EN ISO 5832-1:2024
(Main)Implants for surgery - Metallic materials - Part 1: Wrought stainless steel (ISO 5832-1:2024, Corrected version 2025-06)
Implants for surgery - Metallic materials - Part 1: Wrought stainless steel (ISO 5832-1:2024, Corrected version 2025-06)
This document specifies the characteristics of, and corresponding test methods for, wrought stainless steel for use in the manufacture of surgical implants.
NOTE 1 The mechanical properties of a sample obtained from a finished product made of this alloy can differ from those specified in this document.
NOTE 2 The alloy described in this document corresponds to UNS S31673 in ASTM F138 and ASTM F139.
Chirurgische Implantate - Metallische Werkstoffe - Teil 1: Nichtrostender Stahl (ISO 5832-1:2024, korrigierte Fassung 2025-06)
Dieses Dokument legt die Eigenschaften und die zu deren Bestimmung anzuwendenden Prüfverfahren für nichtrostenden Stahl zur Verwendung für die Herstellung von chirurgischen Implantaten fest.
ANMERKUNG 1 Die mechanischen Eigenschaften einer Probe, die einem Fertigprodukt aus der hier beschriebenen Legierung entnommen wurde, können von den in diesem Dokument festgelegten abweichen.
ANMERKUNG 2 Die in diesem Dokument beschriebene Legierung stimmt mit UNS S31673 nach ASTM F 138 und ASTM F 139 überein.
Implants chirurgicaux - Matériaux métalliques - Partie 1: Acier inoxydable corroyé (ISO 5832-1:2024, Version corrigée 2025-06)
Le présent document spécifie les caractéristiques de l'acier inoxydable corroyé utilisé dans la fabrication des implants chirurgicaux, et les méthodes d'essai correspondantes.
NOTE 1 Les propriétés mécaniques d'un échantillon prélevé sur un produit fini fabriqué avec cet alliage peuvent différer de celles spécifiées dans le présent document.
NOTE 2 L'alliage décrit dans le présent document correspond à la nuance UNS S31673 dans l'ASTM F138 et l'ASTM F139.
Vsadki (implantati) za kirurgijo - Kovinski materiali - 1. del: Nerjavno jeklo (ISO 5832-1:2024)
Standard ISO 5832-1:2016 določa lastnosti in ustrezne preskusne metode za nerjavno jeklo, ki se uporablja pri izdelavi vsadkov (implantatov) za kirurgijo.
OPOMBA 1: Mehanske lastnosti vzorca končnega izdelka iz te zlitine se lahko razlikujejo od lastnosti, ki so določene v tem delu standarda ISO 5832.
OPOMBA 2: Zlitina, ki je opisana v tem delu standarda ISO 5832, ustreza jeklu UNS S31673 iz standarda ASTM F138/ASTM F139 in oznaki zlitine 1.4441 iz umaknjenega standarda DIN 17443.
General Information
- Status
- Published
- Publication Date
- 09-Apr-2024
- Technical Committee
- CEN/TC 285 - Non-active surgical implants
- Drafting Committee
- CEN/TC 285 - Non-active surgical implants
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 10-Apr-2024
- Completion Date
- 10-Apr-2024
Relations
- Effective Date
- 19-Jan-2023
Overview
EN ISO 5832-1:2024 (Corrected version 2025-06) specifies the chemical, microstructural and mechanical characteristics - and the corresponding test methods - for wrought stainless steel intended for the manufacture of surgical implants. The alloy corresponds to UNS S31673 in ASTM F138 / F139. The standard covers raw material requirements (not finished-device design), with referenced test methods for chemical analysis, microstructure and tensile testing.
Key topics and technical requirements
- Scope: Characteristics and test methods for wrought stainless steel used in surgical implants.
- Chemical composition: Limits given for main elements (examples from Table 1):
- Carbon ≤ 0.030%
- Silicon ≤ 0.75%
- Manganese ≤ 2.0%
- Phosphorus ≤ 0.025%
- Sulfur ≤ 0.010%
- Nitrogen ≤ 0.10%
- Chromium 17.0–19.0%
- Molybdenum 2.25–3.00%
- Nickel 13.0–15.0%
- Copper ≤ 0.50%
- Cobalt < 0.10%
- Iron: balance
- The molybdenum and chromium contents must satisfy the C-value requirement from Formula (1); the computed C shall be not less than 26.
- Microstructure:
- Austenitic grain size shall be no coarser than grain size No. 5.
- Steel shall be free from delta ferrite, chi or sigma phases.
