Standard Specification for Wrought Nickel-Titanium Shape Memory Alloys for Medical Devices and Surgical Implants
Standard Specification for Wrought Nickel-Titanium Shape Memory Alloys for Medical Devices and Surgical Implants
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1 Scope*
1.1 This specification covers the chemical, physical, mechanical, and metallurgical requirements for wrought nickel-titanium bar, plate, coil, and hollow containing nominally 54.5 to 57.0 weight percent nickel and used for the manufacture of medical devices and surgical implants.
1.2 Requirements are for mill product measuring 5.50 to 94.0 mm [0.218 to 3.70 in.] in diameter or thickness. Mill product is not intended to have the final shape, final surface finish, or final properties of the medical device, implant, or their components.
1.3 Finished NiTi tube should be considered under Specification F2633.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
1.5 Any agreement between purchaser and supplier must meet the requirements of this specification.
Другие стандарты ASTM