SIST EN 10020:2000

• Abstract:

  This European Standard defines the term "steel" (see clause 2) and classifies steel grades into: - non alloy, stainless steel and other alloy steels by chemical composition (see clause 3); - main quality classes (see clause 4) defined by main property or application characteristics for non alloy, stainless and other alloy steels.

• Status: Published
• Publication Date: 31-Oct-2000
• ICS: 01.040.77 - Metallurgy (Vocabularies)
• ICS: 77.080.20 - Steels
• Technical Committee: IFEK - Ferrous metals
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Nov-2000
• Due Date: 01-Nov-2000
• Completion Date: 01-Nov-2000
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive:

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  89/106/EEC - Construction products
• Mandate: M/116 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on masonry and related products
• Mandate: M/120 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on structural metallic products and ancillaries
• Mandate: M/BC/CEN/86/1 - ECISS - 1st programme
• Ref Project: EN 10020:2000 - Definition and classification of grades of steel

• Replaces: SIST EN 10020:1995 - Definition and classification of grades of steel
• Effective Date: 01-Nov-2001
• Replaces: SIST EN 10020:1995/AC1:1996 - Definition and classification of grades of steel
• Effective Date: 01-Nov-2001
• Referred By: SIST EN 10379:2025 - Steel sheet piles - Test methods
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10363:2016 - Continuously hot-rolled patterned steel strip and plate/sheet cut from wide strip - Tolerances on dimensions and shape
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10305-1:2010 - Steel tubes for precision applications - Technical delivery conditions - Part 1: Seamless cold drawn tubes
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10025-4:2004 - Hot rolled products of structural steels - Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10216-2:2003+A2:2007 - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10083-1:2006 - Steels for quenching and tempering - Part 1: General technical delivery conditions
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10225-2:2019 - Weldable structural steels for fixed offshore structures - Technical delivery conditions - Part 2: Sections
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10027-1:2016 - Designation systems for steels - Part 1: Steel names
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10253-1:2000 - Butt-welding pipe fittings - Part 1: Wrought carbon steel for general use and without specific inspection requirements
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10263-5:2018 - Steel rod, bars and wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10312:2003 - Welded stainless steel tubes for the conveyance of aqueous liquids including water for human consumption - Technical delivery conditions
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 845-3:2013 - Specification for ancillary components for masonry - Part 3: Bed joint reinforcement of steel meshwork
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 10085:2002 - Nitriding steels - Technical delivery conditions
• Effective Date: 28-Jan-2026

Overview

SIST EN 10020:2000 - Definition and Classification of Grades of Steel is a European Standard that provides a clear framework for the definition and systematic classification of steel types. Developed by the Slovenski inštitut za standardizacijo (SIST), this standard ensures harmonization across industries by setting uniform criteria for identifying and categorizing steel grades based on chemical composition and quality classes. Adhering to this standard is essential for manufacturers, suppliers, and engineers who require consistent terminology and specifications for steel products in various applications.

Key Topics

• Definition of Steel: The standard provides a precise definition of what constitutes "steel," ensuring clarity across industries and documentation.
• Chemical Composition Classification:
  • Non-alloy Steels: Steels without intentional alloying elements other than carbon.
  • Stainless Steels: Steels characterized primarily by their corrosion resistance due to specific chemical compositions.
  • Other Alloy Steels: Steels containing significant amounts of alloying elements beyond carbon and iron.
• Quality Classes:
  • Steel grades are further distinguished by major property or application characteristics into main quality classes, aiding in selection for specific uses.
• Systematic Steel Classification:
  • Helps users quickly identify and compare steel types according to up-to-date European standards.

Applications

SIST EN 10020:2000 is widely applied across various sectors that require reliable steel identification and classification:

• Manufacturing and Fabrication: Producers use this standard to specify steel grades precisely, ensuring material compatibility and performance.
• Construction and Engineering: Engineers and architects rely on standardized steel classifications when designing structures and specifying materials for safety and regulatory compliance.
• Procurement and Supply Chain: Procurement professionals use the uniform categorization to source appropriate steel materials from global suppliers with confidence.
• Quality Control and Certification: Quality assurance teams reference this standard to verify steel grade compliance and facilitate product certification processes.
• Technical Documentation and Communication: The clear definitions and classification criteria aid in drafting technical documentation, material datasheets, and international contracts by eliminating ambiguity.

Adoption of this steel classification standard enhances cross-border trade, supports regulatory alignment, and facilitates the integration of new technologies and products into the European and global steel markets.

Related Standards

Organizations and professionals using SIST EN 10020:2000 may also reference these related standards to ensure comprehensive coverage of steel terminology, testing, and properties:

• EN 10021 - General technical delivery requirements for steel products
• EN 10027 - Designation systems for steels
• EN ISO 4948 - Steel classification by chemical composition and mechanical properties
• EN 10088 - Stainless steels - List of standard grades and chemical compositions

By following SIST EN 10020:2000, stakeholders benefit from increased accuracy in steel classification, improved communication, and enhanced compatibility within the metallurgical and engineering sectors. This standard is an essential resource for anyone involved in steel selection, specification, and certification.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Begriffsbestimmung für die Einteilung der StähleDéfinition et classification des nuances d'acierDefinition and classification of grades of steel77.080.20JeklaSteels01.040.77Metalurgija (Slovarji)Metallurgy (Vocabularies)ICS:Ta slovenski standard je istoveten z:
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