SIST EN 4216:2026 PDF

Name: SIST EN 4216:2026 — Aerospace series - Steel GX5CrNiCuNb16-4 (1.4525) - Homogenized, solution treated and precipitation hardened - Investment casting - De ≤ 50 mm - Rm ≥ 900 MPa
SKU: SIST EN 4216:2026
Price: 51.3 EUR
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Aerospace series - Steel GX5CrNiCuNb16-4 (1.4525) - Homogenized, solution treated and precipitation hardened - Investment casting - De ≤ 50 mm - Rm ≥ 900 MPa

Название (английский):

SIST EN 4216:2026

Aerospace series - Steel GX5CrNiCuNb16-4 (1.4525) - Homogenized, solution treated and precipitation hardened - Investment casting - De ≤ 50 mm - Rm ≥ 900 MPa

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 9
Дата публикации:: 8 мая 2026 г.
ICS:: 49.025.10
Технический комитет:: I13 - Imaginarni 13

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Описание (английский):

This document specifies the requirements relating to: Steel GX5CrNiCuNb16-4 (1.4525) Homogenized Solution treated and precipitation hardened Investment casting De ≤ 50 mm Rm ≥ 900 MPa for aerospace applications. ASD-STAN designation FE-CM3801 Material number 1.4525

Abstract

Похожие стандарты

Другие стандарты SIST

Overview

SIST EN 4216:2026 defines the requirements for the aerospace-grade steel alloy GX5CrNiCuNb16-4 (1.4525), specifically in its homogenized, solution treated, and precipitation hardened condition. The standard applies to investment castings with external dimensions up to 50 mm and a minimum tensile strength (Rm) of 900 MPa. This document is part of the European standardization efforts for high-performance metallic materials used in aerospace applications, ensuring reliable, consistent properties in safety-critical components.

Key Topics

Material Specification: GX5CrNiCuNb16-4 (1.4525) is a stainless steel alloy known for its strength and corrosion resistance. The standard details both chemical composition and mechanical requirements for the material.

Heat Treatment: The specification covers homogenization, solution treatment, and precipitation hardening processes. Strict controls on these treatments are crucial for achieving the specified mechanical properties.

Investment Casting: The standard applies to cast parts produced by investment casting (precision casting), a manufacturing method valued in aerospace for producing complex shapes with high dimensional accuracy.

Dimensional and Mechanical Limits:

Applicable for external diameters (De) up to 50 mm.
Minimum required tensile strength (Rm) of 900 MPa, with other properties such as proof stress, elongation, and hardness also defined.

Testing and Inspection: Comprehensive requirements exist for mechanical testing, microstructure (including δ-ferrite content), and non-destructive examination techniques like ultrasonic testing and visual inspection.

Applications

SIST EN 4216:2026 is crucial for manufacturers, suppliers, and engineers in the aerospace field who require high strength, corrosion-resistant components produced via investment casting. Typical applications include:

Aerospace Structural Parts: Components subjected to high loads where strength and reliability are essential, such as brackets, mounting components, and control fittings.

Engine Parts: Suitable for investment cast turbine parts, compressor components, and other engine elements demanding consistent quality and mechanical performance.

Precision Aerospace Components: Complex-shaped cast parts that benefit from the precision and repeatability of the investment casting process.

Safety-Critical Assemblies: Utilized where meeting strict mechanical criteria is imperative for airworthiness certification.

Related Standards

Several related standards provide complementary frameworks for metallic materials and aerospace castings:

EN 2103-3: Technical specifications for remelting stock and castings, relevant for production procedures and testing.

EN 3484: Covers requirements for a similar precipitation-hardened steel alloy and reference heat treatment processes.

EN 4436: Describes test methods for determining δ-ferrite content, important for ensuring correct microstructural properties.

EN 4258: Offers an overview of aerospace metallic material standards and their organization.

EN 4500-005: Outlines rules for drafting and presentation of steel material standards.

Practical Value

Adherence to SIST EN 4216:2026 enables:

Consistent Quality: Ensures repeatable, verifiable properties in aerospace components, supporting safety and performance requirements.

Regulatory Compliance: Assists manufacturers and operators in meeting European and global aerospace certification standards.

Efficient Supply Chain Integration: Provides clear expectations for suppliers and customers, streamlining procurement and qualification of investment cast parts.

Enhanced Safety: By mandating thorough testing and standardized processing, the risk of in-service failure is minimized, elevating overall aircraft safety.

By following SIST EN 4216:2026, the aerospace industry can confidently specify, manufacture, and utilize investment cast components with proven reliability and performance.

SIST EN 4216:2026 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Practical Value

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