Certified By: General Electric
Certification: P8TF4
Specification Title: Resistance Spot, Seam, Projection and Capacitor Discharge Welding
Short Description: This specification establishes the requirements for spot, seam, projection, and capacitator discharge welded joints in products of iron, nickel, cobalt, titanium, aluminum and magnesium base alloys. CLASS A welds do not include welds in foil thicknesses (0.008 inch -- 0.20 mm -- or less).
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