SIST EN 2959:2019

Aerospace series - Heat resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Solution treated and cold worked - Bar for forged fasteners - 3 mm ≤ D ≤ 30 mm

This document specifies the requirements relating to:
Heat resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al)
Solution treated and cold worked
Bar for forged fasteners
3 mm  ≤ D  ≤ 30 mm
for aerospace applications.

Luft- und Raumfahrt - Hochwarmfeste Legierung - NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Lösungsgeglüht und kaltverfestigt - Stangen zum Warmstauchschmieden für Verbindungselemente - 3 mm ≤ D ≤ 30 mm

Dieses Dokument legt die Anforderungen an:
Hochwarmfeste Legierung NI PH1302 (NiCr20Co13Mo4Ti3Al)
Lösungsgeglüht und kaltverfestigt
Stangen zum Warmstauchschmieden für Verbindungselemente
3 mm ≤ D ≤ 30 mm
für Anwendungen in der Luft- und Raumfahrt fest.

Série aérospatiale - Alliage résistant à chaud - NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Mis en solution et écroui - Barres pour éléments de fixations forgés - 3 mm ≤ D ≤ 30 mm

Aeronavtika - Toplotno odporna zlitina NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Topilno žarjena in hladno preoblikovana - Palice za kovane vezne elemente - 3 mm ≤ D ≤ 30 mm

Ta dokument določa zahteve, ki se nanašajo na:
toplotno odporne zlitine NI-PH1302 (NiCr20Co13Mo4Ti3Al),
topilno žarjene in hladno preoblikovane,
palice za kovane vezne elemente,
3 mm ≤ D ≤ 30 mm,
za uporabo v aeronavtiki.

General Information

• Status: Published
• Publication Date: 18-Jun-2019
• ICS: 49.025.15 - Non-ferrous alloys in general
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 13-Jun-2019
• Due Date: 18-Aug-2019
• Completion Date: 19-Jun-2019
• Ref Project: EN 2959:2019 - Aerospace series - Heat resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Solution treated and cold worked - Bar for forged fasteners - 3 mm ≤ D ≤ 30 mm

Relations

• Refers: SIST EN 2043:2014 - Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings)
• Effective Date: 28-Jan-2026
• Refers: SIST EN 4258:2024 - Aerospace series - Metallic materials - General organization of standardization - Link between types of European Standards and their use
• Effective Date: 28-Jan-2026
• Refers: SIST EN 4500-003:2024 - Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 003: Specific rules for heat resisting alloys
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 61482-1-2:2015 - Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-2: Test methods - Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
• Effective Date: 09-Feb-2026
• Referred By: SIST EN 61482-1-2:2007 - Live working - Protective clothing against the thermal hazards of an electric arc -- Part 1-2: Test methods -- Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
• Effective Date: 09-Feb-2026
• Referred By: SIST EN 61482-1-1:2009 - Live working - Protective clothing against the thermal hazards of an electric arc -- Part 1-1: Test methods - Method 1 - Determination of the arc rating (ATPV or EBT50) of flame resistant materials for clothing
• Effective Date: 09-Feb-2026
• Referred By: SIST EN ISO 11612:2015 - Protective clothing - Clothing to protect against heat and flame - Minimum performance requirements (ISO 11612:2015)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 11612:2009 - Protective clothing - Clothing to protect against heat and flame (ISO 11612:2008)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN ISO 14460:2000 - Protective clothing for automobile racing drivers - Protection against heat and flame - Performance requirements and test methods (ISO 14460:1999)
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3672:2024 - Aerospace series - Shank nut, self-locking, in heat resisting nickel base alloy NI-P101HT (Waspaloy), silver plated, for 30° swage - Classification: 1 210 MPa (at ambient temperature) / 730 °C
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3637:2023 - Aerospace series - Nut, self-locking, bi-hexagonal (double reduced), in heat resisting nickel base alloy - NI-P101HT (Waspaloy), silver plated, Classification: 1 210 MPa/730 °C
• Effective Date: 28-Jan-2026

Overview

SIST EN 2959:2019 is a European standard issued by CEN that defines strict requirements for the use of the heat-resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al). This standard covers bars that have undergone solution treatment and cold working, specifically intended for forged fasteners within the aerospace sector. The standard applies to bars with diameters ranging from 3 mm to 30 mm, supporting the highest levels of reliability and performance for demanding aerospace environments.

By specifying the composition, production processes, and mechanical properties required for NI-PH1302 bars, SIST EN 2959:2019 provides manufacturers and purchasers with a clear benchmark for quality and conformity.

