Norm

NEN-EN-ISO 2624:1995 en

Koper en koperlegeringen - Schatting van de gemiddelde korrelgrootte

48,19

Over deze norm

Status Definitief
Aantal pagina's 7
Commissie Non-ferro
Gepubliceerd op 01-05-1995
Taal Engels
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 respective procedures are termed the comparison procedure, the intercept procedure and the planimetric procedure. The comparison procedure (comparing the specimen with a standard chart) is most convenient and is sufficiently accurate for most commercial purposes. Higher degrees of accuracy in estimating grain size are obtainable by using the intercept (Heyn) or planimetric (Jeffries) procedures. In cases of dispute, it is recommended that the use of one of these procedures be agreed between the parties. For material with non-equiaxial structures it is recommended that the intercept procedure be used.

Details

ICS-code 77.040.99
Nederlandse titel Koper en koperlegeringen - Schatting van de gemiddelde korrelgrootte
Engelse titel Copper and copper alloys - Estimation of average grain size

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