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EVS-EN ISO 2624:2000

Copper and copper alloys - Estimation of average grain size

General information
Valid from 01.01.2000
Base Documents
ISO 2624:1990; EN ISO 2624:1995
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.01.2000
Main
Specifies three procedures for estimating, and rules for expressing, the average grain size of copper and copper alloys consisting principally of a single phase. The comparison procedure (comparing the specimen with a standard chart) is most convenient and is sufficiently accurate for most commercial purposes. In cases of dispute the use of the Heyn or Jeffries procedures (intercept procedure and planimetric procedure, respectively) having higher degrees of accuracy is recommended.
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