ISO/PWI 6623

Internal combustion engines — Piston rings - Scraper rings made of cast iron

General information

Current stage: 00.98 Proposal for new project abandoned Jul 2, 2025

Originator: ISO

Owner: ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids

Type: International Standard

Scope

ISO 6623:2013 specifies the essential dimensional features of scraper rings made of cast iron, types N, NM, E, and EM, having diameters from 30 mm up to and including 200 mm, used in reciprocating internal combustion engines for road vehicles and other applications.

Life cycle

NOW

ABANDON
ISO/PWI 6623
00.98 Proposal for new project abandoned
Jul 2, 2025