DEFSTAN 03-2/4(2005) : 2005

Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
  4.2 Tensile Strength of Steels
       4.2.1 Tensile Strength
       4.2.2 Tensile strength/hardness relationship
  4.3 Process control schedule
5 Information to be Supplied to the Processor
6 Process Control
7 General Requirements
8 Standard Cleaning Methods
Annex A - Steels, Non-Corrosion Resisting, Cast Irons and
          Pure Irons
  A.1 Selection of Method of Cleaning
  A.2 Stress Relieving Heat Treatment
  A.3 General Degreasing and Cleaning
       A.3.1 Steels of specified maximum tensile strength
              up to 1100 MPa
       A.3.2 Steels of specified maximum tensile strength
              in the range 1100 to 1450 MPa
       A.3.3 Steels of specified maximum tensile strength
              over 1450 MPa
  A.4 Preparation for Electroplating
  A.5 Preparation for Electroless Nickel Plating
  A.6 Preparation Prior to Phosphating to Def Stan 03-11
  A.7 Preparation Prior to Sheradising to BS 4921
  A.8 Preparation Prior to Hot Dip Galvanising
       A.8.1 Steel (other than castings)
       A.8.2 Steel castings
  A.9 Preparation Prior to Metal Spraying
       A.9.1 Spraying for protection corrosion
       A.9.2 Spraying for reclamation purposes
  A.10 Preparation Prior to Direct Application of Paint to
       the Bare Metal
Annex B - Steels, Corrosion Resisting
  B.1 Stress Relieving Heat Treatment
  B.2 General Degreasing and Cleaning
  B.3 Preparation Prior to Electroplating
  B.4 Preparation Prior to Electroless Nickel Plating
  B.5 Preparation Prior to Metal Spraying
       B.5.1 Spraying to BS 2569
       B.5.2 Spraying for Reclamation Purposes
  B.6 Preparation Prior to the Direct Application of Paint
       to the Bare Metal
Annex C - Aluminium and Aluminium Alloys
  C.1 General Degreasing and Cleaning
  C.2 Removal of Corrosion Products
  C.3 Preparation Prior to Anodizing
  C.4 Preparation Prior to Process O or Filming Treatments
       to Def Stan 03-18
  C.5 Preparation Prior to Painting
  C.6 Preparation Prior to Adhesive Bonding of Unanodized Items
  C.7 Preparation Prior to Electroplating
  C.8 Preparation Prior to Metal Spraying (Def Stan 03-3)
Annex D - Copper and Copper Alloys
  D.1 General Degreasing and Cleaning
  D.2 Preparation Prior to Electroplating
  D.3 Preparation Prior to Electroless Nickel Plating
  D.4 Preparation Prior to Direct Application of Paint to Bare
       Metal
Annex E - Nickel Alloys
  E.1 General Degreasing and Cleaning
  E.2 Preparation Prior to Electroplating
  E.3 Preparation Prior to Direct Application of Paint to Bare
       Metal
Annex F - Titanium and Titanium Alloys
  F.1 General Degreasing and Cleaning
  F.2 Preparation Prior to Electroplating
  F.3 Preparation Prior to Electroless Nickel Plating
  F.4 Preparation Prior to Direct Application of Paint to Bare
       Metal
Annex G - Magnesium Alloys
  G.1 General Degreasing, Cleaning and Painting
Annex H - Zinc Based Alloys
  H.1 General Degreasing and Cleaning
  H.2 Cleaning of Corroded Items
  H.3 Preparation Prior to Painting
  H.4 Preparation Prior to Electroplating
Annex I - Tungsten Alloys
  I.1 Preparation Prior to Electroplating
  I.2 Preparation Prior to Adhesive Bonding and Painting
Annex J - Cleaning and Preparation Methods
  J.1 Introduction
  J.2 Process A - Organic Solvent Degreasing and Cleaning
  J.3 Process B - Alkaline Degreasing
  J.4 Process C - Acid Emulsion Cleaning
  J.5 Process D - Abrasive Cleaning
  J.6 Process E - Sodium Hydroxide De-Scaling
  J.7 Process F - Acid Pickling Without Electrolysis
  J.8 Process G - Acid Dipping
  J.9 Process H - Anodic Pickling
  J.10 Process J - Acid De-Rusting
  J.11 Process K - Alkaline De-Rusting
  J.12 Process L - Chemical Smoothing Process for Steel
  J.13 Process M - Removal of Surface Contamination from
       Corrosion Resisting Steel (Passivation)
  J.14 Process N - Acid Etching of Aluminium Alloys
  J.15 Process O - Oxide Removal Treatment for Aluminium and
       Aluminium Alloys - Bath Treatment
  J.16 Process P - Etching Treatment of Aluminium and
       Aluminium Alloys
  J.17 Process O - Cleaning Treatment for Copper and Copper
       Alloys
  J.18 Process R - Acid De-Scaling, Etching and Smoothing of
       Copper and Copper Alloys
  J.19 Process S - Pickling of Titanium and Titanium Alloys
  J.20 Process T - Pickling of Nickel Alloys
  J.21 Process U - Removal of Corrosion Products from Aluminium
       Alloys
  J.22 Process V - Preparation of Corrosion-Resisting Steels
       Prior to Electroplating
  J.23 Process W - Preparation of Aluminium Alloys Prior to
       Electroplating
  J.24 Process X - Preparation of Nickel Alloys Prior to
       Electroplating
  J.25 Process Y - Preparation of Titanium Alloys Prior to
       Electroplating
  J.26 Process Z - Preparation of Zinc and Zinc Alloys Prior
       to Electroplating
Appendix W - Maintenance of Organic Solvent and Vapour
             Degreasing Baths
  W.1 General
  W.2 Solvent Baths
  W.3 Vapour and Alkaline Degreasing
Appendix X - The Control of Acidity in Vapour Degreasing Plant
Appendix Y - Method for the Determination of the Rate of Attack
             on Mild Steel
Appendix Z - Pretreatment Solution for Aluminium
  Z.1 General
  Z.2 Description
  Z.3 Composition
  Z.4 Testing
  Z.5 Method for Determining Free Acidity
  Z.6 Method for Settling Test

Covers processes for the cleaning of metal surfaces to remove any extraneous or undesirable material or deposits at any stage of manufacture, storage or service and for the preparation of these surfaces for further treatment.