List of Welding Codes and Standards

Welding Codes & Standards Welding is a critical process in various industries, and maintaining quality and safety standards is of utmost importance. Welding codes and standards play a vital role in achieving these objectives. They …

Welding Codes and Standards

Welding Codes & Standards

Welding is a critical process in various industries, and maintaining quality and safety standards is of utmost importance. Welding codes and standards play a vital role in achieving these objectives.

They provide guidelines and requirements for welding procedures, qualifications, inspections, and quality control.

Lets see the worldwide used Welding Codes & Standards…

AWS Welding Codes

The American Welding Society (AWS) is a renowned organization that develops and publishes welding codes and standards to promote safe and high-quality welding practices. These codes provide guidelines for various aspects of welding, including materials, procedures, qualifications, and inspections.

The American Welding Society (AWS) is a well-respected institution committed to advancing welding practices and ensuring their safety and quality. AWS develops and publishes a range of welding codes and standards that serve as valuable guidelines for different aspects of welding.

These codes cover essential areas such as materials, procedures, qualifications, and inspections. Let’s take a closer look at some notable AWS welding codes:

Let’s explore some of the key AWS welding codes:

AWS Codes D Series

The AWS D series codes refer to a set of welding codes developed by the American Welding Society (AWS) specifically for structural welding applications. These codes provide guidelines and requirements for welding procedures, qualifications, materials, inspections, and other aspects related to structural welding.

The D series codes cover various materials and structures commonly encountered in the construction industry. Let’s explore the key AWS D series codes:

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 welding
AWS D1.6Structural welding (stainless steel)
AWS D1.7Structural welding (strengthening and repair)
AWS D1.8Structural welding seismic supplement
AWS D1.9Structural welding (titanium)
AWS D3.6RUnderwater welding (Offshore & inland pipelines)
AWS D8.1Automotive spot welding
AWS D8.6Automotive spot welding electrodes supplement
AWS D8.7Automotive spot welding recommendations supplement
AWS D8.8Automotive arc welding (steel)
AWS D8.9Automotive spot weld testing
AWS D8.14Automotive arc welding (aluminum)
AWS D9.1Sheet metal welding
AWS D10.10Heating practices for pipe and tube
AWS D10.11Root pass welding for pipe
AWS 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 welding
AWS D14.3Earthmoving & agricultural equipment welding
AWS D14.4Machinery joint welding
AWS D14.5Press welding
AWS D14.6Rotating Elements of Equipment
AWS D14.9Specification for the Welding of Hydraulic Cylinders
AWS D15.1Railroad welding
AWS D15.2Railroad welding practice supplement
AWS D16.1Robotic arc welding safety
AWS D16.2Robotic arc welding system installation
AWS D16.3Robotic arc welding risk assessment
AWS D16.4Robotic arc welder operator qualification
AWS D17.1Aerospace fusion welding
AWS D17.2Aerospace resistance welding
AWS D17.3Aerospace friction stir welding (aluminum)
AWS D18.1Hygienic tube welding (stainless steel)
AWS D18.2Stainless steel tube discoloration guide
AWS D18.3Hygienic equipment welding

AWS A- Series

AWS A-Series covers a range of specifications within the American Welding Society (AWS) related to filler metals, electrodes, and gases used in welding processes.

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The AWS A-Series includes various codes numbered AWS A5.1 to AWS A5.36, each specifying requirements for different types of welding consumables.

