Description / Abstract:
Purpose:
The purpose of this document is to provide minimum requirements
for weld filler materials, workmanship, inspection and record
requirements for fusion welding of alloys applicable to aircraft,
missiles, other aerospace equipment, their parts and
accessories.
Processes:
Fusion welding shall be accomplished using one of the following
processes.
Flux Cored Arc Welding (FCAW)
Gas Metal Arc Welding (GMAW)
Gas Tungsten Arc Welding (GTAW)
Oxyfuel Welding (OFW)
Plasma Arc Welding (PAW)
Submerged Arc Welding (SAW)
Shielded Metal Arc Welding (SMAW)
Classification:
The welds shall be of the following classes:
Class A
Class B
Class C
These classifications refer only to the levels of inspections
required and to the quality standard levels applied as outlined in
Section 5 and Table 5-4. Clarification of classes is given in
3.3.
Requirements and information:
This document contains both mandatory requirements and guidance
information. The mandatory requirements indicated by the words
"shall" or "is required" are designed to serve as standards
applicable to materials, workmanship, inspection, and quality
control. Guidance information is indicated either by the words
"should" or "may".
References within this document:
References in this document to a particular paragraph or section
number of this document shall include all applicable subparagraphs
under that paragraph or section number. For example, a reference to
paragraph 4.4 shall include subparagraphs 4.4.1, 4.4.2, 4.2.4.1,
etc.