Key Topics

• Material Composition: Details the required elements and allowable ranges, ensuring NI-PH1302 meets strict alloy specifications for high temperature and mechanical performance.
• Product Form and Dimensions: Applies to bar stock for forged fasteners, with permissible diameters from 3 mm up to 30 mm.
• Heat Treatment and Cold Working: Specifies that bars must be both solution treated and cold worked, providing enhanced strength and durability necessary for aerospace fastener applications.
• Mechanical Properties: Sets minimum thresholds for proof stress, tensile strength, elongation, reduction of area, and hardness - all critical for securing the performance of fasteners under stress and elevated temperatures.
• Inspection and Testing: Requires compliance with additional standards (such as EN 4700-002 and EN 2043) for conformity assessment, including visual, dimensional, and marking inspections.

Applications

The primary application of SIST EN 2959:2019 is in the aerospace industry, where supreme material performance is essential to ensure safety and service integrity. The standard supports:

• Forged Aerospace Fasteners: Used in aircraft engines, airframes, and structural assemblies where high temperature resistance and mechanical strength are crucial.
• Critical Structural Elements: The specified NI-PH1302 bar ensures reliable operation in adverse conditions, supporting both civilian and military aerospace platforms.
• Engineering Quality Assurance: Adoption of SIST EN 2959:2019 supports traceability, product qualification, and streamlined procurement for aerospace projects requiring certified, high-temperature fastener materials.

Manufacturers benefit from this standard by being able to consistently produce fastener bar stock that meets internationally recognized quality requirements, while purchasers gain confidence in the long-term performance of their components.

Related Standards

Implementation and compliance with SIST EN 2959:2019 is supported by reference to several important related standards in metallic materials for aerospace, including:

• EN 2043 - Aerospace series: General requirements for semi-finished product qualification (excluding forgings and castings)
• EN 4258 - Aerospace series: General organization of metallic materials standardization and their applications
• EN 4500-003 - Aerospace series: Rules for drafting and presentation of material standards, specifically for heat resisting alloys
• EN 4700-002 - Technical specification for steel and heat resisting alloys, covering wrought bar and sections for aerospace

By following SIST EN 2959:2019 and these connected standards, stakeholders within the aerospace supply chain can guarantee that materials and forged fasteners meet the rigorous demands of modern aviation and space technologies.

Keywords: SIST EN 2959:2019, NI-PH1302, aerospace alloy standard, heat resisting alloy, forged fasteners, solution treated, cold worked, bar stock, CEN standard, metallic materials, aerospace applications, quality assurance, material compliance.

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2019
Aeronavtika - Toplotno odporna zlitina NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Topilno
žarjena in hladno preoblikovana - Palice za kovane vezne elemente - 3 mm ≤ D ≤ 30
mm
Aerospace series - Heat resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Solution
treated and cold worked - Bar for forged fasteners - 3 mm ≤ D ≤ 30 mm
Luft- und Raumfahrt - Hochwarmfeste Legierung - NI-PH1302 (NiCr20Co13Mo4Ti3Al) -
Lösungsgeglüht und kaltverfestigt - Stangen zum Warmstauchschmieden für
Verbindungselemente - 3 mm ≤ D ≤ 30 mm
Série aérospatiale - Alliage résistant à chaud - NI-PH1302 (NiCr20Co13Mo4Ti3Al) - Mis
en solution et écroui - Barres pour éléments de fixations forgés - 3 mm ≤ D ≤ 30 mm
Ta slovenski standard je istoveten z: EN 2959:2019
ICS:
49.025.15 Neželezove zlitine na Non-ferrous alloys in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 2959
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2019
EUROPÄISCHE NORM
ICS 49.025.15; 49.025.99
English Version
Aerospace series - Heat resisting alloy NI-PH1302
(NiCr20Co13Mo4Ti3Al) - Solution treated and cold
worked - Bar for forged fasteners - 3 mm ≤ D ≤ 30 mm
Série aérospatiale - Alliage résistant à chaud - NI- Luft- und Raumfahrt - Hochwarmfeste Legierung - NI-
PH1302 (NiCr20Co13Mo4Ti3Al) - Mis en solution et PH1302 (NiCr20Co13Mo4Ti3Al) - Lösungsgeglüht und
écroui - Barres pour éléments de fixations forgés - 3 kaltverfestigt - Stangen zum Warmstauchschmieden
mm ≤ D ≤ 30 mm für Verbindungselemente - 3 mm ≤ D ≤ 30 mm
This European Standard was approved by CEN on 6 January 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 2959:2019 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

European foreword
This document (EN 2959:2019) 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 December 2019, and conflicting national standards shall be withdrawn
at the latest by December 2019.
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.
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