ISO 5832-5:2022 PDF

Name: ISO 5832-5:2022 — Implants for surgery — Metallic materials — Part 5: Wrought cobalt-chromium-tungsten-nickel
SKU: ISO 5832-5:2022
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Implants for surgery — Metallic materials — Part 5: Wrought cobalt-chromium-tungsten-nickel

Название (английский):

ISO 5832-5:2022

Implants for surgery — Metallic materials — Part 5: Wrought cobalt-chromium-tungsten-nickel

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 3
Дата публикации:: 18 марта 2022 г.
Издание:: ISO IS 5832 edition 4 version 1
ICS:: 11.040.40

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Описание (английский):

This document specifies the characteristics of, and corresponding test methods for, wrought cobalt-chromium-tungsten-nickel alloy for use in the manufacture of surgical implants. NOTE The tensile properties of a sample obtained from a finished product made of this alloy do not necessarily comply with those specified in this document.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 5832-5:2022 - "Implants for surgery - Metallic materials - Part 5: Wrought cobalt-chromium-tungsten-nickel" specifies the required characteristics and corresponding test methods for wrought Co–Cr–W–Ni alloy intended for the manufacture of surgical implants. The standard covers chemical composition, microstructure, inclusion limits and tensile properties, and references specific test methods for verification. Note: tensile results taken from finished devices may not necessarily match the raw‑material limits in this document.

Key topics and requirements

Scope: Defines requirements for wrought cobalt‑chromium‑tungsten‑nickel alloy used in surgical implants.

Chemical composition (heat analysis): chromium 19.00–21.00%, tungsten 14.00–16.00%, nickel 9.00–11.00%, iron ≤3.00%, carbon 0.05–0.15%, manganese 1.00–2.00%, plus limits for Si, S, P and cobalt as balance.

Microstructure:

Grain size (annealed condition) measured per ISO 643: index 5 or finer.
Inclusion content assessed per ISO 4967:2013 (Method A) with thin inclusion limits of 1.5 for sulfides, aluminates, silicates and globular oxides; thick inclusions allowed up to 1.0.

Tensile properties (annealed condition): tensile strength Rm ≥ 860 MPa, yield/proof strength Rp0.2 ≥ 310 MPa, minimum elongation A ≥ 30%. Testing per ISO 6892‑1; retest rules are specified for failed specimens.

Test methods and conformity: Tables in the standard map each requirement to recognized analytical or ISO test methods and describe sampling and retest procedures.

Applications and who uses this standard

Medical device and implant manufacturers specifying raw materials for surgical implants.

Material suppliers and foundries certifying wrought Co–Cr–W–Ni alloy heat analysis and microstructure.

Quality assurance, regulatory and testing laboratories performing acceptance testing and certification.

Design and R&D teams that need baseline material properties when selecting alloys for biocompatible implants.

Practical applications include specification and acceptance of metallic materials for load-bearing surgical components, where controlled composition, microstructure and mechanical properties are critical for performance and regulatory compliance.

Related standards

ISO 643 - Micrographic determination of apparent grain size

ISO 4967:2013 - Determination of non‑metallic inclusions (micrographic)

ISO 6892-1 - Metallic materials - Tensile testing at room temperature

Other parts of the ISO 5832 series for metallic implant materials

Keywords: ISO 5832-5, wrought cobalt-chromium-tungsten-nickel, implants for surgery, surgical implants, metallic materials, tensile properties, chemical composition, ISO 643, ISO 4967, ISO 6892-1.

ISO 5832-5:2022 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and who uses this standard

Related standards

Технические детали

ISO 4967:2013

Steel — Determination of content of non-metallic inclusions — Micrographic method using standard diagrams

ISO 6435:2024

Stainless steel bars for the reinforcement of concrete

SIST EN ISO 6892-1:2020

Metallic materials - Tensile testing - Part 1: Method of test at room temperature (ISO 6892-1:2019)

ISO 5832-5:1993

Implants for surgery — Metallic materials — Part 5: Wrought cobalt-chromium-tungsten-nickel alloy

ISO 5832-11:2024

Implants for surgery — Metallic materials — Part 11: Wrought titanium 6-aluminium 7-niobium alloy

ISO 4967:1998

Steel — Determination of content of nonmetallic inclusions — Micrographic method using standard diagrams