This specification covers the chemical composition, mechanical, and metallurgical requirements for wrought nitrogen strengthened 21chromium-10nickel-3manganese-2.5molybdenum stainless steel alloy bars for use in surgical implants. The alloy bars shall be furnished in the annealed, medium hard, or hard condition, and shall be finished cold-drawn, pickled, ground, ground and polished, or as specified by the purchaser.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers the chemical, mechanical, and metallurgical requirements for wrought nitrogen strengthened 21chromium—10nickel—3manganese—2.5molybdenum stainless steel alloy bar for surgical implants.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A484/A484M Specification for General Requirements for Stainless Steel Bars, Billets, and Forgings
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
E8 Test Methods for Tension Testing of Metallic Materials
E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E45 Test Methods for Determining the Inclusion Content of Steel
E112 Test Methods for Determining Average Grain Size
F138 Specification for Wrought 18Chromium-14Nickel-2.5Molybdenum Stainless Steel Bar and Wire for Surgical Implants (UNS S31673)
F746 Test Method for Pitting or Crevice Corrosion of Metallic Surgical Implant Materials
ASQC1 Specification of General Requirements for a Quality Program
manganese; metals (for surgical implants); nitrogen strengthened; stainless steel; surgical applications; Chromium surgical implant applications--specifications; Manganese surgical materials/applications--specifications; Metallic surgical implant materials--specifications; Molybdenum (surgical implants)--specifications; Nickel surgical implant applications--specifications; Nitrogen strengthened alloys--specifications; Orthopaedic medical devices--specifications (Cr alloy); Stainless steel surgical applications--specifications; Surgical implants--specifications; Wrought surgical implant materials--specifications;
ICS Number Code 11.040.40 (Implants for surgery, prothetics and orthotics)
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