Full text | ABS | Acrylonitrile Butadiene Styrene |
| AGMA | American Gear Manufacturers Association |
| ANSI | American National Standards Institute |
| API | American Petroleum Institute |
| ASA | American Standards Association |
| ASME | American Society of Mechanical Engineers |
| BS | British Standard (issued by British Standard
Institution) |
| DIN | Deutsches Institut für Normung e.V. |
| DNV | Det Norske Veritas |
| EEMUA | Engineering Equipment and Materials Users Association |
| EN | European Norm |
| GMAW | Gas Metal Arc Welding |
| GRE | Glass Fibre Reinforced Epoxy |
| GRP | Glass Fibre Reinforced Polyester |
| GTAW | Gas Tungsten Arc Welding |
| HVAC | Heating, Ventilation and Air Conditioning |
| ICLL | International Convention on Load Lines |
| IMO | International Maritime Organization |
| ISO | International Organization for Standardization |
| LEL | Lower Explosion Limit |
| LNG | Liquefied Natural Gas |
| MPI | Magnetic Particle Inspection |
| MT | Magnetic Particle Testing |
| NDT | Non-Destructive Testing |
| NFPA | National Fire Protection Association |
| OS | Offshore Standard |
| OSS | Offshore Service Specification |
| PT | dye-Penetrant Testing |
| PWHT | Post Weld Heat Treatment |
| RP | Recommended Practice |
| RT | Radiographic Testing |
| SMACNA | Sheet Metal and Air Conditioning Contractors
National Association |
| TBK | Norwegian Pressure Vessel Committee |
| TEMA | Tubular Exchangers Manufacturers Association |
| TR | Test Report |
| UKOOA | United Kingdom Offshore Operators Association |
| USCG | U.S. Coast Guard |
| UT | Ultrasonic Testing |
| WPQT | Welding Procedure Qualification Test |
| WPS | Welding Procedure Specification |
| WPT | Welding Production Test |