Codes & Standards

Piping codes, standards, specifications and their practical application in piping design and engineering.

Piping Codes

Key piping codes and their role in establishing requirements for design, materials, fabrication, testing and inspection.

ASME Standards

Practical guidance on relevant ASME codes and standards used in piping design, engineering and fabrication.

European Standards

EN and related European standards relevant to piping systems, materials, components and engineering requirements.

Project Specifications

Client and project-specific requirements that supplement codes, standards and engineering design requirements.

Material & Component Standards

Standards governing pipe, fittings, flanges, valves, materials and other piping components.

Code Application & Compliance

Applying codes and standards to design decisions, engineering deliverables, reviews and compliance requirements.

Articles

Blog 1G: What does a Piping Material Engineer need to know?

The term “Piping Material Engineer” as used in this document refers to that person responsible for the development and maintenance of all Specifications related to…
Blog 1P: Fitting to Fitting

The following statement was made in a communication about welding two fittings directly to each other. This situation also applies to a fitting welded to…
Flange Tools – Downloads

Tools available for downloads, in relation to Flange articles. Title Description Format Flange Comparison Chart A spreadsheet showing the comparisons between flange standards .xls Flange Data…
Flanges

A flange is defined as a plate type device, normally round, that is attached to the end of a pipe, fitting, valve or other object…
High Purity Terms & Definitions

High-purity and hygienic piping systems use terminology that is specific to pharmaceutical, biotechnology and other controlled-process environments. This glossary provides a practical reference for commonly…
piping codes & standards

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Section 16: Dimensional Data

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Standards 01: ASME/ANSI B16 – Standards of Pipes and Fittings

The ASME B16 Standards covers pipes and fittings in cast iron , cast bronze, wrought copper and steel The ASME – American Society of Mechanical Engineers – ASME/ANSI…
Standards 02: ASTM International – ASTM International – American Society for Testing and Materials

ASTM International – American Society for Testing and Materials – is a scientific and technical organization that develops and publishes voluntary standards on the characteristics…
Standards 03: ASTM International – Standards for Steel Pipes, Tubes and Fittings

The ASTM standards covers various types of steel pipes, tubes and fittings for high-temperature service, ordinary use and special applications such as fire protection use.…
Standards 04: ASTM International – Volume 01.01 Steel – Piping, Tubing, Fittings

The ASTM International Volume 01.01, January 2002 Steel – Piping, Tubing, Fittings – features standards for various types of steel pipes specifying requirements for high-temperature…
Standards 05: Bronze Flanges – ASME/ANSI 150 lb

Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16.15 – Cast Bronze Threaded Fittings – 150 lb Bronze flanges with plain…
Standards 06: Bronze Flanges – ASME/ANSI 300 lb

Flange diameters, thickness, bolt circles, numbers and diameter of bolts for ASME/ANSI B16.15 – Cast Bronze Threaded Fittings – 300 lb Bronze Flanges with plain…
Standards 07: BSi – Pipe, Tube and Fittings Standards and Specifications

British standards and specifications for pipe, tube and fittings Industrial pipe, tube and fittings standards and specifications from the BSi – British Standards Institute: BS…
Standards 08: Steel Classification

Steels can be classified by a variety of different systems depending on: The composition, such as carbon, low-alloy or stainless steel. The manufacturing methods, such as…
Standards 09: 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 for Weld neck,…
Standards 10: Carbon and Stainless Steel Flanges – ASME/ANSI Class 1500

Carbon and Stainless Steel Flanges – ASME/ANSI Class 1500 ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – Class 1500 Flanges – outside and inside diameters,…
Standards 11: Carbon and Stainless Steel Flanges – ASME/ANSI Class 2500

Carbon and Stainless Steel Flanges – ASME/ANSI Class 2500 ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – Class 2500 Flanges – outside and inside diameters, bolt…
Standards 12: Carbon and Stainless Steel Flanges – ASME/ANSI Class 300

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,…
Standards 13: Carbon and Stainless Steel Flanges – ASME/ANSI Class 400

Carbon and Stainless Steel Flanges – ASME/ANSI Class 400 ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – Class 400 Flanges – outside and inside diameters,…
Standards 14: Carbon and Stainless Steel Flanges – ASME/ANSI Class 600

Carbon and Stainless Steel Flanges – ASME/ANSI Class 600 ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – Class 600 Flanges – outside and inside diameters,…
Standards 15: Carbon and Stainless Steel Flanges – ASME/ANSI Class 900

Carbon and Stainless Steel Flanges – ASME/ANSI Class 900 ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – Class 900 Flanges – outside and inside diameters,…
Standards 16: Carbon and Stainless Steel Welding Neck Flange Bores

Carbon and Stainless Steel Welding Neck Flange Bores Flange bores of welding neck flanges according ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – can be…
Standards 17: Carbon Steel Flanges – Pressure and Temperature Ratings

Carbon Steel Flanges – Pressure and Temperature Ratings Maximum temperature and pressure ratings of flanges conforming dimensions ASME B16.5 Pipe Flanges and Flanged Fittings –…
Standards 18: Carbon Steel Pipes – Comparing American & European Specifications

