Standard Historical Last Updated: Nov 28, 2014 Track Document
ASTM F746-04(2009)e1

Standard Test Method for Pitting or Crevice Corrosion of Metallic Surgical Implant Materials

Standard Test Method for Pitting or Crevice Corrosion of Metallic Surgical Implant Materials F0746-04R09E01 ASTM|F0746-04R09E01|en-US Standard Test Method for Pitting or Crevice Corrosion of Metallic Surgical Implant Materials Standard new BOS Vol. 13.01 Committee F04
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Significance and Use

This test method is designed solely for determining comparative laboratory indices of performance. The results may be used for ranking alloys in order of increasing resistance to pitting and crevice corrosion under the specific conditions of this method. It should be noted that the method is intentionally designed to reach conditions that are sufficiently severe to cause breakdown of at least one alloy (Type 316 L stainless steel) currently considered acceptable for surgical implant use, and that those alloys which suffer pitting or crevice corrosion during the more severe portions of the test do not necessarily suffer localized corrosion when placed within the human body as a surgical implant.

Scope

1.1 This test method covers the determination of resistance to either pitting or crevice corrosion of metals and alloys from which surgical implants will be produced. It is a modified version of an established test and is used as a screening test to rank surgical implant alloys in order of their resistance to localized corrosion.

1.2 This test method applies only to passive metals and alloys. Nonpassive alloys (other than noble alloys) are susceptible to general corrosion and are not normally suitable for implant use.

1.3 This test method is intended for use as a laboratory screening test for metals and alloys which undergo pitting or crevice corrosion, or both.

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 may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 13.01
Developed by Subcommittee: F04.15
Pages: 6
DOI: 10.1520/F0746-04R09E01
ICS Code: 11.040.40