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1884 Formation of a committee on Performance Test
1884 Code for the Conduct of Trials of Steam
Boilers, report issued.
1887 Standard for the Diameter and Overall
Dimensions of Pipe and Its Threaded Ends report issued.
May 1889 Mr. James W. See, a member of the
Society, called attention to the great need for the registration of
standards and proposed that steps be taken to have the U.S.
Government setup a Bureau of Standards to operate similarly to the
Standard Flange Templates report issued.
Society policy set on ASME sanctioned “Standards”,
reports can be called “Standards” and are to be revised
1899 Standard for Divergences in Flange
Standard for Pipe Unions issued.
1901 Rules for Conducting Tests of Gas and
1901 Test Code for Internal-Combustion
March 1901 The organization of the National
Bureau of Standards was authorized by Congress. Today, this
organization is known as the National Institute of Standards and
1902 Rules for Conducting Steam-Engine
1907 Standard Proportions for Machine
The formation of the Committee on Power Tests, forerunner to the
Standardization and Testing Board (combining with the Standardization
Formation of a committee to update, revise, unify and standardize
all the present codes of the Society.
Formation of a committee on Standardization, forerunner to the
Standardization and Testing Board (combining with the Performance
Test Codes Committee).
September 1911 Formation of a committee to
formulate a uniform set of standard specifications for the
construction of steam boilers and pressure vessels, later to be known
as the Boiler and Pressure Vessel Code Committee.
1914 Standard for Pipe Flanges, Fittings, and
Their Bolting issued, the forerunner to the B16 standards.
December 1914 Standards for
Cross-Sections issued, precursor to the Y14 standards.
1915 Formation of the Conformity Assessment
Certification Program, starting specifically with the Boiler and
Pressure Vessel Code.
Spring 1915 Rules for the Construction of
Stationary Boilers and for Allowable Working Pressures (1914)
first issuance of what is later known as the Boiler and Pressure
The procedure to be followed in making interpretations and cases
of the Boiler Code was formulated. (1)
Formation of a Conference Committee for the Boiler and Pressure
Vessel Code, to be composed solely of representatives appointed by
states or municipalities that had adopted, or would be adopting, the
December 1916 Code of Safety Standards for
Cranes issued, precursor to the B30 standards.
American Engineering Standards Committee (AESC) (later to be known
as ANSI) formed.
As a result of problems experienced during World War I, ASME
formed a Special Technical Committee on Screw Threads and Threaded
Parts, later known as the B1 Screw Threads Committee.
February 1919 The establishment of The National
Board of Boiler and Pressure Vessel Inspectors. This Board has
functioned to administer uniformly and to enforce the rules of the
Boiler and Pressure Vessel Code.
Formation of a committee on standardization of pipe flanges and
fittings, later known as the B16 Standardization of Valves, Flanges,
Fittings, and Gaskets Committee.
Boiler and Pressure Vessel Code Section III Boilers for
Locomotives first issuance. (With the 1962 edition, this section
was integrated into section I and the section III designation was
January 1921 Safety Code for Elevators first issuance, later to be
known as A17.1.
1922 Boiler and Pressure Vessel Code Section V
Miniature Boilers first issuance. (With the 1962 edition,
this section was integrated into section I and the section V
designation was later reassigned.)
January 1922 Formation of the A17 Elevators and
Formation of the B18 Standardization of Bolts, Nuts, Rivets,
Screws, Washers, and Similar Fasteners Committee.
The Boiler Code Committee directed that a new consecutive number
be issued to each company holding a stamp for the purpose of
September 1922 Formation of the B5 Machine Tools
Formation of a committee on Safety, forerunner to the Safety
1923 Boiler and Pressure Vessel Code Section IV
Low Pressure Heating Boilers first issuance.
Boiler and Pressure Vessel Code Section II Material
Specifications first issuance. (Until 1924, materials were
included as part of section I.)
B1a American Standard Screw Threads for Bolts, Machine Screws,
Nuts and Commercially Tapped Holes first issuance.
1925 Boiler and Pressure Vessel Code Section VIII
Unfired Pressure Vessels first issuance. (With the 1968
edition, this title was changed to Rules for Construction of Pressure
Vessels, Division 1.)
Formation of the Y14
Engineering Drawing and Related Documentation Practices Committee.
Formation of the B30 Cableways, Cranes, Derricks, Hoists, Hooks,
Jacks, and Slings Safety Committee.
March 1926 Formation of the B31 Pressure Piping
PTC 4 Test Code for Stationary Steam Generating Units
B16e Steel Pipe Flanges and Flanged Fittings first
issuance, precursor to and redesignated B16.5 in 1953.
American Engineering Standards Committee, AESC, reorganized as the
American Standards Association, ASA, (later to be known as the
American National Standards Institute, ANSI).
PTC 6 Test Code for Steam Turbines first issuance.
October 1928 The certification stamp used on
vessels built and inspected under the Boiler and Pressure Vessel Code
was altered, from the clover leaf with the letter S for all vessels
by the clover leaf with S, L, H, M, or U to designate the section of
the Boiler and Pressure Vessel Code under which it was inspected.
