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Memry
Corporation manufactures 8 different grades of commercial
nitinol alloys. Melted according to our own proprietary
and stringent specifications, these alloys also comply
with the ASTM Standard F2063 ‘Standard Specification
for Wrought Nickel-Titanium Shape Memory Alloys for
Medical Devices and Surgical Implants’.
At our ISO 9001-2000 registered processing facilities,
the alloys are converted to Semi-Finished
Products such as wire, tube and strip.
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BINARY ALLOYS
|
Grade |
Nominal Content (*) |
Typical Applications |
|
BA |
56.0 wt% Ni Balance Ti |
Superelastic, high loading and unloading plateau stresses
at low ambient temperatures. Ex.: cell phone antennae.
|
|
BB |
55.8 wt% Ni Balance Ti |
Superelastic; covers vast majority of applications and
ambient and body temperatures. Ex: guidewires, needles,
baskets, stents, etc. |
| SF |
55.8
wt% Ni Balance Ti |
A
slight alloy variant from BB designed originally to maximize
the flex life of antenna wire |
| BC
|
55.75
wt% Ni Balance Ti |
Superelastic;
moderate plateau stresses; tightly controlled Af temperature
|
| BD
|
55.7
wt% Ni Balance Ti |
Body
temperature response behavior; martensitic close to ambient
temperature and superelastic at body temperature |
| B |
55.0
wt% Ni Balance Ti |
Thermal
shape memory with recovery above 45C |
| BH |
54.5
wt% Ni Balance Ti |
Thermal
shape memory with recovery above 70C |
(*) C content
less than 500ppm, O less than 500ppm. Total
trace elements less than 0.4 wt%
TERNARY
ALLOY
|
Grade |
Nominal Content |
Typical Applications |
|
X |
56.0 wt% Ni
14.0 wt% Nb
Balance Ti |
Wide hysteresis alloy designed for customized constrained
thermal recovery applications such as fastening, sealing,
etc. |
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