AWS C- Series

  • AWS C1.1– Recommended Practice for Resistance Welding
  • AWS C1.2– Recommended Practice for Spot Welding Aluminum & alloys
  • AWS C1.3 Recommended Practices for Resistance Welding Coated Low Carbon Steels
  • AWS C1.4 Specification for Resistance Welding of Carbon and Low-Alloy Steels
  • AWS C1.5 Specification for the Qualification of Resistance Welding Technicians
  • AWS C2.2 Recommended Practices for Metallizing with Aluminium and Zinc for Protection of Iron and Steel
  • AWS C2.16 Guide for Thermal Spray Operator Qualification Programs
  • AWS C3.4 Specification for Torch Brazing
  • AWS C3.5 Specification for Induction Brazing
  • AWS C3.6 Specification for Furnace Brazing
    AWS C3.7 Specification for Aluminum Brazing
  • AWS C4.2 Recommended Practices for Oxyfuel Gas Cutting Torch Operation
  • AWS C4.3 Recommended Practices for Oxyfuel Gas Heating Torch Operation
  • AWS C4.4 Recommended Practices for Heat Shaping and Straightening with Oxyfuel Gas Heating Torches
  • AWS C5.1 Recommended Practices for Plasma-Arc Welding
  • AWS C5.2 Recommended Practices for Plasma Arc Cutting and Gouging
  • AWS 5.3 Recommended Practices for Air Carbon Arc Gouging and Cutting
  • AWS C5.4 RECOMMENDED PRACTICES FOR STUD WELDING
  • AWS C5.5 Recommended Practices for Gas Tungsten Arc Welding
  • AWS C5.6 Recommended Practices for Gas Metal Arc Welding
  • AWS C5.7 Recommended Practices for Electrogas Welding
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ASME Welding Codes

The American Society of Mechanical Engineers (ASME) has developed a range of welding codes that provide guidelines and requirements for various aspects of welding processes. These codes ensure the quality, safety, and integrity of welded components in different industries.

Let’s explore some of the key ASME welding codes:

ASME BPVC Section IRules for Construction of Power Boilers
ASME BPVC Section IIPart 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 2
ASME BPVC Section IVRules for Construction of Heating Boilers
ASME BPVC Section VNondestructive Examination
ASME BPVC Section VIIIRules for Construction of Pressure Vessels Division 1 and Division 2
ASME BPVC Section IXWelding and Brazing Qualifications
ASME B16.25Buttwelding ends
ASME B31.1Power Piping
ASME B31.3Process Piping
ASME B31.9Building Services Piping

API Welding Codes and Standards

The American Petroleum Institute (API) has developed a comprehensive set of welding codes and standards specifically for the oil and gas industry. These codes and standards provide guidelines and requirements for welding processes, materials, and inspections to ensure the integrity and safety of equipment and structures used in the industry.

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Let’s explore some of the key API welding codes and standards:

  1. API 1104: Welding of Pipelines and Related Facilities
  2. API 650: Standard for Welded Tanks for Oil Storage Tanks
  3. API 620: Design and Construction of Large, Welded, Low-Pressure Storage Tanks
  4. API 577: Welding Processes, Inspection, and Metallurgy
  5. API RP 2201- Safe Hot Tapping Practices in the Petroleum and Petrochemical Industries
  6. API 5L: Specification for Line Pipe
  7. API RP 2Z: Recommended Practice for Preproduction Qualification for Steel Plates for Offshore Structures
  8. API RP 1107– PIPELINE MAINTENANCE WELDING PRACTICES
  9. API RP 582: Welding Guidelines for the Chemical, Oil, and Gas Industries
  10. API RP 2009- Safe Welding, Cutting, and Hot Work Practices in the Petroleum and Petrochemical Industries
  11. API 942– Controlling Weld Hardness of Carbon Steel Refinery Equipment to Prevent Environmental Cracking
  12. API RP 571: Damage Mechanisms Affecting Fixed Equipment in the Refining Industry
  13. API RP 934-A: Materials and Fabrication of 2 1/4Cr-1Mo, 2 1/4Cr-1Mo-1/4V Steel Heavy Wall Pressure Vessels for High-Temperature, High-Pressure Hydrogen Service
  14. API RP 934-C: Materials and Fabrication of 11/4Cr-1/2Mo Steel Heavy Wall Pressure Vessels for High-pressure Hydrogen Service Operating at or Below 825 °F (440 °C)
  15. API RP 934-D: Technical Report on the Materials and Fabrication Issues of 11/4Cr-1/2Mo and 1Cr-1/2Mo Steel Pressure Vessels
  16. API RP 937: Evaluation of Design Criteria for Storage Tanks with Frangible Roof Joints
  17. API RP 941: Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants
  18. API TR 938-B– Use of 9Cr-1Mo-V (Grade 91) Steel in the Oil Refining Industry
  19. API SPEC 6A– Specification for Wellhead and Tree Equipment

AS/NZS Welding Standards

The AS/NZS (Australian/New Zealand Standards) welding standards are a set of codes and specifications that provide guidelines and requirements for welding processes, procedures, and quality control in Australia and New Zealand. These standards ensure the safety, reliability, and quality of welded components and structures.

