AWS D17.2/D17.2M-2026 航空航天领域用电阻焊规范
AWS D17.2/D17.2M-2026 Specification for Resistance Welding for Aerospace Applications - 4th Edition
Specification for Resistance Welding for Aerospace Applications - 4th Edition
standard by American Welding Society , 2026

Full Description
This specification covers requirements for resistance spot and seam welding of the following metals and their alloys.
Material Groups
Group 1—Aluminum and magnesium
Group 2—Steel, nickel, and cobalt
Group 3—Titanium
Classification.
All welds produced in accordance with this specification shall be classified on the engineering drawing or contract. Weld classifications shall be as follows: Class A, Class B, or Class C. These classifications refer to the qualification test requirements, level of inspection required, and to the applicable acceptance criteria. When specified on the engineering drawing, alternate testing requirements, acceptance criteria, and inspection methods take precedence. A part may contain weld joints with multiple classifications.