ISO 945-1-2019 PDF

Full title and description

ISO 945-1:2019 — Founding — Vocabulary — Part 1: Types of cast iron and general technical terms. This standard provides the standardized terminology and definitions used in the metallurgy and manufacturing of cast iron, including classification of cast iron types and general technical terms related to casting, microstructure, properties and testing.

Abstract

ISO 945-1:2019 establishes a consistent vocabulary for the cast iron industry, covering types of cast iron (such as grey, ductile/spheroidal graphite, malleable, white and compacted graphite irons), definitions of microstructural constituents, and general technical terms used in specification, production and testing. The standard supports clear communication between producers, purchasers, laboratories and regulatory bodies by defining terms and classifications relevant to cast iron materials and castings.

General information

• Status: International standard (published)
• Publication date: 2019
• Publisher: International Organization for Standardization (ISO)
• ICS / categories: 77.040.10 Ferrous metal alloys; 77.040 Foundry technology
• Edition / version: ISO 945-1:2019 (current edition from 2019)
• Number of pages: Typically around 18–28 pages (edition documents vary; the published PDF is commonly in this range)

Scope

ISO 945-1:2019 defines terms used in the specification and description of cast iron materials and castings. The scope covers classification of cast iron types, descriptions of graphite forms and matrix structures, and general technical vocabulary applicable to foundry practices, metallurgical assessment and material specification. The part is concerned with terminology rather than test methods or detailed material requirements.

Key topics and requirements

• Definitions of major cast iron types: grey cast iron, malleable cast iron, ductile (spheroidal graphite) cast iron, compacted graphite iron, and white cast iron.
• Terms describing graphite morphology (e.g., flake, spheroidal, compacted, temper carbon) and related microstructural features.
• Definitions for matrix constituents and phases (ferrite, pearlite, martensite, cementite) as they relate to cast iron.
• General foundry and casting terminology used in specification documents (e.g., casting, core, riser, gating, inoculation, heat treatment).
• Terms for mechanical and physical properties commonly referenced in cast iron specifications (hardness, tensile strength, elongation, density).
• Guidance on usage of terms to ensure clear communication in procurement, testing and quality control (terminology only; does not prescribe test methods).

Typical use and users

ISO 945-1:2019 is used by foundries, metallurgists, materials engineers, product designers, testing laboratories, quality managers and procurement specialists to ensure consistent terminology in specifications, inspection reports, material data sheets and technical communications. It is referenced in standards, contracts and technical documents where precise definitions of cast iron types and microstructural terms are required.

Related standards

Related documents commonly used alongside ISO 945-1 include standards specifying chemical composition, mechanical properties and testing of cast irons (for example, standards for tensile testing, hardness testing, microstructure assessment and specific material grades), as well as other parts of the ISO 945 series and national standards that give numerical classifications and requirements for cast irons.

Keywords

cast iron, grey iron, ductile iron, spheroidal graphite iron, malleable iron, white iron, compacted graphite iron, graphite morphology, microstructure, foundry terminology, casting, metallurgical terms

FAQ

Q: What is this standard?

A: ISO 945-1:2019 is the part of the ISO 945 series that defines vocabulary and terms used for cast iron types and general technical terms in foundry and metallurgical contexts.

Q: What does it cover?

A: It covers definitions and descriptions of cast iron types, graphite forms and matrix constituents, plus general casting and metallurgical terminology. It provides standardized vocabulary rather than test methods or specification limits.

Q: Who typically uses it?

A: Foundries, materials and metallurgical engineers, testing laboratories, quality and procurement professionals, standards writers and anyone requiring unambiguous terminology for cast iron materials and castings.

Q: Is it current or superseded?

A: The 2019 edition is the current published edition of ISO 945-1; users should check with the standards body or national mirror organizations for any amendments or later revisions.

Q: Is it part of a series?

A: Yes, ISO 945-1:2019 is part 1 of the ISO 945 series on cast iron vocabulary and related classifications; other parts address more specific definitions and numerical classifications for cast iron.

Q: What are the key keywords?

A: Key keywords include cast iron, grey iron, ductile iron, spheroidal graphite, malleable iron, white iron, compacted graphite, graphite morphology, microstructure, and foundry terminology.