Monday, February 7, 2011




Founded in 1880 as the American Society of Mechanical Engineers, ASME is a not-for-profit professional organization promoting the art, science and practice of mechanical and multidisciplinary engineering and allied sciences. ASME develops codes and standards that enhance public safety, and provides lifelong learning and technical exchange opportunities benefiting the global engineering and technology community. ASME has more than 127,000 members worldwide.


To be the premier organization for promoting the art, science and practice of mechanical and multidisciplinary engineering and allied sciences to our diverse communities throughout the world.

Mission Statement
To promote and enhance the technical competency and professional well-being of our members, and through quality programs and activities in mechanical engineering, better enable its practitioners to contribute to the well-being of humankind.

ASME Core Values
In performing its mission, ASME adheres to these core values:

•Embrace integrity and ethical conduct
•Embrace diversity and respect the dignity and culture of all people
•Nurture and treasure the environment and our natural and man-made resources
•Facilitate the development, dissemination and application of engineering knowledge
•Promote the benefits of continuing education and of engineering education
•Respect and document engineering history while continually embracing change
•Promote the technical and societal contribution of engineers

ASME Credo

Setting the Standard... Engineering Excellence Knowledge, Community & Advocacy
...for the benefit of humanity


A standard can be defined as a set of technical definitions and guidelines, "how to" instructions for designers, manufacturers and users. Standards promote safety, reliability, productivity and efficiency in almost every industry that relies on engineering components or equipment. Standards can run from a few paragraphs to hundreds of pages, and are written by experts with knowledge and expertise in a particular field who sit on many committees.

Are standards mandatory ?
Standards are considered voluntary because they serve as guidelines, but do not of themselves have the force of law. ASME cannot force any manufacturer, inspector, or installer to follow ASME standards. Their use is voluntary.

Standards become mandatory when they have been incorporated into a business contract or incorporated into regulations.

What is a code ?
A code is a standard that has been adopted by one or more governmental bodies and has the force of law.

Why are standards effective ?
Standards are a vehicle of communication for producers and users. They serve as a common language, defining quality and establishing safety criteria. Costs are lower if procedures are standardized; training is also simplified.

Interchangeability is another reason. It is not uncommon for a consumer to buy a nut in California for a bolt purchased in New Jersey.

Source for this page: ASME International Home Page



Organized in 1898, ASTM International is one of the world′s largest international standards developing organizations.

At ASTM International, producers, users, consumers, and others from all over the world join together to develop voluntary consensus standards. ASTM standards are developed under a process that embraces the World Trade Organization Technical Barriers to Trade Agreement principles. The ASTM standards development process is open and transparent, allowing individuals and governments to participate directly, and as equals, in a global consensus decision.


Thirty thousand ASTM members from 125 countries bring their technical expertise to the development of ASTM′s 12,000 international standards. These standards are used and accepted worldwide and cover areas such as metals, paints, plastics, textiles, petroleum, construction, energy, the environment, consumer products, medical services and devices, and electronics.

The open process in which ASTM standards are developed is one reason why so many and such a broad range of industries have done their diverse standards development work within ASTM International.
Professionals from all over the globe participate in the ASTM system which recognizes technical expertise, not country of origin. With a high level of technical quality at the core of the ASTM standard, almost 50 percent of ASTM standards are distributed outside the United States.

To facilitate broad global input, ASTM International uses online technologies that encourage open participation and responsiveness to industry needs. They include Internet-based Standards Development Forums enabling 24/7 access worldwide, on-line balloting, electronic minutes and templates, virtual meetings, and state-of-the- art distribution methods.

In addition to this accommodating standards development atmosphere, ASTM International provides services that expand the knowledge and application of standards. ASTM′s programs include symposia, proficiency testing programs, publications in a variety of formats, and technical training courses. ASTM publishes a monthly magazine, Standardization News, which covers the topic of standards development around the world.

The standards of ASTM International are used in research and development, quality systems, product testing and acceptance, and commercial transactions all around the globe. They are integral components of today′s competitive business strategies.

The Annual Book of ASTM Standards for Steel consists of 8 volumes. It contains formally approved ASTM standard classifications, guides, practices, specifications, test methods and terminology and related material such as proposals. These terms are defined as follows in the Regulations Governing ASTM Technical Committees.


•Steel Pipes, Tubes and Fittings
•Steel Plates for General Structure
•Steel Plates for Boiler and Pressure Vessels
•Steels for Machine Structural Use
•Steels for Special Purposes

The following data is given for each standard:

•Standard number and year
•Chemical composition
•Mechanical properties (yield point, tensile strength, notch toughness)

When deemed useful, steel type, manufacturing method, thickness of plate, heat treatment, and other data are described.

Source for this page: ASTM International Home Page



Officially founded in 1924, the Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry is a non-profit technical association organized for development and improvement of industry, national and international codes and standards for:

Valves - Valve Actuators - Pipe Fittings - Valve Modification - Flanges - Pipe Hangers
and Associated Seals

The primary function of MSS is to provide its members the means to develop engineering standard practices for the use and benefit of the industry and users of its products. The Society, the only organization dedicated solely to the technical needs of the industry, is currently comprised of 25 technical committees to write, revise and reaffirm industry standards.

