This page lists published welding codes, procedures, and specifications.

American Society of Mechanical Engineers (ASME) Codes The American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code (BPVC) covers all aspects of design and manufacture of boilers and pressure vessels. All sections contain welding specifications, however most relevant information is contained in the following: Code Description ASME BPVC Section I Rules for Construction of Power Boilers ASME BPVC Section II Part C: Specifications for Welding Rods, Electrodes and Filler Metals.ASME BPVC Section IIIRules for Constructions of Nuclear Facility Components-Subsection NCA-General Requirements for Division 1 and Division 2ASME BPVC Section IVRules for Construction of Heating BoilersASME BPVC Section VNondestructive ExaminationASME BPVC Section VIIIRules for Construction of Pressure Vessels Division 1 and Division 2ASME BPVC Section IXWelding and Brazing QualificationsASME B16.25Buttwelding endsASME B31.1 Power PipingASME B31.3 Process PipingASME B31.9 Building Services Piping

American Welding Society (AWS) Standards The American Welding Society (AWS) publishes over 240 AWS-developed codes, recommended practices and guides which are written in accordance with American National Standards Institute (ANSI) practices. The following is a partial list of the more common publications: Standard Number Title AWS A2.4 Standard symbols for welding, brazing, and non-destructive examination AWS A3.0 Standard welding terms and definitions AWS A5.1 Specification for carbon steel electrodes for shielded metal arc welding AWS A5.18 Specification for carbon steel electrodes and rods for gas shielded arc welding AWS B1.10 Guide for the nondestructive examination of welds AWS B2.1 Specification for Welding Procedure and Performance Qualification AWS D1.1Structural welding (steel)AWS D1.2Structural welding (aluminum)AWS D1.3Structural welding (sheet steel)AWS D1.4Structural welding (reinforcing steel)AWS D1.5Bridge weldingAWS D1.6Structural welding (stainless steel)AWS D1.7Structural welding (strengthening and repair)AWS D1.8Structural welding seismic supplementAWS D1.9Structural welding (titanium)AWS D3.6RUnderwater welding (Offshore & inland pipelines)AWS D8.1Automotive spot weldingAWS D8.6Automotive spot welding electrodes supplementAWS D8.7Automotive spot welding recommendations supplementAWS D8.8Automotive arc welding (steel)AWS D8.9Automotive spot weld testingAWS D8.14Automotive arc welding (aluminum)AWS D9.1Sheet metal weldingAWS D10.10Heating practices for pipe and tubeAWS D10.11Root pass welding for pipeAWS D10.12Pipe welding (mild steel)AWS D10.13Tube brazing (copper)AWS D10.18Pipe welding (stainless steel)AWS D11.2Welding (cast iron)AWS D14.1Industrial mill crane weldingAWS D14.3Earthmoving & agricultural equipment weldingAWS D14.4Machinery joint weldingAWS D14.5Press weldingAWS D14.6Rotating Elements of EquipmentAWS D14.9Specification for the Welding of Hydraulic CylindersAWS D15.1Railroad weldingAWS D15.2Railroad welding practice supplementAWS D16.1Robotic arc welding safetyAWS D16.2Robotic arc welding system installationAWS D16.3Robotic arc welding risk assessmentAWS D16.4Robotic arc welder operator qualificationAWS D17.1Aerospace fusion weldingAWS D17.2Aerospace resistance weldingAWS D17.3Aerospace friction stir welding (aluminum)AWS D18.1Hygienic tube welding (stainless steel)AWS D18.2 Stainless steel tube discoloration guideAWS D18.3Hygienic equipment welding

American Petroleum Institute (API) Standards The American Petroleum Institute (API) oldest and most successful programs is in the development of API standards which started with its first standard in 1924. API maintains over 500 standards covering the oil and gas field. The following is a partial list specific to welding:

Standard NumberDescriptionAPI RP 577 Welding Inspection and MetallurgyAPI RP 582Welding Guidelines for the Chemical, Oil, and Gas IndustriesAPI 1104Welding of pipelines and related facilitiesAPI 1169 Basic Inspection Requirements for New Pipeline Construction

Australian / New Zealand (AS/NZS) Standards Standards Australia is the body responsible for the development, maintenance and publication of Australian Standards. The following is a partial list specific to welding: Standard NumberDescriptionAS/NZS 1554.1Structural steel welding - Welding of steel structuresAS/NZS 1554.2Structural steel welding - Stud welding (steel studs to steel)AS/NZS 1554.3Structural steel welding - Welding of reinforcing steelAS/NZS 1554.4Structural steel welding - Welding of high strength quenched and tempered steelsAS/NZS 1554.5Structural steel welding - Welding of steel structures subject to high levels of fatigue loadingAS/NZS 1554.6Structural steel welding - Welding stainless steels for structural purposesAS/NZS 1554.7Structural steel welding - Welding of sheet steel structuresAS/NZS 3992Pressure equipment - Welding and brazing qualificationAS/NZS 4855 Welding consumables - Covered electrodes for manual metal arc weldingAS 4041Pressure Piping

Canadian Standards Association (CSA) Standards The Canadian Standards Association (CSA) is responsible for the development, maintenance and publication of CSA standards. The following is a partial list specific to welding:

Standard NumberDescriptionCAN/CSA-G401-14 Corrugated steel pipe productsCAN/CSA-ISO 14341:11 (R2016) Welding consumables - Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels - ClassificationCAN/CSA-W117.2-12 Safety in welding, cutting, and allied processesG40.20-13/G40.21-13 General requirements for rolled or welded structural quality steel/ Structural quality steelW178.1-14 Certification of welding inspection organizationsW178.2-14 Certification of welding inspectorsW47.1-09 (R2014) Certification of companies for fusion welding of steelW47.2-11 (R2015) Certification of companies for fusion welding of aluminumW48-14 Filler metals and allied materials for metal arc weldingW55.3-08 (R2013) Certification of companies for resistance welding of steel and aluminumW59-13 Welded steel construction (metal arc welding)W59.2-M1991 (R2013) Welded Aluminum Construction CAN/CSA-Z662-15 Oil and gas pipeline systems

British Standards (BS) British Standards are developed, maintained and published by BSI Standards which is UK's National Standards Body. The following is a partial list of standards specific to welding: Standard NumberDescriptionBS 499-1Welding terms and symbols. Glossary for welding, brazing and thermal cuttingBS 499-2CWelding terms and symbols. European arc welding symbols in chart formBS 2633Specification for Class I arc welding of ferritic steel pipework for carrying fluidsBS 2971Specification for class II arc welding of carbon steel pipework for carrying fluidsBS 4515-1Specification for welding of steel pipelines on land and offshore - Part 1: Carbon and carbon manganese steel pipelinesBS 4515-2Specification for welding of steel pipelines on land and offshore. Duplex stainless steel pipelinesPD 6705-2Structural use of steel and aluminium. Recommendations for the execution of steel bridges to BS EN 1090-2PD 6705-3Structural use of steel and aluminium. Recommendations for the execution of aluminium structures to BS EN 1090-3

International Organization for Standardization (ISO) Standards International Organization for Standardization (ISO) has developed over 18500 standards and over 1100 new standards are published every year. The following is a partial list of the standards specific to welding: