IS 12893 : 2006/ ISO 1146 : 1988 Pyrometric Reference Cones for Laboratory use - Specification

National Foreword

This Indian Standard (First Revision) which is identical with ISO 1146:1988 ?Pyrometric reference cones forlaboratory use - Specification? issued by the International Organization for Standardization (ISO) was adoptedby the Bureau of Indian Standards on the recommendation of the Refractories Sectional Committee andapproval of the Metallurgical Engineering Division Council.

This Indian Standard was originally published in 1990. This revision of the standard has been taken up to alignit with ISO 1146 by adoption, under dual numbering system.

The text of the ISO standard has been approved as suitable for publication as an Indian Standard withoutdeviations. Certain terrninolocw and conventions are, however, not identical to those used in Indian Standards.Attention is particularly draw; to the following:

a)Wherever the words ?International Standard? appear referring to this standard, they should be readas ?Indian Standard?.

b)Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point (.). as the decimal marker. In this adopted standard, reference appears to the following International Standard for which Indian Standardalso exists. The corresponding Indian Standard which is to be substituted in its place is listed below alongwith its degree of equivalence for the edition indicated:

In this adopted standard, reference appears to the following International Standard for which Indian Standardalso exists. The corresponding Indian Standard which is to be substituted in its place is listed below alongwith its degree of equivalence for the edition indicated: