ANSI - American National Standards Institute
ANSI provides a forum for development of American national standards.
The American National Standards Institute - ANSI - is a private, non-profit organization that administers and coordinates the U.S. voluntary standardization and conformity assessment system.
ANSI provides a forum for development of American national standards from organizations as
- ASME - American Society of Mechanical Engineers
- NFPA - National Fire Protection Association and more,
and serves as a coordination point for national distribution of international standards issued from organizations as
- ISO - International Organization for Standardization,
- DIN - Deutsches Institut für Normung eV,
- IEC - International Electro technical Commission and others.
Many of committees are chaired and sponsored by engineering societies such as
- ASME - American Society of Mechanical Engineers and
- IEEE - Institute of Electrical and Electronics Engineers.
Safety is the basic objective in the standards developed by ANSI. The ANSI standards include prohibition for practices considered unsafe.
Some of the ANSI codes may eventually become known as ASME standards - as the ANSI B31 Pressure Piping Code is changed to ASME B31.
Related Topics
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Piping Codes and Standards
Piping and tubes codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more. -
Standard Organizations
National and International organizations producing codes and standards - ANSI, ISO, DIN, BSi and more.
Related Documents
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ANSI B1.20.1 - NPT - American National Standard Taper Pipe Threads
NPT and NPTF pipe threads - dimensions according ANSI/ASME B1.20.1/3. -
ANSI B16.5 - Steel Pipe Flanges - Pressure and Temperature Ratings - Group 1.2.
Pressure (psig) and temperature ratings for steel pipe flanges and flanged fittings -
ANSI Schedule 40 Steel Pipes - Dimensions
Internal and external diameters, areas, weights, volumes and number of threads for ANSI schedule 40 steel pipes. -
ANSI Schedule 80 Steel Pipes - Dimensions
Internal and external diameters, areas, weights, volumes and number of threads for schedule 80 steel pipes. -
ASME B31 Pressure Piping - Overview
A survey of one of the most important pressure pipe codes - ASME B31, earlier known as ANSI B31. -
ASME/ANSI B16 Standards for Pipes and Fittings
The ASME B16 standards covers pipes and fittings in cast iron , cast bronze, wrought copper and steel. -
ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel Pipes - Dimensions
Pipe sizes, inside and outside diameters, wall thickness, schedules, moment of inertia, transverse area, weight of pipe filled with water - U.S. Customary Units. -
Carbon and Stainless Steel Flanges - ASME/ANSI Class 150
ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 150 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. -
Carbon and Stainless Steel Flanges - ASME/ANSI Class 300
ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 300 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. -
Cast Iron Flanges - ASME/ANSI Class 125
ASME/ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings - Class 125 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. -
Cast Iron Flanges - ASME/ANSI Class 25
ASME/ANSI B16.1 - 1998 - Cast Iron Pipe Flanges and Flanged Fittings - Class 25 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. -
Cast Iron Flanges - ASME/ANSI Class 250
ASME/ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings - Class 250 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. -
Download ANSI, American National Standards Institute, Standards
ANSI is a private, not-for-profit, membership organization that acts not as a standards developer, but as a standards coordinating and approval body. -
Flanges - ASME/ANSI B16.5 Flanges and Bolt Dimensions - Class 150 to 2500
Diameters and bolt circles for standard ASME B16.5 flanges - 1/4 to 24 inches - Class 150 to 2500. -
Paper Drafting Sizes - Comparing ISO and U.S. Drawing Sheets
ISO vs. U.S. and Canadian drawing sheets. -
Pipe Class Ratings vs. Pressure Numbers (PN)
Pressure numbers (PN) vs. flange class designations. -
Piping - Codes & Standards
Piping codes and standards. -
Scientific and Engineering Terms - ANSI Abbreviations
Abbreviations for Use on Drawings and in Text - ANSI Y1.1. -
Stainless Steel Pipes - Dimensions and Weights
Dimensions, wall thickness and weights of stainless steel pipes according to ASME B36.19 Stainless Steel Pipes. -
UNC and UNF - Unified Coarce and Unified Fine Inch Threads
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series. -
US Standard Engineering Drawing Sizes
US engineering drawing sizes based on ANSI/ASME Y14.1.
