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BioDur® 108 / S29108 nickel-free stainless steel (precision ground bar)

Technical Data Sheet

S29108 alloy is an essentially nickel-free austenitic stainless alloy. The alloy contains a high nitrogen content to maintain its austenitic structure. As a result, S29108 alloy has improved levels of tensile and fatigue strength, as compared to nickel-containing alloys such as 316L (ASTM F138), 22Cr-13Ni-5Mn (ASTM F1314), and 734 alloy (ASTM F1586). CarTech BioDur 108 alloy is produced by the Electro-Slag Remelting (ESR) process to assure its microstructural integrity and cleanness. The alloy is non-magnetic and essentially free of ferrite phase.

CarTech BioDur 108 alloy should be considered for use in applications requiring high levels of strength and corrosion resistance.
Typical uses include: implantable orthopedic applications such as bone plates, bone screws, spinal fixation components, hip and knee components, hypoallergenic jewelry, orthodonic appliances, and other medical components and instruments fabricated by forging and machining.

Chemical Composition Limits
Weight %	C	P	Si	Ni	Cu	Mn	S	Cr	Mo	N	Fe
S29108	0.08	0.03	0.75	0.1	0.25	21.0-24.0	0.01	19.0-23.0	0.50-1.50	0.9	49.38-57.38

Availability
S29108 (BioDur® 108) is availble in precision ground round bar. Size range: 1.00mm - 50.8mm diameter. For all stock and size availability contact Sales.

Specifications
ASTM F2229

For more information about Biodur108 for use in medical applications, visit our medical division at www.ammedicalalloys.com

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.