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BSI BS ISO 21988:2006

Abrasion-resistant cast irons. Classification
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BSI BS ISO 21988:2006

Abrasion-resistant cast irons. Classification

PUBLISH DATE 2007
PAGES 24
BSI BS ISO 21988:2006

This International Standard defines the grades of abrasion-resistant white cast irons. It specifies the grades in terms of:

  • chemical composition;

  • hardness.

The types of abrasion-resistant white cast irons covered by this International Standard are:

  1. unalloyed or low alloy cast irons;

  2. nickel-chromium cast irons covering two general types:

    4 % Ni 2 % Cr cast irons;

    9 % Cr 5 % Ni cast irons;

  3. high chromium cast irons covering five ranges of chromium content:

    Cr > 11 % to ≤ 14 %;

    Cr > 14 % to ≤ 18 %;

    Cr > 18 % to ≤ 23 %;

    Cr > 23 % to ≤ 30 %;

    Cr > 30 % to ≤ 40 %.

SDO BSI: British Standards Institution
Document Number ISO 21988
Publication Date Jan. 31, 2007
Language en - English
Page Count
Revision Level
Supercedes
Committee ISE/111
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