Standards & Symbols
ISO 2553, ISO 5817, ISO 9606, EN 499 and welding positions.
📋AdvancedStandards & SymbolsEN 1090 — CE Marking for Steel Structures: Complete GuideTechnical guide to EN 1090: execution classes EXC1 to EXC4, mandatory CE marking, welding requirements, FPC, ISO 3834 and welder qualification.
AdvancedStandards & SymbolsWelding Symbols ISO 2553 — Complete Guide with ExamplesComplete technical guide to welding symbols according to ISO 2553:2019. Reference line, elementary symbols, supplementary symbols, dimensions and practical interpretation examples.
AdvancedStandards & SymbolsWelding Positions ISO 6947 — Complete Guide with AWS EquivalencesComplete technical guide to welding positions according to ISO 6947:2019. All positions for plate and pipe, AWS equivalences, difficulty levels and applications by process.
BeginnerStandards & SymbolsWelding Joint Types — Butt, Fillet, Lap and Plug WeldsClassification of welding joint types: butt, fillet, corner, lap and plug joints. Groove preparation and applications.
IntermediateStandards & SymbolsWeld Dimensioning — How to Dimension Welded Joints (ISO 2553)How to dimension welds in technical drawings per ISO 2553: leg length, throat, intermittent welds and supplementary symbols.
IntermediateStandards & SymbolsWPS and WPQR — What They Are and How to Read ThemPractical guide to WPS (Welding Procedure Specification) and WPQR (Welding Procedure Qualification Record): content, purpose and interpretation.
IntermediateStandards & SymbolsISO 15614-1 — Welding Procedure Qualification (WPQR) Complete GuideHow to qualify a welding procedure per ISO 15614-1: essential variables, test pieces, required tests and qualification range.