Overview
Engineering reference data for ISO Standards in standard organizations.
Key Formulas
ISO Standard
Quality management systems.
ASTM Standard
Standard test methods for tension testing.
ANSI Standard
Pipe flanges and flanged fittings.
Variables
| Symbol | Description | Unit |
|---|---|---|
| International Organization for Standardization | — | |
| American Society for Testing and Materials | — | |
| American National Standards Institute | — |
ISO Numbering Convention
ISO standards follow a structured naming format: ISO nnnnn:yyyy: Title
Where:
- nnnnn = standard number
- yyyy = year of publication
- Title = subject description
Regional and national adaptations may prefix the ISO number (e.g., EN ISO for European versions, BS EN ISO for British versions of the European standard).
Example:
ISO IS228-1:2000: Pipe threads where pressure-tight joints are not made on the threads -- Part 1: Dimensions, tolerances and designation
Technical reports and supplementary references use the prefix TR instead of IS.
Standards by Category
ISO standards span a broad range of engineering and technical domains. Key categories include:
| Category | Examples |
|---|---|
| Mechanical | Machinery, metals |
| Chemical | Coatings, fuels |
| Construction | Building materials, structural elements |
| Aerospace | Aviation components, safety standards |
| Energy | Electrical systems, power generation |
| Information Technology | Data formats, networking protocols |
| Medical | Equipment, quality management |
| Environment | Emission controls, sustainable practices |
| Quality & Safety | Management systems, consumer product safety |