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 & SymbolsEN ISO 5817: Complete Imperfection Table with Quality Levels B, C and DComplete reference of quality levels B (stringent), C (intermediate) and D (moderate) from EN ISO 5817:2005 for fusion welding of steels.
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 & SymbolsISO 6520-1: Classification of Imperfections — Groups 1 to 6 with ExamplesPractical guide to EN ISO 6520-1 with the six groups of imperfections in fusion welding: cracks, cavities, solid inclusions, lack of fusion, incorrect shape and miscellaneous.
IntermediateStandards & SymbolsWPS and WPQR: What is the Difference and How They Relate in PracticeThe WPS (Welding Procedure Specification) and WPQR (Welding Procedure Qualification Record) are distinct but inseparable documents. Understand what each contains and how one validates the other.
BeginnerStandards & SymbolsWelding Symbols ISO 2553: Reading Technical DrawingsPractical guide to interpreting welding symbols in technical drawings according to ISO 2553 — mandatory elements, symbol position and real examples.
BeginnerStandards & SymbolsWelding Positions According to EN ISO 6947Complete guide to welding positions standardised by EN ISO 6947: designations, inclination angles, reference planes and application in welder qualifications.
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.
AdvancedStandards & SymbolsEN ISO 5817: Complete Imperfection Table with Quality Levels B, C and DComplete reference of quality levels B (stringent), C (intermediate) and D (moderate) from EN ISO 5817:2005 for fusion welding of steels.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 & SymbolsISO 6520-1: Classification of Imperfections — Groups 1 to 6 with ExamplesPractical guide to EN ISO 6520-1 with the six groups of imperfections in fusion welding: cracks, cavities, solid inclusions, lack of fusion, incorrect shape and miscellaneous.IntermediateStandards & SymbolsWPS and WPQR: What is the Difference and How They Relate in PracticeThe WPS (Welding Procedure Specification) and WPQR (Welding Procedure Qualification Record) are distinct but inseparable documents. Understand what each contains and how one validates the other.BeginnerStandards & SymbolsWelding Symbols ISO 2553: Reading Technical DrawingsPractical guide to interpreting welding symbols in technical drawings according to ISO 2553 — mandatory elements, symbol position and real examples.BeginnerStandards & SymbolsWelding Positions According to EN ISO 6947Complete guide to welding positions standardised by EN ISO 6947: designations, inclination angles, reference planes and application in welder qualifications.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.