Formation of the Advisory Board of Standards and Codes, consisting
of a chairman from the ASME Council and one member from each of the
following committees: Boiler Code, Standardization, Power Test Codes,
B31.1 Code for Pressure Piping first issuance.
1937 A17 American Recommended Practice for the Inspection of
Elevators Inspectors Manual first issuance.
Boiler and Pressure Vessel Code Section IX Welding
Qualifications first issuance. (This section was originally a
supplement to section VIII, but with the 1941 edition the section was
September 1938 Adoption of the Boiler and
Pressure Vessel Code by Canada.
August 1942 At the request of the War Production
Board, a special war committee was appointed and, functioning under
War Standards Procedure, developed revised pressure temperature
ratings for all pressure classes for steel pipe flanges and flanged
fittings with the object of conserving essential war materials during
the emergency of World War II. These revised ratings were published
as American War Standard, B16e5-1943.
B30.2 Safety Code for Cranes, Derricks, and Hoists first
Formation of the PTC 22 Gas Turbine Power Plants Committee.
International Organization for Standardization (ISO) formed
The Boiler and Pressure Vessel Committee recommended to the ASME
Performance (then Power) Test Codes Committee that a code be prepared
on the testing of safety and relief valves. This request resulted in
the publication of PTC 25 Pressure Relief Devices.
PTC 22 Gas Turbine Performance Test Code first
August 1954 The Atomic Energy Act of 1954
reversed the government monopoly and permitted the commercial use of
atomic energy technology. Soon after, the US AEC began the task of
writing regulation and devising licensing procedures for
manufacturers and utility owners. The need for codes and standards in
commercial nuclear power was created.
1955 Due to the very extensive developments in
the elevator design and construction, the A17 Elevators and
Escalators Committee decided that the A17.1 standard should be
completely rewritten and brought up to date.
1955 The Boiler and Pressure Vessel Committee
appointed a special committee on nuclear power, the predecessor to
the Boiler and Pressure Vessel Code Section III Committee.
July 1955 Formation of the A112 Plumbing
Materials and Equipment Committee.
1956 The first coverage for nuclear power came in
the form of Boiler and Pressure Vessel Code Cases. (1)
1963 Boiler and Pressure Vessel Code Section III Nuclear
Vessels first issuance.
February 1963 Formation of the B89 Dimensional
Conformity Assessment included nuclear vessels in its
1967 Formation of the N45 Reactor Plants
Committee (Later to be the Boiler and Pressure Vessel Section XI
Boiler and Pressure Vessel
Code Section VIII Division 2 Alternative Rules for Construction
of Pressure Vessels first issuance.
1968 Boiler and Pressure Vessel Code Section X
Fiber-Reinforced Plastic Pressure Vessels first
Code for Pumps and Valves for Nuclear Power first
Issuance. (The standard would later be incorporated into section
Conformity Assessment moved to a new “quality based
system” for its certification programs, ASME gets involved in
American Standards Association, ASA, reorganized as the United
States of America Standards Institute, USASI, (later to be known as
the American National Standards Institute, ANSI)
1968 The Federal government decided to use the
ASME voluntary codes and standards for the regulation of
The N45 Reactor Plants Committee formed a committee on Quality
Assurance Program Requirements, N45-3 (later to be called N45.2).
This Committee was the precursor to the Nuclear Quality Assurance
October 1969 United States of America Standards
Institute, USASI, reorganized as the American National Standards
Boiler and Pressure Vessel Code Section XI Rules for Inservice
Inspection of Nuclear Power Plant Components first issuance.
Boiler and Pressure Vessel Code Section VI Recommended Rules
for Care and Operation of Heating Boilers first issuance.
Boiler and Pressure Vessel Code Section V Nondestructive
Examination first issuance.
Boiler and Pressure Vessel Code Section III Nuclear
Vessels was completely revised and entitled Nuclear Power
N45.2 Quality Assurance Program Requirements for Nuclear Power
Plants first issuance. The first quality assurance standard
published and would later be incorporated into NQA-1 Quality
Assurance Requirements for Nuclear Facility Applications.
The N45 Reactor Plants Committee formed a committee to develop
standards for high reliability air cleaning equipment for nuclear
facilities, N45.8. This Committee would later evolve into the Nuclear
Air and Gas Treatments (CONAGT) Committee.
ASME expanded its Conformity Assessment accreditation program from
North America (United States of America and Canada) to the rest of
Congress passed the Energy Reorganization Act which divided the US
AEC into the U.S. Energy Research and Development Administration and
the modern-day U.S. Nuclear Regulatory Commission (NRC).
B18 Standardization of Bolts, Nuts, Rivets, Screws, Washers, and
Similar Fasteners Committee authorized the preparation of a series of
standards for metric fasteners.
Formation of the Nuclear Power Codes and Standards Supervisory
Committee (now known as the Nuclear Board).
Formation of the Operation and Maintenance of Nuclear Power Plants
Formation of the Committee on Cranes for Nuclear Power Plants
(later to be Facilities).
