Welding technical guides
Clear explanations of the topics people look up most when preparing a welding procedure.
What is a WPS and which drawings should it include?
WPS vs PQR vs WPQ, the variables a procedure contains and why the joint sketch matters.
Weld joint types: butt, tee, corner, lap and edge
The five basic joint types and the groove preparations (V, U, J, bevel, double-sided) with when each one fits.
Welding symbols: a quick guide to reading them
Symbol anatomy, arrow side and other side, dimensions and supplementary symbols (AWS A2.4 and ISO 2553).
Weld pass sequence: root, fill and cap passes
What a pass is, how to number them, why the order matters and how to document the sequence in a WPS.