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Standard Organizations

National and International organizations producing codes and standards - ANSI, ISO, DIN, BSi and more

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ACI - American Concrete Institute

American Concrete Institute

ANSI - American National Standards Institute

ANSI provides a forum for development of American national standards

API - American Petroleum Institute

The American Petroleum Institute - API

ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers

ASHRAE Standards

ASME - American Society of Mechanical Engineers

ASME is one of the leading organizations in the world developing codes and standards

ASPE - American Society of Plumbing Engineers

International organization for professionals skilled in the design, specification and inspection of plumbing systems

ASTM - Sections and Volumes

ASTM standards in sections and volumes

ASTM International

ASTM International - American Society for Testing and Materials - is a scientific and technical organization that develops and publishes voluntary standards on the characteristics of material, products, systems and services

BSi - British Standards institute

British Standards institute - BSi

CEN - The European Committee for Standardization

The European Committee for Standardization (CEN)

DIN - Deutsches Institut für Normung

DIN - the German Institute for Standardization

ETSI European Telecommunications Standards Institute

Globally applicable standards for Information and Communications Technologies (ICT)

International Standard Organizations

Some international standard organizations

ISO - International Organization for Standardization

ISO - the International Organization for Standardization

JIS - Japanese Industrial Standards

Japanese Standards Association - JSA

NACE International

The corrosion engineering and science community

National Standards Organizations

Some National Standards Organizations

NEC - National Electrical Code

National Electrical Code

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NEMA - National Electrical Manufacturers Association

National Electrical Manufacturers Association

NFPA - National Fire Protection Association

The U.S. authority on fire, electrical and building safety

NIST - National Institute of Standards and Technology

National Institute of Standards and Technology - NIST

SMACNA - Sheet Metal and Air Conditioning Contractors National Association

SMACNA - Sheet Metal and Air Conditioning Contractors National Association

Standard test methods (ASTM and others) and specifications for petroleum products

An overview of common test methods and specifications of petroleum fuels. What, why and how do the different test?

Standard test methods (ASTM and others) for crude oil properties

An overview of common test methods and typical ranges of variation of petroleum quality parameters. What, why and how do the different test?

Transnational and Continental Standards Organizations

Some transnational and continental standards organizations

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Unit Converters

Temperature

oC
oF


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Length

m
km
in
ft
yards
miles
naut miles


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Area

m2
km2
in2
ft2
miles2
acres


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Volume

m3
liters
in3
ft3
us gal


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Weight

kgf
N
lbf


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Velocity

m/s
km/h
ft/min
ft/s
mph
knots


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Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O


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Flow

m3/s
m3/h
US gpm
cfm


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