- Non‑metallic inclusion limits specified (Table 2) for sulfides, aluminates, silicates and oxides (thin ≤ 1.5, thick ≤ 1). Vacuum or electroslag melting may be needed to meet cleanliness.
- Mechanical properties & testing:
- Tensile properties specified for bars, wires, sheet and strip (refer to Tables 3–5 in the standard).
- Sample preparation and tensile testing referenced to ISO 377, ISO 6892-1 and ISO 404.
- Original gauge length (Lo) requirements and retest rules are defined; note that mechanical properties of a finished product can differ from raw‑material values.
Applications and users
- Primary application: non‑active surgical implants (orthopaedic and dental implants, prosthetics components made from wrought stainless steel).
- Typical users: implant manufacturers, medical device material suppliers, metallurgical and quality laboratories, regulatory and conformity-assessment bodies, purchasing/specification engineers.
- Practical value: ensures consistent alloy chemistry, cleanliness, microstructure and mechanical performance to support biocompatibility, corrosion resistance and mechanical reliability of implant components.
Related standards and references
- ISO 5832 series (harmonized parts)
- ASTM F138 / F139 (UNS S31673 equivalence)
- Test method references: ISO 377, ISO 404, ISO 4967, ISO 643, ISO 6892-1, ISO 439, ISO 629, ISO 671, ISO 10714.
Keywords: EN ISO 5832-1:2024, ISO 5832-1, wrought stainless steel, surgical implants, UNS S31673, ASTM F138, implant material standards, microstructure, chemical composition, tensile test.
Frequently Asked Questions
EN ISO 5832-1:2024 is a standard published by the European Committee for Standardization (CEN). Its full title is "Implants for surgery - Metallic materials - Part 1: Wrought stainless steel (ISO 5832-1:2024, Corrected version 2025-06)". This standard covers: This document specifies the characteristics of, and corresponding test methods for, wrought stainless steel for use in the manufacture of surgical implants. NOTE 1 The mechanical properties of a sample obtained from a finished product made of this alloy can differ from those specified in this document. NOTE 2 The alloy described in this document corresponds to UNS S31673 in ASTM F138 and ASTM F139.
This document specifies the characteristics of, and corresponding test methods for, wrought stainless steel for use in the manufacture of surgical implants. NOTE 1 The mechanical properties of a sample obtained from a finished product made of this alloy can differ from those specified in this document. NOTE 2 The alloy described in this document corresponds to UNS S31673 in ASTM F138 and ASTM F139.
EN ISO 5832-1:2024 is classified under the following ICS (International Classification for Standards) categories: 11.040.40 - Implants for surgery, prosthetics and orthotics. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 5832-1:2024 has the following relationships with other standards: It is inter standard links to EN ISO 5832-1:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN ISO 5832-1:2024 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2024
Vsadki (implantati) za kirurgijo - Kovinski materiali - 1. del: Nerjavno jeklo (ISO
5832-1:2024)
Implants for surgery - Metallic materials - Part 1: Wrought stainless steel (ISO 5832-
1:2024)
Chirurgische Implantate - Metallische Werkstoffe - Teil 1: Nichtrostender Stahl (ISO 5832
-1:2024)
Implants chirurgicaux - Matériaux métalliques - Partie 1: Acier inoxydable corroyé (ISO
5832-1:2024)
Ta slovenski standard je istoveten z: EN ISO 5832-1:2024
ICS:
11.040.40 Implantanti za kirurgijo, Implants for surgery,
protetiko in ortetiko prosthetics and orthotics
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 5832-1
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2024
EUROPÄISCHE NORM
ICS 11.040.40 Supersedes EN ISO 5832-1:2019
English Version
Implants for surgery - Metallic materials - Part 1: Wrought
stainless steel (ISO 5832-1:2024)
Implants chirurgicaux - Matériaux métalliques - Partie Chirurgische Implantate - Metallische Werkstoffe - Teil
1: Acier inoxydable corroyé (ISO 5832-1:2024) 1: Nichtrostender Stahl (ISO 5832-1:2024)
This European Standard was approved by CEN on 23 June 2023.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 5832-1:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 5832-1:2024) has been prepared by Technical Committee ISO/TC 150
"Implants for surgery" in collaboration with Technical Committee CEN/TC 285 “Non-active surgical
implants” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2024, and conflicting national standards shall
be withdrawn at the latest by October 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 5832-1:2019.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 5832-1:2024 has been approved by CEN as EN ISO 5832-1:2024 without any
modification.
