Welding Engineering Standards

API RP 2X - Recommended Practice for Ultrasonic and Magnetic Testing of Offshore Structural Fabrication and Guidelines for Qualification of Technicians
API RP 2Z - Recommended Practice for Preproduction Qualification for Steel Plates for Offshore Structures
API 510 - Pressure Vessel Inspection Code
API 577 - Welding Inspection and Metallurgy
API 579-1 - Fitness-For-Service
API 582 - Welding Guidelines for the Chemical, Oil, and Gas Industries
API 620 - Design and Construction of Large, Welded, Low-Pressure Storage Tanks
API 650 - Welded Tanks for Oil Storage
API 1104 - Welding of Pipelines and Related Facilities
API RP 1107 - Pipeline Maintenance Welding Practices
API 1169 - Pipeline Construction Inspector Certification
API 2201 - Safe Hot Tapping Practices in the Petroleum and Petrochemical Industries

ISO 693 - Dimensions of seam welding wheel blanks
ISO 4850 - Personal eye-protectors for welding and related techniques -- Filters -- Utilisation and transmittance requirements
ISO 7286 - Graphical symbols for resistance welding equipment
ISO 8167 - Projections for resistance welding
ISO 15607 - Specification and qualification of welding procedures for metallic materials -- General rules
ISO 17846 - Welding and allied processes -- Health and safety -- Wordless precautionary labels for equipment and consumables used in arc welding and cutting.