EN 4575:2020
(Main)Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated and descaled - Sheets and plates - 3 mm < a ≤ 50 mm
Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated and descaled - Sheets and plates - 3 mm < a ≤ 50 mm
This document specifies the requirements relating to:
Heat resisting alloy X12CrNiCOMoW21-20
Solution treated and descaled
Sheets and plates
3 mm < a ≤ 50 mm
for aerospace applications.
ASD-STAN designation: FE-PA4901.
Luft- und Raumfahrt - Hochwarmfeste Legierung X12CrNiCoMoW21-20 - Lösungsgeglüht und entzundert - Bleche und Platten - 3 mm < a ≤ 50 mm
Dieses Dokument legt die Anforderungen an:
Hochwarmfeste Legierung X12CrNiCoMoW21-20
Lösungsgeglüht und entzundert
Bleche und Platten
3 mm < a ≤ 50 mm
für Anwendungen in der Luft- und Raumfahrt fest.
ASD-STAN Bezeichnung: FE-PA4901.
Série aérospatiale - Alliage résistant à chaud X12CrNiCoMoW21-20 - Mis en solution et décalaminé - Tôles et plaques - 3 mm < a ≤ 50 mm
Le présent document spécifie les exigences relatives à :
Alliage résistant à chaud X12CrNiCOMoW21-20
Mis en solution et décalaminé
Tôles et plaques
3 mm < a ≤ 50 mm
pour applications aérospatiales.
Désignation ASD-STAN : FE-PA4901.
Aeronavtika - Toplotno odporna zlitina X12CrNiCoMoW21-20 - Topilno žarjena in dekapirana - Pločevina in plošče - 3 mm < a ≤ 50 mm
General Information
Overview
EN 4575:2020 is a European standard developed by CEN that specifies the technical requirements for the aerospace-grade heat resisting alloy X12CrNiCoMoW21-20. This standard applies to solution-treated and descaled sheets and plates with thicknesses greater than 3 mm and up to 50 mm. Designated as FE-PA4901 by the Aerospace and Defence Industries Association of Europe (ASD-STAN), EN 4575:2020 ensures consistent quality and performance of this specialized alloy for critical aerospace applications.
The heat resistant alloy X12CrNiCoMoW21-20 features a high-performance composition optimized for strength and oxidation resistance at elevated temperatures. The standard governs chemical composition, mechanical properties, heat treatment methods, and testing protocols essential for aerospace manufacturers and suppliers. EN 4575:2020 aligns with other aerospace series material standards to provide cohesive guidance on metallic materials used in demanding environments.
Key Topics
Material Specification: Defines chemical composition limits for elements including carbon (0.08–0.16%), chromium (18.5–21%), nickel (19–21%), molybdenum (2.5–3.5%), cobalt (18.5–21%), tungsten, niobium, manganese, silicon, phosphorus, sulfur, and nitrogen.
State and Form: Applies to hot-rolled sheets and plates that are solution-treated and descaled, maintaining thickness between greater than 3 mm and 50 mm.
Mechanical Properties: Sets minimum proof stress (Rp0.2 ≥ 305 MPa), tensile strength range (690–880 MPa), elongation at break (≥ 40%), and hardness limits (HV ≤ 235).
Heat Treatment: Mandates solution treatment between 1100 °C and 1180 °C with a minimum holding time of 12 minutes followed by air cooling to achieve the desired metallurgical state.
Quality Assessments: Encompasses visual testing for external imperfections and ultrasonic testing for internal flaws to aerospace quality Class 4 for thicknesses between 3 mm and 20 mm.
Testing and Inspection: Refers to EN 4700-001 for the technical specifications regarding test sample preparation, dimensional and marking inspection, microstructure, and grain size requirements ensuring compliance with aerospace industry standards.
Applications
EN 4575:2020 is critical for aerospace engineering and manufacturing sectors where components are exposed to high temperatures and demanding service conditions. Typical applications include:
Aerospace structural components requiring exceptional heat resistance and mechanical strength.
High-performance engine parts such as turbine sections, combustor liners, and exhaust components.
Gas turbine and rocket engine assemblies where thermal stability and oxidation resistance are paramount.
Aerospace sheet and plate materials used for manufacturing parts subject to thermal cycling and mechanical stresses.
By complying with EN 4575:2020, manufacturers ensure the reliability and longevity of aerospace components made from X12CrNiCoMoW21-20 alloy, contributing to safer and more efficient aircraft operation.
Related Standards
EN 4700-001: Aerospace series - Steel and heat resisting alloys - Wrought products - Technical specification for plates, sheets, and strips. Complements EN 4575:2020 by detailing test methods and inspection criteria.
EN 4258: Aerospace series - Metallic materials - General organization of standardization. Provides the framework for the structure and use of material standards in the aerospace sector.
EN 4500-003: Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 003: Specific rules for heat resisting alloys. Defines the general drafting principles applicable to EN 4575:2020.
Implementing these harmonized standards facilitates international cooperation, quality assurance, and interoperability within the aerospace materials industry.
Keywords: EN 4575:2020, heat resisting alloy, X12CrNiCoMoW21-20, aerospace material standard, solution treated alloy, descaled sheets and plates, aerospace grade metal, heat resistant aerospace alloys, CEN aerospace standards, ASD-STAN FE-PA4901, aerospace component materials.
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2020
Aeronavtika - Toplotno odporna zlitina X12CrNiCoMoW21-20 - Topilno žarjena in
dekapirana - Pločevina in plošče - 3 mm < a ≤ 50 mm
Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated and
descaled - Sheets and plates - 3 mm < a ≤ 50 mm
Luft- und Raumfahrt - Hochwarmfeste Legierung X12CrNiCoMoW21-20 -
Lösungsgeglüht und entzundert - Bleche und Platten - 3 mm < a ≤ 50 mm
Série aérospatiale - Alliage résistant à chaud X12CrNiCoMoW21-20 - Mis en solution et
décalaminé - Tôles et plaques - 3 mm < a ≤ 50 mm
Ta slovenski standard je istoveten z: EN 4575:2020
ICS:
49.025.05 Železove zlitine na splošno Ferrous alloys in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 4575
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2020
EUROPÄISCHE NORM
ICS 49.025.05
English Version
Aerospace series - Heat resisting alloy X12CrNiCoMoW21-
20 - Solution treated and descaled - Sheets and plates - 3
mm < a ≤ 50 mm
Série aérospatiale - Alliage résistant à chaud Luft- und Raumfahrt - Hochwarmfeste Legierung
X12CrNiCoMoW21-20 - Mis en solution et décapé - X12CrNiCoMoW21-20 - Lösungsgeglüht und gebeizt -
Tôles et plaques - 3 mm < a ≤ 50 mm Bleche und Platten - 3 mm < a ≤ 50 mm
This European Standard was approved by CEN on 8 December 2019.
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, Turkey 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
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4575:2020 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 5
Bibliography . 8
European foreword
This document (EN 4575:2020) has been prepared by the Aerospace and Defence Industries Association
of Europe — Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
ASD, prior to its presentation to CEN.
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 August 2020, and conflicting national standards shall be
withdrawn
...
Frequently Asked Questions
EN 4575:2020 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated and descaled - Sheets and plates - 3 mm < a ≤ 50 mm". This standard covers: This document specifies the requirements relating to: Heat resisting alloy X12CrNiCOMoW21-20 Solution treated and descaled Sheets and plates 3 mm < a ≤ 50 mm for aerospace applications. ASD-STAN designation: FE-PA4901.
This document specifies the requirements relating to: Heat resisting alloy X12CrNiCOMoW21-20 Solution treated and descaled Sheets and plates 3 mm < a ≤ 50 mm for aerospace applications. ASD-STAN designation: FE-PA4901.
EN 4575:2020 is classified under the following ICS (International Classification for Standards) categories: 49.025.05 - Ferrous alloys in general. The ICS classification helps identify the subject area and facilitates finding related standards.
You can purchase EN 4575:2020 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.
