Technological Innovation

Is ANSI and ASME the same?


In the field of technical standards, two acronyms often come up - ANSI and ASME. Many people assume that they are interchangeable or refer to the same organization. However, in reality, there are significant differences between ANSI (American National Standards Institute) and ASME (American Society of Mechanical Engineers).

ANSI: Setting the Standards

ANSI is a private non-profit organization that oversees the voluntary consensus standards for products, services, processes, systems, and personnel in the United States. It acts as an intermediary between private industry, government agencies, and other standard-setting organizations. ANSI is responsible for accrediting organizations that develop American National Standards (ANS).

ANSI facilitates the development of standards across various industries, including engineering, technology, healthcare, and more. These standards ensure safety, interoperability, and conformity, thereby benefiting industry stakeholders, consumers, and the public at large.

ASME: Focusing on Mechanical Engineering

ASME, on the other hand, is specifically focused on mechanical engineering standards. It is a professional association founded in 1880, dedicated to promoting the art, science, and practice of mechanical and multidisciplinary engineering around the globe.

ASME develops codes and standards that provide guidelines for design, manufacture, inspection, testing, maintenance, and operation of mechanical systems. These standards cover a wide range of industries, including power plants, pressure vessels, pipelines, elevators, cranes, and many others.

The Differences

While both ANSI and ASME contribute to the establishment of standards, there are some key differences between them.

1. Scope: ANSI covers a wide range of industries, whereas ASME is primarily focused on mechanical engineering.

2. Accreditation: ANSI accredits organizations to develop standards, while ASME develops and publishes the standards itself.

3. Specificity: ANSI provides a broader platform for consensus-based standards development. ASME focuses heavily on mechanical engineering and related disciplines.


In conclusion, ANSI and ASME are two distinct entities with different roles in the standards development process. While ANSI sets standards across various industries, ASME specifically focuses on mechanical engineering. Understanding the differences between ANSI and ASME helps to ensure compliance with the appropriate standards in specific industries.



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