Standard NumberDescription
AS/NZS 1554.1Structural steel welding – Welding of steel structures
AS/NZS 1554.2Structural steel welding – Stud welding (steel studs to steel)
AS/NZS 1554.3Structural steel welding – Welding of reinforcing steel
AS/NZS 1554.4Structural steel welding – Welding of high strength quenched and tempered steels
AS/NZS 1554.5Structural steel welding – Welding of steel structures subject to high levels of fatigue loading
AS/NZS 1554.6Structural steel welding – Welding stainless steels for structural purposes
AS/NZS 1554.7Structural steel welding – Welding of sheet steel structures
AS/NZS 3992Pressure equipment – Welding and brazing qualification
AS/NZS 4855Welding consumables – Covered electrodes for manual metal arc welding
AS 4041Pressure Piping

Here are some examples of AS/NZS welding standards:

  1. AS/NZS 1554 Part 1: Structural Steel Welding – Welding of Steel Structures
  2. AS/NZS 1554 Part 2: Structural Steel Welding – Welding of Steel Structures: Aluminium Structures
  3. AS/NZS 2980: Qualification of Welders for Fusion Welding of Steels
  4. AS/NZS ISO 9606.1: Qualification Testing of Welders – Fusion Welding – Steels
  5. AS/NZS ISO 9606.2: Qualification Testing of Welders – Fusion Welding – Aluminum and Aluminum Alloys
  6. AS/NZS ISO 9606.3: Qualification Testing of Welders – Fusion Welding – Copper and Copper Alloys
  7. AS/NZS ISO 9606.4: Qualification Testing of Welders – Fusion Welding – Nickel and Nickel Alloys
  8. AS/NZS ISO 9606.5: Qualification Testing of Welders – Fusion Welding – Titanium and Titanium Alloys
  9. AS/NZS ISO 9606.6: Qualification Testing of Welders – Fusion Welding – Zirconium and Zirconium Alloys
  10. AS/NZS 3992: Pressure Equipment – Welding and Brazing Qualification
  11. AS/NZS 3992.1: Pressure Equipment – Welding and Brazing Qualification – Welders
  12. AS/NZS 3992.2: Pressure Equipment – Welding and Brazing Qualification – Welding Supervisors
  13. AS/NZS 3992.3: Pressure Equipment – Welding and Brazing Qualification – Welding Inspectors
  14. AS/NZS 3834: Quality Requirements for Fusion Welding of Metallic Materials
  15. AS/NZS 2982: Qualification of Welding Procedures and Welders for Thermoplastics
  16. AS/NZS 2985: Welding of Aluminum Structures
  17. AS/NZS 4772: Welded Steel Tanks for Water Storage
  18. AS/NZS 2989: Welding – Fusion-Welded Pressure Vessels
  19. AS/NZS 3678: Structural Steel – Hot-Rolled Plates, Floorplates, and Slabs
  20. AS/NZS 5131: Structural Steelwork – Fabrication and Erection

These AS/NZS welding standards cover a wide range of welding applications, including structural steel, pressure vessels, aluminum structures, and thermoplastics. They provide specifications for welding procedures, welder qualifications, inspection, and quality control measures.