In its leadership role, the Society also contributes to and monitors code and standard development activities worldwide. MSS, in cooperation with other standardizing bodies, appoints representatives to other standardization organization committees to share the views and objectives of the Society.

Standards organizations in which MSS currently participates include, but are not limited to, the American Society of Mechanical Engineers (ASME), American National Standards Institute (ANSI), American Society for Testing and Materials (ASTM), American Petroleum Institute (API), American Waterworks Association (AWWA) and the National Fire Protection Association (NFPA).

At the international level, MSS representatives have served as leaders in U.S. delegations in many of the meetings of ISO working groups, subcommittees, and main committees addressing applicable areas of interest.


Cast Iron Valves Non-Ferrous Industrial Valves
Underwriter Valves Ball Valves
Water Works Valves & Fittings Plastic Valves & Fittings
Steel Valves Diaphragm Valves
Butterfly Valves Instrument Valves
Fuel Gas Valves Ftgs & Pipe Comp
Flanges & Fittings
Iron Flanges & Flanged Fittings Steel Flanges & Flanged Fittings
Forged Steel Fittings Non-Ferrous Fittings & Flanges
Ferrous Threaded Fittings Wrought Welding Fittings
Actuators & Pipe Hangers
Pipe Hangers
Valve Actuators

Marking & Terminology
Quality Standards
Valve Operation
Packings & Gaskets
Valve Modification

Source for this page: MSS Home Page



The American Petroleum Institute (API) is the only national trade association that represents all aspects of America′s oil and natural gas industry. Their nearly 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

Although their focus is primarily domestic, in recent years their work has expanded to include a growing international dimension, and today API is recognized around the world for its broad range of programs.

We speak for the oil and natural gas industry to the public, Congress and the Executive Branch, state governments and the media. We negotiate with regulatory agencies, represent the industry in legal proceedings, participate in coalitions and work in partnership with other associations to achieve our members′ public policy goals.

Research and Statistics
API conducts or sponsors research ranging from economic analyses to toxicological testing. And we collect, maintain and publish statistics and data on all aspects of U.S. industry operations, including supply and demand for various products, imports and exports, drilling activities and costs, and well completions. This data provides timely indicators of industry trends. API′s Weekly Statistical Bulletin is the most recognized publication, widely reported by the media.

Illustration of oil rig platform by Tracey Saxby
IAN Image Library (

For more than 75 years, API has led the development of petroleum and petrochemical equipment and operating standards. These represent the industry′s collective wisdom on everything from drill bits to environmental protection and embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. API maintains more than 500 standards and recommended practices. Many have been incorporated into state and federal regulations; and increasingly, they′re also being adopted by the International Organization for Standardization, a global federation of more than 100 standards groups.

Each day, the oil and natural gas industry depends on equipment to produce, refine and distribute its products. The equipment used is some of the most technologically advanced available in the search for oil and gas and allows the industry to operate in an environmentally safe manner. Designed for manufacturers of production, drilling, and refinery equipment, the API Monogram Program verifies that manufacturers are operating in compliance with industry standards. API also provides quality, environmental, and occupational health and safety management systems certification through APIQR. This service is accredited by the ANAB (ANSI-ASQ National Accreditation Board) for ISO 9001 and ISO 14001. Let APIQR′s industry expertise certify your organization to API Spec Q1, ISO/TS 29001 and OHS 18001.

API also certifies inspectors of industry equipment through our Individual Certification Programs, designed to recognize working professionals who are knowledgeable of industry inspection codes and are performing their jobs in accordance with those codes. Through our Witnessing Programs, API provides knowledgeable and experienced witnesses to observe critical material and equipment testing and verification. API′s Training Provider Certification Program provides third-party certification for a variety of oil and gas industry training courses, further ensuring that any training provided meets industry needs.

For consumers, API provides the API′s Engine Oil Licensing and Certification System (EOLCS). It is a voluntary licensing and certification program that authorizes engine oil marketers who meet specified requirements to use the API Engine Oil Quality Marks. These emblems go directly on each container of oil that retains the certification for and is there to help consumers identify quality engine oils for their gasoline- and diesel-powered vehicles

API organizes seminars, workshops, conferences and symposia on public policy issues. Through API University, we provide training materials to help people in the oil and natural gas business meet regulatory requirements and industry standards. To prepare the next generation of Americans to make informed decisions or pursue careers in our industry, we work with the National Science Teachers Association and other educational groups to impart scientific literacy and develop critical thinking skills in the classroom. Resources developed specifically for teachers and students include Energy & Society, a multi-disciplinary K-8 curriculum program, and, informative and interactive educational resources in one easy-to-use location.

API′s mission is to influence public policy in support of a strong, viable U.S. oil and natural gas industry essential to meet the energy needs of consumers in an efficient, environmentally responsible manner.
As the U.S. oil and natural gas industry′s primary trade association, API:
Engages in federal and state legislative and regulatory advocacy that is based on scientific research; technical legal and economic analysis; and public issues communication.
Provides an industry forum to develop consensus policies and collective action on issues impacting its members.

Works collaboratively with all industry oil and gas associations, and other organizations, to enhance industry unity and effectiveness in its advocacy.
API also provides the opportunity for standards development, technical cooperation and other activities to improve the industry′s competitiveness through sponsorship of self-supporting programs.

Source for this page: API Home Page

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