Special Processes

Fusion Welding

PDF
 Fusion Welding
Regulation
Description
AWS 2.4
Symbols for Welding and Non Destructive Testing
AWS 5.12
Specification for Tungsten Arc Welding Electrodes
AWS 3.0
Welding Terms and Definitions
AWS 5.9
Specification for Bare Stainless Steel Welding Electrodes and Rods
AWS C1.M-C1
Recommended Practices for Resistant Welding
AWS-D17.1/D17.M
Specification for Fusion Welding for Aerospace Applications
PS 6.3606 (CLASS 2-N OR 3)
Specification for Fusion Welding for Aerospace Applications
NE 40-056 (TYPE II)
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
Some examples of WELDED PARTS

Heat Treating Process

 Heat Treating Process

Heat Treatments only applies to Aluminum Alloys

  • Solution Heat Treatment
  • Artificial Aging Heat Treatment
  • Annealing Heat Treatment

 In accordance with AMS 2750 and AMS 2770 (AMS-H-6088)

NADCAP ACCREDITATION AC7102

Regulation
Description
AMS2750
Pyrometry
AWPS001Q
Pyrometry
NTAA98252
Pyrometry
BAC5621
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

  • Sulfuric Acid Anodizing (SAA) for Aluminum Alloy in accordance with MIL-A-8625
  • Chromic Acid Anodizing (CAA) for Aluminum Alloy in accordance with MIL-A-8625
  • Conversion Coating Alodine 1200S for Aluminum Alloy in accordance with MIL-DTL-5541
  • Passivation Treatments for Stainless Steel parts in accordance with AMS 2700 Method 1
    (Nitric Acid) Type 1-2-3 and ASTM A967 

NADCAP ACCREDITATION AC7108

Regulation
Description
MIL-A-8625 TY I & II
Anodic Chromic & Sulfuric Coating for Aluminum and Aluminum Alloys
MIL-DTL-5541 TY I & III
Chemical Conversion Coating on Aluminum and Aluminum Alloys
MIL-DTL-81706
Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys
AMS2700 METH.I
Passivation of Corrosion Resistant Steels
PS 6.5561
Passivation of Corrosion Resistant Steels
AWPS002T
Conversion Coating of Chromating on Aluminum Alloys
PS 6.5541
Chemical Conversion Coating on Aluminum and Aluminum Alloys
NE 40-006
Chemical Conversion Coating on Aluminum and Aluminum Alloys
NTA73552
Chromic Acid Anodizing
PS 6.5501
Chromic Acid Anodizing
NE 40-030
Chromic Acid Anodizing
AWPS003T
Chromic Acid Anodizing
ASTM-B-117
Standard Test Method of Salt Spray (FOG) Testing
ASTM-B244
Measurement of Thickness of Anodic Coating on Aluminum

Primer Application and Paint

 Primer Application and Paint

Application of Fluid Resistant Primer and Enamels in accordance with MIL PRFR23377 and MIL-PRF-22750

NADCAP ACCREDITATION AC7108/1

Regulation
Description
MIL-PRF-23377
Primer Coatings, Epoxy, Chemical and Solvent Resistant
MIL-DLT-53022
Primer, Epoxy Coating, Corrosion Inhibiting Lead and Chromate Free
MIL-PRF-85285
Coating, Polyurethane, Aircraft and Support Equipment
MIL-PRF-22750
Coating, Epoxy Polyamide, VOC Compliance
MIL-DTL-53039
Coating, Aliphatic Polyurethane, Single Component, Chemical Agent Resistant
NTA73253
Painting of Internal Surfaces with Epoxy/Polyurethane Coating
NTA73269
Painting Metal Surfaces with Polyurethane Primer and Enamel
AWPS002V
Application of Waterborne Chromate Free Primer
STA 100-84-51
Application of Epoxy Primer
UNI EN ISO2409
Paint and varnishes – Cross-cut test
FED-STD-141

Paint, Varnish Lacquer and Related Materials. Method of Inspection, Sampling and Testing.