International
Standard
ISO 5832-1
Sixth edition
Implants for surgery — Metallic
2024-04
materials —
Part 1:
Wrought stainless steel
Implants chirurgicaux — Matériaux métalliques —
Partie 1: Acier inoxydable corroyé
Reference number
ISO 5832-1:2024(en) © ISO 2024
ISO 5832-1:2024(en)
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 5832-1:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Chemical composition . 2
4.1 Test samples .2
4.2 Cast analysis .2
5 Microstructure in the fully annealed condition . 2
5.1 Grain size .2
5.2 Microstructure .3
5.3 Inclusion content .3
6 Mechanical properties . 3
6.1 Test pieces . .3
6.2 Tensile test .3
6.3 Gauge length .3
7 Test methods . 3
Bibliography . 6
iii
ISO 5832-1:2024(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve th
...
La norme EN ISO 5832-1:2024 constitue une référence essentielle dans le domaine des implants chirurgicaux, spécifiquement concernant les matériaux métalliques. Elle est principalement axée sur les caractéristiques des aciers inoxydables laminés, qui sont cruciales pour la fabrication de dispositifs médicaux durables et fiables. Le champ d'application de cette norme est clairement défini, précisant les attributs nécessaires et les méthodes d'essai associées pour l'acier inoxydable, garantissant ainsi que les implants respectent des critères de qualité élevés. Ce niveau de spécification est essentiel pour les fabricants, car il leur permet de produire des implants conformes aux normes de sécurité et de performance exigées par l'industrie médicale. L'un des points forts de cette norme est son attention portée aux propriétés mécaniques, bien que la norme souligne que ces propriétés peuvent varier selon l'échantillon obtenu d'un produit fini. Cette information met en lumière l'importance d'un contrôle rigoureux des processus de fabrication et de la surveillance continue des matériaux utilisés. La pertinence de la norme EN ISO 5832-1:2024 s'étend au-delà des simples exigences de fabrication, en intégrant des critères de compatibilité avec d'autres normes, notamment en ce qui concerne l'alliage compatible UNS S31673, tel que défini dans les standards ASTM F138 et ASTM F139. Cela démontre une approche intégrée dans le développement de matériaux pour implants, facilitant ainsi l'adhésion aux exigences réglementaires tout en soutenant l'innovation dans le domaine biologique. En somme, la norme EN ISO 5832-1:2024 est un document fondamental qui offre une base solide pour la fabrication d'implants chirurgicaux en acier inoxydable, favorisant à la fois la sécurité des patients et l'efficacité des dispositifs médicaux.
本標準「EN ISO 5832-1:2024」は、外科手術用インプラントの製造に使用される鍛造ステンレス鋼の特性および関連する試験方法を定めたもので、その重要性は非常に高いです。この文書は、手術用インプラントの品質確保に向けた明確な基準を提供し、医療機器業界における安全性と有効性の向上に寄与しています。 本標準の強みは、具体的に鍛造ステンレス鋼が持つべき特性を明文化している点です。これにより、製造業者は実用的かつ具体的なガイドラインに基づいてインプラントを製造できるため、製品の一貫性と信頼性が向上します。さらに、機械的特性の試験方法も詳細に記述されており、これによって製品が要求される性能基準を満たしているかどうかの検証が容易になります。 加えて、ノートで言及されているように、この合金がASTM F138およびF139におけるUNS S31673に対応していることは、他の国際基準との整合性を確保し、国際市場へのアクセスの重要な要素です。この相互参照により、異なる地域においても品質基準が統一され、製品の受け入れが容易になるでしょう。 全体として、「EN ISO 5832-1:2024」は、医療分野における鍛造ステンレス鋼の使用を規定する重要な基準であり、外科手術用インプラントの安全性と効果的な使用を促進する役割を果たしています。この標準の遵守は、医療機器の製造過程における信頼性を確保するために不可欠であり、今後の進展に対する基盤を提供します。
Die Norm EN ISO 5832-1:2024 behandelt die Eigenschaften und Prüfmethoden für gewalzte Edelstahllegierungen, die zur Herstellung von chirurgischen Implantaten verwendet werden. Sie ist ein wichtiger Standard für die Medizinprodukteindustrie, da sie sicherstellt, dass Implantate aus diesem Material sowohl mechanisch als auch biologisch geeignet sind. Ein wesentlicher Vorteil dieser Norm ist die detaillierte Spezifikation der mechanischen Eigenschaften, die für die Verträglichkeit und Funktion von chirurgischen Implantaten entscheidend sind. Die Norm bietet eine klare Grundlage für die Qualitätskontrolle und die Überprüfung der Materialien, die in der Chirurgie eingesetzt werden. Ein weiteres starkes Merkmal der EN ISO 5832-1:2024 ist, dass sie entsprechend dem UNS S31673 in den ASTM-Standards F138 und F139 referenziert. Dies gewährleistet, dass die Norm international anerkannt ist und eine weitreichende Akzeptanz in der medizinischen Gemeinschaft findet. Die Tests, die in diesem Dokument spezifiziert sind, erlauben es Herstellern und Prüfstellen, die Leistungsfähigkeit und Sicherheit von Implantaten, die aus dieser Edelstahlsorte gefertigt wurden, umfassend zu evaluieren. Die Relevanz dieses Standards erstreckt sich über die regulatorischen Anforderungen hinaus, da er auch als Leitfaden für die Forschung und Entwicklung in der Medizintechnik dient. Durch die Festlegung von Eigenschaften und Prüfmethoden für gewalzten Edelstahl legt die Norm den Grundstein für Innovationen im Bereich der chirurgischen Implantate und trägt damit zur Verbesserung der Patientensicherheit bei. Insgesamt bietet die EN ISO 5832-1:2024 eine solide Grundlage für die Herstellung und Prüfung von Implantaten und stärkt damit das Vertrauen in die Qualität medizinischer Produkte, die auf gewaltem Edelstahl basieren.
