Special Processes

Fusion welding

PDF
 Fusion Welding
Regulation
Description
AWS 2.4
Symbols for welding and non Destructive testing
AWS 3.0
Welding Terms and Definitions
AWS 5.9
Specification for Bare Stainless Steel Welding Electrodes and Rods
AWS C1.M-C1
Recommended Practise for Resistant Welding
AWS-D17.1
Specification for Fusion Welding for Aerospace Applications
MIL-R-5031
Rod and Wire, Welding, Corrosion and Heat Resistant Alloys
MIL-STD-2219
Fusion Welding for Aerospace Applications
MIL-A-18455
Argon Technical
PS 6.3606
Argon Arc Welding of Austenitic Stainless Steel
Some examples of WELDING PART

Heat Treating Process

 Heat Treating Process
  • Solution heat treatment
  • Artificial aging heat treatment
  • Annealing heat treatment
  • In accordance with AMS 2770 (AMS – H – 6088) and AMS 2750 (specifications certified by Nadcap)
Regulation
Description
AMS2750
Pyrometry
AMS2770
Heat Treatment of wrought Aluminum Alloy Parts
BAC5602
Heat Treatment of Aluminum Alloys
AWPS006T
Heat Treatment of Aluminum Alloys
NTA71250
Heat Treatment of Aluminum Alloys

Chemical Processing / Surface Treatment

Primer Application and Paint
  • Galvanic & Surface Treatments
  • Chemical conversion coating Alodine 1200 for aluminum alloy in accordance with MIL-DTL-5541
  • Chromic acid anodizing for aluminum alloy in accordance with MIL-A-8625 TYPE I
  • Chemical Passivation Treatments for stainless steel parts in accordance with AMS 2700 Method 1 (Nitric Acid) Type 1-2-3 and ASTM A967
Regulation
Description
MIL-A-8625
Anodic Coating for Aluminum and Aluminum Alloys
NTA73552
Chromic Acid Anodizing
AIT72114
Chromic Acid Anodizing
AWPS0003T
Chromic Acid Anodizing
BAC5019
Chromic Acid Anodizing
STA100-84-51
Application of Epoxy Primer
MIL-PRF-23377
Primer Coatings Epoxy High-Solids
ASTM-B-117
Standard Test Method of salt spray (FOG) Testing
ASTM-B244
Measurement of thickness of anodic coating on aluminum
FED-STD-141
Paint, Varnish Lacquer and related materials Methods of Inspection, sampling and Testing
UNI EN ISO2409
Paints and Coatings – Testing Grid
Regulation
Description
MIL-DTL-5541
Chemical Conversion Coating on Aluminum and Aluminum Alloys
MIL-DTL-5541
Chemical Conversion Coating on Aluminum and Aluminum Alloys
MIL-DTL-81706
Chemical Conversione Materials for Coating Aluminum and Aluminum Alloys
AWPS002T
Conversion Coating of Chromating on Aluminum Alloys
NTA 72269
Chemical Conversion Coating on Aluminum and Aluminum Alloys
AIT 72224
Chemical Oxidation on Aluminum and aluminum Alloys (XGCI-XGC2)
NE 40-006
Aluminum and Its Alloys – Chemical Conversion Coating
BAC5719
Chemical Conversion Coating for Aluminum and Aluminum Alloys
MIL-PRF-23377
Primer Coatings Epoxy High-Solids
ASTM-B-117
Standard Test Method of salt spray (FOG) Testing
UNI EN ISO2409
Paint and Varnishes – Cross-cut Test

Primer Application and Paint

 Primer Application and Paint

Application of fluid resistant primer and enamels in accordance with MIL PRFR23377 and MIL-PRF-22750

Regulation
Description
MIL-PRF-22750
Coating, Epoxy Polyamide, VOC compliance
MIL-C-83286
Coating, Urethane, Aliphatic Iso cyanate, for Aerospace Application
FED-STD 141
Paint, Varnish, Lacquer and related Materials: Methods of Inspection, Sampling and Testing
DPS 4.50-66
Paint Adhesion Test
UNI EN ISO2409
Paint and Varnishes-Cut test
FED-STD-595
Colors Used in Government Procurement
STA 100-84-51
Application of Epoxy Primer.
STA 100-84-27
Application of Epoxy Paint
NTA73253
Painting of Internal surfaces with Epoxy/Polyurethane Coating
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