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American Society of Mechanical Engineers

About the American Society of Mechanical Engineers

Founded in 1880 as the American Institute of Mechanical Engineers, ASME is a leading non-profit organisation that promotes the art, science, and practice of mechanical and multi-discipline engineering and allied sciences. Its mission is to advance engineering for the benefit of humanity, helping the global engineering community develop solutions to real world challenges.


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Clients can easily purchase ASME Standards through Intertek Inform's user-intuitive website. Receive alerts and stay up-to-date with changes to ASME Standards by using StandardsWatch. Purchase Standards with confidence through secure payment processing that guarantees transaction safety. As well as detailed information, version control, and customer support to further enhance the user experience, ensuring clients access the latest ASME Standards efficiently.


View all ASME Standards

Cranes and Monorails (With Underhung Trolley or Bridge)
Temperature and Humidity Environment for Dimensional Measurement
Dimensioning and Tolerancing
Thumb Screws and Wing Screws (Inch Series)
Pressure Gauges and Gauge Attachments
Process Piping
Power Piping
Safety Code for Elevators and Escalators
Safety Standard for Portable Automotive Service Equipment
Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24, Metric/Inch Standard
Welding, Brazing, and Fusing Qualifications
Buttwelding Ends
Pressure Relief Devices
Safety Standard for Belt Manlifts
Hydrogen Piping and Pipelines
Metallic Gaskets for Pipe Flanges
Large Metallic Valves for Gas Distribution x Manually Operated, NPS 21 ⁄ 2 (DN 65) to NPS 12 (DN 300), 125 psig (8.6 bar) Maximum
Safety Standard for Thermal Energy Storage Systems: Molten Salt
Standard Heat Treatments for Piping
Performance Standard for Air Chain Hoists
Operation and Maintenance of Nuclear Power Plants
Safety Standard for Pressure Vessels for Human Occupancy
Unified Inch Screw Threads (UN, UNR, and UNJ Thread Forms)
Reliability, Availability, and Maintainability of Equipment and Systems in Power Plants
Surface Texture (Surface Roughness, Waviness, and Lay)
Prevention of Water Damage to Steam Turbines Used for Electric Power Generation: Fossil Fueled Plants
Dryseal Pipe Threads, Inch
Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings
Taps: Ground Thread With Cut Thread Appendix (Inch And Metric Sizes)
Manually Operated Metallic Gas Valves for Use in Aboveground Piping Systems Up to 5 psi
Hinge Type Flat Top Conveyor Chains and Sprocket Teeth
Granite Surface Plates
Combination, "H"-Type Mill Chains, and Sprockets
Manufactured Safety Vacuum Release Systems (SVRS) for Residential and Commercial Swimming Pool, Spa, Hot Tub, and Wading Pool Suction Systems
Electrical Power Measurements
Gas Turbine Heat Recovery Steam Generators
Safety Standard for Platform Lifts and Stairway Chairlifts
Standard for Level 1/Large Early Release Frequency Probabilistic Risk Assessment for Nuclear Power Plant Applications
Enamelled cast iron and enamelled steel plumbing fixtures
Reinforced Thermoset Plastic Corrosion-Resistant Equipment
Safety Code for Existing Elevators and Escalators
Pressure Relief Devices
Manually Operated Metallic Gas Valves for Use in Gas Piping Systems up to 175 psi
Safety Standard for Belt Manlifts
Standard Heat Treatments for Piping

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Frequently Asked Questions

A standard enhances the safety of industry operations, assures quality, and help keep costs down to reduce waste and minimise confusion.

The American Society of Mechanical Engineers has the responsibility for developing and maintaining ASME Standards, enabling collaboration, knowledge sharing, and skill development across all engineering disciplines, while promoting the vital role of the engineer in society. ASME codes and standards, publications, conferences, continuing education, and professional development programs provide a foundation for advancing technical knowledge and a safer world.

Often mistaken as a government body, The American Society of Mechanical Engineers is an independent non-governmental organisation with over 85,000 members in over 135 countries.   

Alongside its role as the leading organisation for standard development and contribution to international standards, the American Society of Mechanical Engineers is involved with various industries and has an evolving portfolio across pressure technology, power plants, elevators, construction equipment, piping, nuclear components, and more. These standards contribute to the positive impact on safety, quality, and efficiency in industries worldwide.  

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