About

Scope

Standardization in the field of metal springs covering exclusively product tolerances, terms and test methods, and process technology for springs (heat treatments, surface treatments, shot peening, etc.)

Excluded : product specifications solely intended to cover each application, since some of them are currently in the scope of existing TC.

Quick links

11

Published ISO standards *

2

ISO standards under development *

13
Participating members
11
Observing members

* number includes updates

Reference Title Type
ISO/TC 227/WG 5   Springs - Symbols Working group
Liaison Committees to ISO/TC 227

The committees below can access the documents of ISO/TC 227:

Reference Title ISO/IEC
ISO/TC 2 Fasteners ISO
ISO/TC 10/SC 6 Mechanical engineering documentation ISO
ISO/TC 17/SC 4 Heat treatable and alloy steels ISO
ISO/TC 306 Foundry machinery ISO

 

Liaison Committees from ISO/TC 227

ISO/TC 227 can access the documents of the committees below:

Reference Title ISO/IEC
ISO/TC 2 Fasteners ISO
ISO/TC 10/SC 6 Mechanical engineering documentation ISO
ISO/TC 17/SC 4 Heat treatable and alloy steels ISO
ISO/TC 29/SC 8 Tools for pressing and moulding ISO
ISO/TC 306 Foundry machinery ISO
Date Month Location TC/SC Note
26 September 2025 Hangzhou (China) ISO/TC 227 **

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 227 - Secretariat

JISC [Japan]

Japan Spring Manufacturers Association (JSMA)
MH-KIYA Bldg 3F,
12 Kanda-Mikuracho,
Chiyoda-ku,
Tokyo 101-0038
Japan