DIN 17022-3 1989-04 eng PDF

Full title and description

STB DIN 17022-3 1989-04 (English): "Heat treatment of ferrous materials — Heat treatment methods — Part 3: Case hardening". This part of the DIN 17022 series specifies recommended procedures and general requirements for case hardening (surface hardening) of steels used for workpieces and tools.

Abstract

Provides procedural guidance for case hardening processes such as carburizing, carbonitriding and related surface-hardening treatments, including heat cycles, quenching and tempering, required checks of case depth and hardness, and documentation/marking practices to ensure consistent quality of hardened surfaces on ferrous materials. The document is primarily an engineering/practical guidance standard for heat-treatment operations.

General information

• Status: Withdrawn / superseded — replaced by a later edition (DIN 17022-3:2025-11).
• Publication date: 1 April 1989 (edition 1989-04).
• Publisher: DIN — Deutsches Institut für Normung (German Institute for Standardisation).
• ICS / categories: 25.200 — Heat treatment.
• Edition / version: 1989-04 (original German language publication; English translation available from commercial distributors).
• Number of pages: 22–23 pages (commercial listings show 22 or 23 pages depending on format).

Scope

Specifies recommended methods and practical guidance for case hardening of ferrous materials (steels). The scope covers process descriptions, typical process parameters, heat cycles for carburizing and related methods, quenching and tempering sequences, and guidance on process control and testing necessary to achieve specified surface hardness and case depth for workpieces and tools. It is intended for use by heat-treatment practitioners and quality personnel to standardize surface-hardening practice.

Key topics and requirements

• Definitions and terminology related to case hardening and surface-hardening methods.
• Process descriptions: carburizing, carbonitriding and related surface-hardening techniques.
• Recommended heat cycles, temperature ranges, and atmosphere/control considerations for consistent results.
• Quenching and tempering procedures appropriate after case hardening to achieve required core/toughness properties.
• Test methods and acceptance criteria: hardness testing, case-depth measurement and inspection points.
• Documentation, marking and process-record requirements for traceability and quality assurance.

Typical use and users

Used by metallurgical engineers, heat-treatment shops, toolmakers, maintenance departments, product design engineers and quality-assurance personnel who specify or control surface-hardening processes for steel components. The standard is applied where consistent case depth, surface hardness and post-heat-treatment mechanical properties are required.

Related standards

Other parts of the DIN 17022 series (e.g., parts 1, 2, 4, 5) address complementary heat-treatment topics; national and international standards on heat treatment, process control and metallurgical testing (standards with ICS 25.200) may be used alongside DIN 17022-3 for detailed test methods and quality requirements. Commercial listings and standards bodies typically cross-reference related DIN parts.

Keywords

case hardening, carburizing, carbonitriding, nitriding, heat treatment, ferrous materials, steels, quenching, tempering, case depth, hardness testing, process control, DIN 17022.

FAQ

Q: What is this standard?

A: DIN 17022-3:1989 is the part of the DIN 17022 series that gives guidance on case hardening (surface hardening) methods for ferrous materials (steels), covering process descriptions and practical requirements for treatment of workpieces and tools.

Q: What does it cover?

A: It covers procedures such as carburizing and related surface-hardening techniques, recommended heat cycles, quenching and tempering sequences, testing for hardness and case depth, and documentation practices for quality control.

Q: Who typically uses it?

A: Metallurgists, heat-treatment shop managers and technicians, toolmakers, design and QA engineers, and standards/quality personnel who specify or validate surface-hardening processes.

Q: Is it current or superseded?

A: The 1989 edition has been superseded — a newer edition, DIN 17022-3:2025-11, was prepared to replace the 1989 text; the 1989 edition is shown in commercial listings as withdrawn/superseded and users should reference the 2025 edition for current requirements. (Replacement announced for 2025-11).

Q: Is it part of a series?

A: Yes — it is Part 3 of the DIN 17022 series on heat treatment of ferrous materials; other parts address different heat-treatment methods and related requirements.

Q: What are the key keywords?

A: Case hardening, carburizing, carbonitriding, ferrous materials, heat treatment, quenching, tempering, case depth, hardness testing.