La norme EN 4575:2020 propose des spécifications essentielles concernant l'alliage résistant à la chaleur X12CrNiCoMoW21-20, qui est crucial pour des applications aérospatiales. Son champ d'application est précisément défini, se concentrant sur les caractéristiques des plaques et des feuilles traitées en solution et décapées, dont l'épaisseur varie entre 3 mm et 50 mm. Cette norme répond à des besoins spécifiques dans l'industrie aéronautique, où les matériaux doivent offrir une résistance élevée aux températures extrêmes tout en maintenant des propriétés mécaniques optimales. Parmi les points forts de la norme EN 4575:2020, on note la rigueur des exigences techniques qui garantissent la performance des matériaux en conditions critiques. La spécification d'un alliage comme le X12CrNiCoMoW21-20 démontre une attention particulière portée aux innovations dans le domaine des matériaux, tant en termes de durabilité que de fiabilité. De plus, le processus de traitement en solution et le décapage sont clairement décrits, ce qui est essentiel pour assurer la qualité et la durabilité des composants dans les environnements aérospatiaux. La pertinence de cette norme réside également dans son adoption par les acteurs majeurs du secteur aéronautique, qui exigent des matériaux conformes à des standards de qualité rigoureux. Cela renforce la confiance dans l'utilisation de cet alliage pour des pièces critiques, tout en participant à l'optimisation des processus de fabrication. En somme, la norme EN 4575:2020 se positionne comme un document incontournable pour les fabricants et les ingénieurs travaillant avec des alliages résistant à la chaleur dans des applications aérospatiales.
Die Norm EN 4575:2020 befasst sich mit der Beschaffenheit der hitzebeständigen Legierung X12CrNiCoMoW21-20, die in der Luft- und Raumfahrtindustrie von großer Bedeutung ist. Die Festlegung der Anforderungen an diese Legierung, insbesondere in Bezug auf den Zustand nach Wärmebehandlung und Entzunderung sowie die Verfügbarkeit in Platten- und Blechformaten mit Dicken von mehr als 3 mm und bis zu 50 mm, stellt einen wichtigen Schritt zur Gewährleistung der Qualität und Sicherheit in der Luftfahrttechnik dar. Ein wesentlicher Vorteil dieser Norm liegt in ihrer klaren Definition und Regularien, die es Herstellern ermöglichen, konsistente Produkte herzustellen, die den spezifischen Anforderungen der Luftfahrtbranche entsprechen. Die Norm fördert die Einheitlichkeit und Recyclingfähigkeit der Materialien, was die Produktionsprozesse effizienter gestaltet und gleichzeitig dazu beiträgt, höchste Sicherheitsstandards zu erreichen. Die Relevanz der EN 4575:2020 zeigt sich besonders in der steigenden Nachfrage nach qualitativ hochwertigen Materialien für Hochtemperaturanwendungen im Luftfahrtsektor. Die hitzebeständige Legierung X12CrNiCoMoW21-20 hat sich aufgrund ihrer ausgezeichneten Eigenschaften als besonders geeignet für komplexe und leistungsstarke Flugzeugteile erwiesen. Zusammengefasst ist die Norm EN 4575:2020 ein entscheidendes Dokument, das die Anforderungen an die hitzebeständige Legierung X12CrNiCoMoW21-20 präzise erläutert. Die Festlegungen zur Wärmebehandlung, Entzunderung sowie die Vorgaben für Formate von 3 mm bis 50 mm gewährleisten, dass die in der Luftfahrt verwendeten Materialien nicht nur leistungsfähig, sondern auch zuverlässig sind.