Formation of the Nuclear Air and Gas Treatment (CONAGT)
NQA-1 Quality Assurance Program Requirements for Nuclear Power
Plants first issuance.
Issuance of the OMB Circular A-119, Federal Participation in the
Development and Use of Voluntary Standards. Federal government moves
out of the standards writing business and turn the job over to the
private sector to maximum extent possible.
Formation of the Elevator Inspector Certification Organizations
Formation of the Qualification of Mechanical Equipment in Nuclear
Power Plants (QME) Committee.
ASME Boiler and Pressure Vessel Code issued in both conventional
and metric units.
QEI-1 Standard for the Qualification of Elevator
Inspectors first issuance.
AG-1 Code on Nuclear Air and Gas Treatment first
The Operation and Maintenance of Nuclear Power Plants Committee
consolidated their five previously published standards into a single
standard Operation and Maintenance of Nuclear Power Plants
Formation of the Y14.5.2 Subcommittee on Certification. The
Subcommittee was instructed to develop a standard that could be used
as the basis of an ASME Program for Certification of Geometric
Dimensioning and Tolerancing Professionals (GDTP).
Boiler and Pressure Vessel Code published on CD-ROM.
Formation of the Bioprocessing Equipment Standards Committee
Formation of the Overall Power Plant Performance Committee (PTC
Authorized Inspection Agencies (AIAs) have been required to be
accredited by ASME for nuclear applications.
QME-1 Qualification of Active Mechanical Equipment Used in
Nuclear Power Plants first issuance.
QHO-1 Qualification and Certification of Hazardous Waste
Incinerators first issuance.
Formation of the Post Construction Committee (PCC).
The US NRC adopted a policy statement that encouraged the broad
application of Probabilistic Risk Assessment (PRAs) in the regulatory
Y14.5.1M Mathematical Definition of Dimensioning and
Tolerancing first issuance. (Created explicit definitions for
use in such areas as Computer Aided Design (CAD) and Computer Aided
Y14.5.2 Certification of Geometric Dimensioning and
Tolerancing Professionals first issuance. ASME established
Geometric Dimensioning and Tolerancing Professional (GDTP)
Bioprocessing Equipment Standard (BPE) first issuance.
Boiler and Pressure Vessel Code Section VIII, Division 3
Alternative Rules for Construction of High Pressure Vessels
1997 Authorized Inspection Agencies (AIAs) have
been required to be accredited by ASME for boilers and pressure
PTC 46 Performance Test Code on Overall Plant Performance
Formation of the Nuclear Risk Management (CNRM) Committee to
develop a PRA standard.
PCC-1 Guidelines for Pressure Boundary Bolted Flange Joint
Assembly first issuance.
September 2000 C&S Connect (online balloting
and tracking system) launched for Boiler and Pressure Vessel
Formation of a joint ASME and American Petroleum Institute
Fitness-For-Service Joint Committee to develop and maintain a
Fitness-For-Service standard, API 579-1/ASME FFS-1
Fitness-For-Service, for equipment operated in a wide range
of process, manufacturing and power generation industries.
RA-S Standards for Probabilistic Risk Assessment for Nuclear
Power Plant Applications first issuance, ASME’s first risk
Boiler and Pressure Vessel Code Section XII Rules for
Construction and Continued Service of Transport Tanks first
The ASME Nuclear Board and American Nuclear Society (ANS) Standard
Board mutually agreed to form a Nuclear Risk Management Coordinating
ASME Standards Technology, LLC (ASME ST-LLC) established as a
separate not-for-profit organization, with the mission of providing
ASME’s standards development committees with the technical
basis necessary to develop new products for emerging
A112.18.1/CSA B125.1, Plumbing Supply Fittings issued, a
fully bi-national standard between ASME A112 Plumbing Materials and
Equipment Committee and the CSA B125 Plumbing Fittings Technical
V&V 10 Guide for Verification and Validation in
Computational Solid Mechanics first issuance.
Formation of the ASME Asia Pacific LLC and a representative
office was opened in Beijing, China, to advance understanding and use
of ASME codes, standards, and related conformity assessment
A17.7/CSA B44.7, Performance Based Safety Code for Elevators
and Escalators issued, a fully bi-national standard between ASME
A17 Elevator and Escalator Committee and the CSA B44 Elevator Safety
Code Technical Committee.
2007 and 2008 The Shanghai Power Equipment Research Institute, working in
agreement with ASME, translated Boiler and Pressure Vessel Code
Sections III and XI into the Chinese language.
Conformity Assessment reached a milestone of certifying more than
5,000 manufacturers in 75 nations.
Formation of the Committee on Reliability, Availability, and
Maintainability of Power Plants (RAM).
July 2010 Addenda subscription no longer being
used in ASME standards.
Debut of a new online system (CA Connect) to process Conformity
Assessment product certifications.
Boiler and Pressure Vessel Certification moves from 28 separate
ASME product certification marks to a single comprehensive mark.
Formation of the Committee on Nonmetallic Pressure Piping
Beginning of (BPE) Bioprocessing Equipment Certification
RAM-1 Reliability, Availability, and Maintainability of Equipment
and Systems in Power Plants first issuance.
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