ISO 6621-2:2003
Internal combustion engines - Piston rings - Part 2: Inspection measuring principles

Standard No.

ISO 6621-2:2003

Release Date

2003

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 6621-2:2020

Latest

ISO 6621-2:2020

Scope

This part of ISO 6621 specifies the principles to be used in the measuring for inspection purposes of piston rings for both reciprocating internal combustion engines and compressors working under analogous conditions. It is applicable to all such rings of a diameter ≤ 200 mm.

ISO 6621-2:2003 Referenced Document

• ISO 4287-1:1984 Surface roughness; Terminology; Part 1 : Surface and its parameters Trilingual edition
• ISO 4287:1997 Geometrical Product Specification (GPS) - Surface texture: Profile method - Terms, definitions and surface texture parameters
• ISO 6507-3 Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks*， 2018-01-01 Update

ISO 6621-2:2003 history

• 2020 ISO 6621-2:2020 Internal combustion engines — Piston rings — Part 2: Inspection measuring principles
• 2003 ISO 6621-2:2003 Internal combustion engines - Piston rings - Part 2: Inspection measuring principles
• 1984 ISO 6621-2:1984 Internal combustion engines; Piston rings; Part 2 : Inspection measuring principles