標準EN 4575:2020は、航空宇宙産業において使用される熱抵抗合金X12CrNiCoMoW21-20に関する要求事項を明確に定義しています。この標準は、3mmから50mmの範囲のシートおよびプレートのソリューション処理および脱スケールに適用される特性を対象としています。 この文書の強みは、航空宇宙用途における具体的な製品要件を詳細に規定している点です。特に、熱抵抗合金という特殊な材料に特化しており、その用途が精密な航空機部品に関わるため、耐久性や性能が極めて重要です。この標準は、国際的な品質基準に準拠しており、製品の一貫性と信頼性を保証するための基盤を提供します。 また、EN 4575:2020は、航空宇宙産業の進化に伴い新たに求められる技術基準に対応しており、業界内での標準化を進める重要な文書です。この標準により、メーカーは製品の設計から製造、検査に至るまでのプロセスを効率化でき、時間とコストの削減が期待できます。 さらに、SIST EN 4575:2020は、AE-PA4901というASD-STANの指定が付されており、これにより同規格に準拠した製品が優れたパフォーマンスを発揮することに寄与しています。航空宇宙業界における競争力を高めるためには、このような厳格な標準の遵守が不可欠であると言えます。 総じて、EN 4575:2020は、航空宇宙分野での熱抵抗合金の適用に関する重要な指針を提供しており、その内容は業界のニーズを的確に反映しています。
The standard EN 4575:2020 provides an essential framework for the aerospace industry, detailing the specifications for the heat resisting alloy X12CrNiCoMoW21-20 in the form of sheets and plates ranging from 3 mm to 50 mm in thickness. It is particularly valuable in aerospace applications where high performance and reliability are crucial. One of the key strengths of EN 4575:2020 is its meticulous focus on the requirements for solution treating and descaling processes, which are vital for ensuring the metal’s integrity and performance under extreme conditions. The document not only outlines the material specifications but also emphasizes the importance of processing standards, which helps manufacturers achieve optimal results. Additionally, the standard's clear delineation of thickness parameters, specifically for sheets and plates with thicknesses between 3 mm and 50 mm, ensures that stakeholders are aware of the dimensional limits for compliant materials. This specificity assists in maintaining quality control and consistency across aerospace components, further enhancing safety and performance. The relevance of EN 4575:2020 cannot be overstated given the increasing demand for high-strength and durable materials in the aerospace sector. As the industry moves towards more advanced technologies, having a standard that addresses heat resistant alloys is indispensable. Furthermore, the ASD-STAN designation of FE-PA4901 aligns with international aerospace standards, reinforcing the credibility and applicability of this document. Overall, the standard EN 4575:2020 stands out for its comprehensive approach to defining the requirements for heat resisting alloys, ensuring that aerospace manufacturers can rely on consistent and high-quality materials in their production processes.
표준 EN 4575:2020은 항공우주 산업에서 사용되는 고온 저항 합금 X12CrNiCoMoW21-20에 대한 요구 사항을 명확히 규정하고 있습니다. 이 표준은 솔루션 처리 및 탈산 처리된 시트 및 판의 두께 범위를 3 mm에서 50 mm 사이로 정의하며, 항공 애플리케이션에서의 적합성을 보장합니다. EN 4575:2020의 주요 강점 중 하나는 고온 저항 합금에 대한 구체적인 사양을 제공함으로써 항공우주 분야에서의 안전성과 신뢰성을 크게 향상시키는 것입니다. 이 표준은 재료의 성능을 극대화하고, 고온 환경에서도 안정적인 기능을 유지할 수 있도록 설계되었습니다. 또한, 솔루션 처리 및 탈산 처리 과정에 대한 명확한 지침은 제조업체가 일관된 품질을 보장하는 데 중요한 역할을 합니다. 표준의 범위는 항공우주 산업의 요구 사항에 맞춰 설계되었으며, 이는 해당 산업 내에서의 경쟁력 있는 기술 개발에 기여합니다. EN 4575:2020은 해당 재료에 대한 신뢰할 수 있는 국제 표준으로 자리잡고 있으며, 이러한 관련성은 슈퍼 합금 및 고온 저항 합금이 점점 더 많이 사용되는 현대 항공 우주 기술의 발전을 반영합니다. 결과적으로, EN 4575:2020 표준은 항공우주 산업에서의 고온 저항 합금 사용에 대한 신뢰할 수 있는 가이드라인을 제공하여, 종합적인 안전 및 효율성을 극대화하는 데 기여합니다.
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