ISO 15787-2016 PDF

Full title and description

Technical product documentation — Heat‑treated ferrous parts — Presentation and indications. This International Standard gives rules for presenting and indicating the final condition of heat‑treated ferrous parts on technical drawings, including how to show treatment extent, hardness and case/depth information and related notations.

Abstract

ISO 15787:2016 specifies the manner of presenting and indicating the final condition of heat‑treated ferrous parts in technical drawings, providing graphical and textual conventions so that heat‑treatment requirements are clear and unambiguous on engineering documentation.

General information

• Status: Published (current; confirmed at review).
• Publication date: September 2016 (Edition 2, 2016).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 25.200 (Heat treatment); 01.100.20 (Mechanical engineering drawings).
• Edition / version: Edition 2 (2016).
• Number of pages: 33 (ISO published pagination).

Scope

Specifies the manner of presenting and indicating the final condition of heat‑treated ferrous parts in technical drawings — i.e., the conventions for showing which areas are heat‑treated, how to indicate the type of treatment, hardness and hardness depth/case depth data, measurement points and related notes so that manufacturing, inspection and assembly stakeholders can interpret requirements consistently.

Key topics and requirements

• Conventions for indicating whole‑part, local or area‑specific heat treatment on drawings (graphical representation and notes).
• How to name or describe treatment processes (e.g., quench and temper, nitriding, carburizing) using standardized vocabulary.
• Presentation of hardness data (surface/core values) and depth measurements (case depth, hardness depth) and linking measurement points to nominal values.
• Indications for special layers and depths (carburization depth, compound layer thickness, oxide or compound layers) and their drawing annotation.
• Requirements for marking and annotation to avoid ambiguity between “final condition” and “condition immediately after heat treatment” and for indicating premachining/post‑machining states.

Typical use and users

Used by mechanical designers, draughtsmen, heat‑treatment engineers, process planners, quality/inspection engineers and procurement/specification authors who prepare or interpret engineering drawings for ferrous components that require heat treatment. The standard is applied where clear, standardized drawing indications for heat treatment and hardness/case requirements are needed.

Related standards

Relevant adjacent documents include the earlier version ISO 15787:2001 (replaced by the 2016 edition) and ISO vocabulary and heat‑treatment terminology standards such as ISO 4885 (Ferrous materials — Heat treatments — Vocabulary). These provide complementary definitions and terminology used when naming treatments and specifying requirements on drawings.

Keywords

heat treatment, ferrous parts, technical drawings, presentation, indications, hardness, case depth, carburization, nitriding, quench and temper, ISO 15787.

FAQ

Q: What is this standard?

A: ISO 15787:2016 is an ISO International Standard that defines how to present and indicate the final heat‑treatment condition of ferrous parts on technical product documentation (engineering drawings).

Q: What does it cover?

A: It covers graphical and textual conventions for showing where and how parts are heat‑treated, how to state treatment types, hardness and depth data, measurement points and related notes so drawing users can interpret heat‑treatment requirements unambiguously.

Q: Who typically uses it?

A: Mechanical designers, draughtsmen, metallurgists, heat‑treatment engineers, quality/inspection staff and anyone responsible for specifying, manufacturing or verifying heat‑treated ferrous components.

Q: Is it current or superseded?

A: The 2016 edition (Edition 2) supersedes ISO 15787:2001; the 2016 version was reviewed and confirmed (remains the current edition as reviewed).

Q: Is it part of a series?

A: It is a stand‑alone ISO standard focused on presentation and indications for heat‑treated ferrous parts, but it is used in conjunction with other ISO documents on heat‑treatment terminology and testing (for example ISO 4885 for heat‑treatment vocabulary).

Q: What are the key keywords?

A: heat treatment; ferrous parts; presentation; indications; technical drawings; hardness; case depth; carburization; nitriding; quench and temper; ISO 15787.