic clamp, etc.
4. For daily life, SMA was used for anti-scald valve, glasses frame, mobile phone antenna and fire check valve.

CHEMICAL COMPOSITION
Table 1

FeNiCrCuNb
≤0.0554.5-57.0≤0.01≤0.01≤0.025
CTiCoN+OH
≤0.05Balanced≤0.05≤0.050≤0.005

The chemical composition is as per ASTM F2063-12 or GB 24627-2009(wt%)

PHYSICAL PROPERTIES
Table 2

Melting Point1310℃
Density6.5 g/cm3
Specific el. resistivity82 μΩcm
Coefficient of thermal expansion (CTE)11×10-6 °K
Modulus of elasticity41-75 GPa


NITINOL SHEET, STRIP & FOIL
Nitinol sheet, strip and foil are the newest and most exciting product forms for this unique shape memory alloy. Nitinol sheet is ideal for laser cutting, etching, stamping and EDM machining. Efficient processing and surface finishing establishes a smooth, light oxide surface.
Many new medical innovations are now possible with the use of this very thin and versatile Nitinol form. Sheet is a two-dimensional structure, unlike wire and tube, giving us design options like stamping, punching, and deep drawing.
Photochemically - etched parts
Formed sheet shapes
EDM or laser cut shapes

SIZES & SURFACES
Table 3

FormAvailable sizesSurfaces
Sheet

Thickness from 0.051mm to 2.50mm
Width up to 102.0mm
Lengths up to 500.0mm

Natural Oxide
Pickled/Etched
Flat ground 1.5mm and larger
Customer Specific Requirements

StripThickness from 0.051mm to 2.03mm
Width 0.305mm to 10.0mm

Natural Oxide
Pickled/Etched
Customer Specific Requirements

FoilThickness from 0.013mm to 0.050mm
Width up to 76.2mm

Natural Oxide
Pickled/Etched
Customer Specific Requirements


Typical Alloys and nominal active Af
As(f.a.) -25C ± 10℃, active Af 0℃
As(f.a.) -15C ± 10℃ (most common), Active Af +5℃
As(f.a.) -15C ± 10℃ Redox, Active Af +5℃
As(f.a.) +20C ± 15℃, Active Af +28℃
As(f.a.) +65C ± 20℃, Active Af +70℃
As(f.a.) +95C ± 5℃, Active Af > +80℃

DELIVERY CONDITION
Cold worked
Straight annealed
Flat annealed
Shape set annealed

ADVANTAGE
1. First of all, all incoming Nitinol raw materials are subjected to third party inspection to ensure they meet proprietary specifications for chemistry, transformation temperature, material homogeneity, and microstructure. To promote an exceptionally smooth and uniform surface finish quality, all wire and tube products utilize a high precision single and or multi-crystalline diamond drawing die technology. After the correct super-elastic heat treatment, medical grade nickel-titanium materials can undergo up to 8% strain without permanent bending at human temperature.
2. All our Nitinol material and products are made according to customers specifications.
3. Material can be provided as super elastic or higher transformation temperature shape memory from 0℃ to 100℃.

STANDARD SPECIFICATION
Table 4

ASTM F2063-12Standard chemical composition of a wrought nitinol shape memory alloy used in medical devices and surgical implants
GB 24627Standard chemical composition of a wrought nitinol shape memory alloy used in medical devices and surgical implants
ASTM F2633-13Standard specification for seamless nitinol shape memory alloy fitting for medical devices and surgical implants
ASTM F2005-05Standard terminology for nitinol shape memory alloys
ASTM F2004-05A standard test method for the transition temperature of Nitinol alloy by thermal analysis
ASTM F2516-14Tensile test method for nitinol hyperelastic materials
ASTM F2082-15The standard test method for phase transition temperature of nitinol shape memory alloy by bending and free restoration.



BUSINESS TERM

Minimum Order QuantityNegotiable
PriceNegotiable
Packaging DetailsWater prevent, seaworthy transport, non-fumigation wooden box
MarkAs per order
Delivery Time60-90 days
Payment TermsT/T, L/C at sight, D/P
Supply Ability30 metric tons per month


NOTE:
More information available from our official web site http://www.cmmetal.cn


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