ASTM F2229-21

Standard Specification for Wrought, Nitrogen Strengthened 23Manganese-21Chromium-1Molybdenum Low-Nickel Stainless Steel Alloy Bar and Wire for Surgical Implants (UNS S29108)

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STANDARD published on 1.2.2021

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The information about the standard:

Designation standards: ASTM F2229-21
Publication date standards: 1.2.2021
SKU: NS-1017165
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Implants for surgery, prosthetics and orthotics

Annotation of standard text ASTM F2229-21 :

This specification covers the chemical, mechanical, and metallurgical requirements for wrought, nitrogen strengthened manganese-chromium-molybdenum low-nickel stainless steel alloy bars and wires used for surgical implants. All bars and wires should be furnished as specified in either annealed or cold-worked condition and in cold-drawn, pickled, ground and polished, ground, or any other specified finish. The products should conform to the required chemical composition, microcleanliness, purity, surface finish, tensile properties, and hardness and should pass the intergranular corrosion susceptibility test. Both wires and bars must have a homogenous microstructure and with grain sizes within the specified range.

Keywords:
low-nickel, manganese, metals (for surgical implants), nitrogen strengthened, stainless steel, surgical applications,, ICS Number Code 11.040.40 (Implants for surgery, prothetics and orthotics)

Additional information

1. Scope

1.1?This specification covers the chemical, mechanical, and metallurgical requirements for wrought nitrogen strengthened 23manganese-21chromium-1molybdenum low-nickel stainless steel alloy bar and wire for surgical implants.

1.2?UnitsThe 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.

1.3?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

A555/A555M-23	Standard Specification for General Requirements for Stainless Steel Wire and Wire Rods
F1586-21	Standard Specification for Wrought Nitrogen Strengthened 21Chromium—10Nickel—3Manganese—2.5Molybdenum Stainless Steel Alloy Bar for Surgical Implants (UNS S31675)
F1314-18	Standard Specification for Wrought Nitrogen Strengthened 22 Chromium-13 Nickel-5 Manganese-2.5 Molybdenum Stainless Steel Alloy Bar and Wire for Surgical Implants (UNS S20910)
F748-16	Standard Practice for Selecting Generic Biological Test Methods for Materials and Devices
A484/A484M-24	Standard Specification for General Requirements for Stainless Steel Bars, Billets, Shapes, and Forgings
A262-15(2021)	Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
F138-19	Standard Specification for Wrought 18Chromium-14Nickel-2.5Molybdenum Stainless Steel Bar and Wire for Surgical Implants (UNS S31673)
E407-23	Standard Practice for Microetching Metals and Alloys
E354-21e1	Standard Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys (Includes all amendments and changes 2/23/2022).
E112-13(2021)	Standard Test Methods for Determining Average Grain Size
E45-18a(2023)	Standard Test Methods for Determining the Inclusion Content of Steel (Includes all amendments and changes 11/6/2023).
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E18-22	Standard Test Methods for Rockwell Hardness of Metallic Materials
E10-23	Standard Test Method for Brinell Hardness of Metallic Materials
F746-04(2021)	Standard Test Method for Pitting or Crevice Corrosion of Metallic Surgical Implant Materials

E8/E8M-24	Standard Test Methods for Tension Testing of Metallic Materials
IEEE/ASTM SI 10	American National Standard for Metric Practice
A751-21	Standard Test Methods and Practices for Chemical Analysis of Steel Products

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