EN Welding Standards

EN 287-1Qualification test of welders — Fusion welding — Part 1: Steels
EN 1090-1Execution of steel structures and aluminium structures – Part 1: Requirements for conformity assessment of structural components
EN 1090-2Execution of steel structures and aluminium structures – Part 2: Technical requirements for steel structures
EN 1090-3Execution of steel structures and aluminium structures – Part 3: Technical requirements for aluminium structures
EN 1011-1Welding — Recommendations for welding of metallic materials — Part 1: General guidance for arc welding
EN 1011-2Welding — Recommendations for welding of metallic materials — Part 2: Arc welding of ferritic steels
EN 1011-3Welding — Recommendations for welding of metallic materials — Part 3: Arc welding of stainless steels
EN 1011-4Welding — Recommendations for welding of metallic materials — Part 4: Arc welding of aluminium and aluminium alloys
EN 1011-5Welding. Recommendations for welding of metallic materials. Welding of clad steel
EN 1011-6Welding. Recommendations for welding of metallic materials. Laser beam welding
EN 1011-7Welding — Recommendations for welding of metallic materials — Part 7: Electron beam welding
EN 1011-8Welding. Recommendations for welding of metallic materials. Welding of cast irons
EN 1993-1-8Eurocode 3: Design of steel structures – Part 1-8: General – Design of joints
EN 13133Brazing – Brazer approval
EN 22553Welded, brazed and soldered joints – Symbolic representation on drawings

ISO Welding Standards

ISO 2560Welding consumables. Covered electrodes for manual metal arc welding of non-alloy and fine grain steels. Classification
ISO 3580Covered electrodes for manual arc welding of creep-resisting steels – Code of symbols for identification
ISO 3581Covered electrodes for manual arc welding of stainless and other similar high alloy steels – Code of symbols for identification
ISO 3834Quality requirements for fusion welding of metallic materials, five parts.
ISO 4063Welding and allied processes – Nomenclature of processes and reference numbers
ISO 5817Welding. Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded). Quality levels for imperfections
ISO 6520-1Welding and allied processes — Classification of geometric imperfections in metallic materials — Part 1: Fusion welding
ISO 6520-2Welding and allied processes — Classification of geometric imperfections in metallic materials — Part 2: Welding with pressure
ISO 6947Welds. Working positions. Definitions of angles of slope and rotation
ISO 9606Qualification test of welders — Fusion welding, parts 1 to 5
ISO 9692-1Welding and allied processes. Recommendations for joint preparation. Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels
ISO 9692-2Welding and allied processes. Joint preparation. Submerged arc welding of steels
ISO 9692-3Welding and allied processes. Joint preparation. Part 3: TIG and MIG welding of aluminium and its alloys
ISO 13847Petroleum and natural gas industries – Pipeline transportation systems – Welding of Pipelines
ISO 13916Welding – Guidance on the measurement of preheating temperature, interpass temperature and preheat mainteanance temperature
ISO 13918Welding – Studs and ceramic ferrules for arc stud welding
ISO 13919-1Welding – Electron and laser-beam welded joints – Guidance on quality level for imperfections – Part 1: Steel
ISO 13919-2Welding – Electron and laser-beam welded joints – Guidance on quality level for imperfections – Part 2: Aluminium and its weldable alloys
ISO 13920Welding – General tolerances for welded constructions – Dimensions for lengths and angles – Shape and position
ISO 14112Gas welding equipment – Small kits for gas brazing and welding
ISO 14175Welding consumables — Gases and gas mixtures for fusion welding and allied processes. Replaced EN 439:1994 in Europe.
ISO 14341Welding consumables. Wire electrodes and deposits for gas shielded metal arc welding of non alloy and fine grain steels. Classification
ISO 14554Resistance welding
ISO 14744Electron beam welding, six parts
ISO 15607Specification and qualification of welding procedures for metallic materials – General Rules
ISO/TR 15608Welding – Guidelines for a metallic material grouping system
ISO 15609Specification and qualification of welding procedures for metallic materials – Welding procedure specification, five parts.
ISO 15610Specification and qualification of welding procedures for metallic materials — Qualification based on tested welding consumables
ISO 15611Specification and qualification of welding procedures for metallic materials — Qualification based on previous welding experience
ISO 15612Specification and qualification of welding procedures for metallic materials — Qualification by adoption of a standard welding procedure
ISO 15613Specification and qualification of welding procedures for metallic materials — Qualification based on pre-production welding test
ISO 15614Specification and qualification of welding procedures for metallic materials – Welding procedure test, 13 parts.
ISO 17635Non-destructive testing of welds. General rules for metallic materials
ISO/TR 20172Welding — Grouping systems for materials — European materials
ISO/TR 20173Welding — Grouping systems for materials — American materials
ISO/TR 20174Welding — Grouping systems for materials — Japanese materials European Union