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BS M 93:2005

BS M 93:2005

$86.31

Protection of magnesium-rich alloys against corrosion. Specification

Published By Publication Date Number of Pages
BSI 2005 14
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This British Standard specifies the methods of protection for magnesium and magnesium alloys and specifies the required characteristics for the performance of various protection schemes for magnesium, as well as the quality assurance of the coating obtained.

Two types of protection are produced:

  1. Type I: Chromating and BS X 38 primer and finish coat;
  2. Type II: Anodizing and unpigmented BS X 38 sealer and finish coat (optional)

This standard applies to parts in magnesium and magnesium alloys when used in aerospace construction, when reference is made to this standard.

PDF Catalog

PDF Pages PDF Title
1 BRITISH STANDARD AEROSPACE SERIES
2 Committees responsible for this Britishļæ½Standard
3 Contents
5 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Information to be supplied to the processor
6 6 Condition of parts prior to processing
7 Process schedule
7.1 Processing
7.2 Pre-treatment
7.3 Treatment
7.4 Post-treatment
7 8 Inspection
8.1 Where it is not practical to perform the quality control on processed parts, test pieces that…
8.2 The quality assurance authority shall specify the number of parts to be inspected per batch o…
9 Removal of coatings
9.1 Type I ā€” Chromate coatings
9.2 Type II ā€” Anodized coatings
10 Quality assurance
10.1 Qualification of the process
10.2 Acceptance requirements
10.3 Rework procedure
10.4 Information to be provided by the processor
8 Annex A (informative) Cleaning and pickling
A.1 Degreasing
A.2 Pickling/oxide removal
10 Annex B (normative) Chromating
B.1 Washing
B.2 Hot half-hour chromate solution (Solution 1)
11 B.3 Chrome-manganese solution (Solution 2)
B.4 Removal of chromate films
12 Annex C (normative) Anodizing
C.1 General
C.2 Process
13 C.3 Removal of anodised coatings
Composition of solution

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BS M 93:2005
$86.31