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Arc Stud Welding - Technical Information
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Our experience has shown that to assure complete fastener strength development, the parent metal thickness should be at least 1/3 of the weld base diameter of the stud. For applications where strength is not the primary requirement, the parent metal thickness may be reduced to a minimum of 1/5 the weld base diameter. By staying above this minimum ratio, you will get complete cross-sectional-area weld fusion without burn-through or excessive distortion of the parent metal.
Recommended Minimum Plate Thickness for Electric-Arc Stud Welding
Base Diameter
of Stud (in.)
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Steel Without Backup
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(in.)
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(gauge)
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0.187
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0.0359
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20
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0.250
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0.0478
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18
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0.312
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0.0598
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16
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0.375
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0.0747
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14
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0.437
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0.0898
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13
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0.500
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0.1196
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11
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0.625
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0.148
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9
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0.750
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0.187
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0.875
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0.250
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1.00
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0.375
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Tru-Weld Stud Welding
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