Manufacturing Industry
Carpenter develops new stainless alloy for implants, fracture fixation.(SMST SOCIETY)
Advanced Materials & Processes, November, 2004
A new specialty alloy candidate for fracture fixation devices and implanted orthopedic devices for hips, knees, and other joints has been developed by Carpenter Technology Corp., Reading, Pa., for consideration by medical and surgical users in Europe. BioDur 734 alloy is a nitrogen-strengthened, austenitic stainless steel that compares favorably with BioDur 316LS stainless steel.
The new grade has better corrosion resistance and higher annealed yield strength, and also is capable of a higher cold work strength. Nominal chemical composition of the new alloy, which meets ISO specification #5832-9, is chromium 20.5%, nickel 9.5%, manganese 4.0%, molybdenum 2.0%, and balance iron. The alloy is available from Carpenter in annealed, cold drawn wire, and bar. Standard...
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