Calculate socket weld dimensions per ASME B31.3 including minimum fillet size and gap requirements
Input Parameters
Results
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Min Fillet Leg Size
in
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Min Fillet Leg Size
mm
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Required Gap
in
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Socket Engagement
in
Note: Socket welds per ASME B31.3 para 328.5.2. 1/16" gap prevents pipe bottoming under thermal expansion. NPS 2 and smaller typical.
Reference
ASME B31.3: Socket weld fillet min leg = 1.09 x t_pipe (but not less than 3mm)
Gap = 1/16" minimum between pipe end and socket shoulder
Per ASME B16.11 socket weld fitting dimensions