DIN 8528-1:1973 Weldability; Metallic Materials, Definitions
DVS 2902-2-1977 Resistance spot welding of steels of an individual thickness of up to 3 mm; spot welding characteristics of unalloyed and low-alloy steels (alloy content <= 5%)
DVS 2902-3-1977 Resistance spot welding of steels of an individual thickness of up to 3 mm; design and calculation
DVS 2902-4-1978 Resistance spot welding of steels of an individual thickness of up to 3 mm; preparation and execution
DVS 2904-1974 "Controls for spot, projection and seam welding equipment"
DVS 2907-1975 "Recommendations for the selection and comparison of spot welding machines, projection and seam welding machines (single-phase alternating current)"
DVS 2908-1975 "Measuring in spot welding, projection welding and seam welding"
DVS 2910-1974 Resistance spot welding of hot-galvanized thin sheets
DVS 2913-1978 "Guidelines for measurements at single-phase spot welding machines, projection seam and seam welding machines"
DVS 2915-1-1979 "Quality assurance in spot welding, projection seam welding and roller seam welding; fundamentals"
DVS 2915-2-1979 "Quality assurance in spot welding, projection seam welding and roller seam welding; use of process control installations"
DVS 2915-3-1984 "Quality assurance in spot, projection seam and roller seam welding; quality assurance card"