EN ISO 5832-1:2024 표준은 외과용 임플란트 제조에 사용되는 단조 스테인리스 강의 특성과 해당 시험 방법을 규정하고 있습니다. 이 표준은 외과 수술에서의 임플란트 재료로서 스테인리스 강의 중요성을 강조하며, 안전성과 신뢰성을 보장하는 데 필요한 기본적인 지침을 제공합니다. 이 표준의 강점은 명확하고 구체적인 테스트 방법을 제시하여, 제조업체가 품질과 일관성을 유지할 수 있도록 돕는 점입니다. 또한, EN ISO 5832-1:2024에서 다루는 합금은 ASTM F138 및 ASTM F139의 UNS S31673에 해당하며, 이는 국제적으로 널리 사용되는 기준으로, 글로벌 시장에서의 호환성을 인정받고 있습니다. 이러한 표준은 외과용 임플란트의 개발 및 제조 과정에서 반드시 준수해야 할 요건을 제공하며, 의료 기기 산업의 발전에 크게 기여합니다. 특히, 외과 기기 분야에서 스테인리스 강의 사용이 증가하면서, 이 표준은 재료의 선택과 테스트 절차에 대한 명확한 방향을 제시함으로써, 품질 향상과 환자의 안전을 보장하는 데 중요한 역할을 합니다. 전반적으로, EN ISO 5832-1:2024는 외과용 임플란트 제조에 있어 필수적인 표준으로 자리 잡고 있으며, 해당 분야의 전문가와 제조업체는 이 문서에서 제공하는 지침을 통해 더욱 신뢰할 수 있는 제품 개발이 가능할 것입니다.
The EN ISO 5832-1:2024 standard provides a comprehensive outline for the characteristics and testing methods pertinent to wrought stainless steel specifically designated for surgical implants. This standard is critical, as it directly influences the quality and reliability of materials used in the surgical field, ensuring that implants can meet the rigorous demands of both safety and performance. One of the significant strengths of this standard lies in its detailed specification of mechanical properties, which sets a benchmark for manufacturers in the production of surgical implants. The relevance of mechanical properties is paramount since they dictate the durability, strength, and functionality of the implants once they are integrated into the human body. By adhering to this standard, manufacturers can ensure that their implants possess the necessary resilience and compatibility, thereby enhancing patient outcomes. Another important aspect highlighted in the standard is the emphasis on the testing methods for wrought stainless steel, which are essential for verifying that the materials meet the established specifications. This aspect not only reinforces the integrity of the manufacturing process but also assures healthcare professionals of the reliability of the implants produced from these materials. The standard's reference to the UNS S31673 alloy in connection with ASTM F138 and F139 further solidifies its relevance within the broader context of surgical implant materials. This cross-reference aids manufacturers in aligning their products with existing quality frameworks and expectations in the medical field, promoting consistency and standardization across various applications. Despite the rigorous specifications outlined, it is important to acknowledge the notes indicating that the mechanical properties of a sample from a finished product may differ from those specified. This nuance reminds manufacturers and healthcare providers that while the standard establishes a foundation for quality, individual product performance can vary based on manufacturing processes and treatments. Overall, the EN ISO 5832-1:2024 standard plays a seminal role in guiding the production and evaluation of wrought stainless steel materials for surgical implants, emphasizing the necessity for stringent material characteristics and reliable testing methods to secure improved health outcomes for patients.










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