Carbon Steel Pipes – Comparing American & European Specifications Comparing standards of carbon steel pipes from USA, Germany, UK and Sweden The table below can…
Standards 19: Cast Iron Flanges – ASME/ANSI Class 125

Cast Iron Flanges – ASME/ANSI Class 125 ASME/ANSI B16.1 – 1998 – Cast Iron Pipe Flanges and Flanged Fittings – Class 125 Flanges – outside…
Standards 20: Cast Iron Flanges – ASME/ANSI Class 25

Cast Iron Flanges – ASME/ANSI Class 25 ASME/ANSI B16.1 – 1998 – Cast Iron Pipe Flanges and Flanged Fittings – Class 25 Flanges – outside…
Standards 21: Cast Iron Flanges – ASME/ANSI Class 250

Cast Iron Flanges – ASME/ANSI Class 250 ASME/ANSI B16.1 – 1998 – Cast Iron Pipe Flanges and Flanged Fittings – Class 250 Flanges – outside…
Standards 22: Comparing American and British Piping Standards

Comparing American and British Piping Standards Comparing US American (ASTM) and British (BSi) piping standards – specifications, grades and material descriptions The table below can…
Standards 23: Cross Reference of ASTM Material Specifications

Cross Reference of ASTM Material Specifications Fittings, Flanges, Unions and Cast and Forged Valves Related reading Standards 18: Carbon Steel Pipes – Comparing American &…
Standards 24: DIN – Pipe, Tube and Fittings Standards and Specifications

DIN – Pipe, Tube and Fittings Standards and Specifications Deutsches Institut für Normung – DIN – pipe, tube and fittings standards and specifications Industrial pipe,…
Standards 25: Fiberglass Pipes – Common Standards

Fiberglass Pipes – Common Standards Commonly used standards for fiberglass pipes and their applications Some of the fiberglass related standards from the major standardization organizations:…
Standards 26: Flanges – API vs. ASME/ANSI

Comparing API and ASME/ANSI flanges The difference between ASME/ANSI and API flanges is the fabrication material and the higher rated API operating pressure. ASME/ANSI flanges…
Standards 27: Flanges – Ratings in Classes and Pressure Numbers (PN)

Flanges – Ratings in Classes and Pressure Numbers (PN) Pressure numbers (PN) compared to flange class designations Related reading Standards 17: Carbon Steel Flanges –…
Standards 28: ISO – Pipe, Tube and Fittings Standards and Specifications

ISO – Pipe, Tube and Fittings Standards and Specifications International Organization for Standardization – ISO – pipe, tube and fittings standards and specifications Industrial pipe,…
Standards 29: JIS – Flanges, Bolts, Nuts, and Gaskets Standards

JIS – Flanges, Bolts, Nuts, and Gaskets Standards Japanese Industrial flanges, bolts, nuts, and gaskets standards and specifications from the Japanese Standards Association – JAS:…
Standards 30: JIS – Japanese Industrial Standards

JIS – Japanese Industrial Standards The Japanese Standards Association – JSA JIS – Japanese Industrial Standards specifies the standards used for industrial activities in Japan. The…
Standards 31: JIS – Pipe, Tube and Fittings Standards

JIS – Pipe, Tube and Fittings Standards Japanese industrial pipe, tube and fittings standards and specifications from JAS – the Japanese Standards Association Industrial pipe,…
Standards 32: Stainless Steel – Comparing International Standards

Stainless Steel – Comparing International Standards Comparing international stainless steel standards from America (US), France, Germany, Italy, Japan, Russia, Spain, Sweden, England (UK) and the…
Standards 33: Stainless Steel Pipes – Comparing American and European Standards

Stainless Steel Pipes – Comparing American and European Standards Comparing American – US – and European – German, British (UK) and Swedish – stainless steel…
Standards 34: Stainless Steels Classifications

Stainless Steels Classifications Stainless steels are commonly grouped into martensitic stainless steels, ferritic stainless steels, austenitic stainless steels, duplex (ferritic-austenitic) stainless steels, and precipitation-hardening stainless…
Standards 35: Steel Pipe Standardization Organizations

Steel Pipe Standardization Organizations The most important world wide steel pipe standardization organizations Piping codes and standards are issued from various standardization organizations: AFNOR-French Norms ASME…
Standards 36: Steel Pipes Dimensions – ANSI Schedule 80

Steel Pipes Dimensions – ANSI Schedule 80 Internal and external diameters, areas, weights, volumes and number of threads for schedule 80 steel pipes Related reading…
Standards 37: Steel Pipes Dimensions – ANSI Schedule 40

Steel Pipes Dimensions – ANSI Schedule 40 Internal and external diameters, areas, weights, volumes and number of threads for schedule 40 steel pipes. Related reading Standards…
Standards 38: Steel Tubes according BS 1387

Steel Tubes according BS 1387 Dimensions and weights of steel tubes according BSi – BS 1387:1985Specification for screwed and socketed steel tubes and tubulars and…
Standards 39: Threaded & Socket Welded Fittings – Pressure Classes and Schedules

Threaded & Socket Welded Fittings – Pressure Classes and Schedules Pressure classes, schedules and weights of pipes for threaded & socket welded fittings Standard (STD),…
Standards 40: European Committee for Standardization CEN/TC 69 – Published standards

European Committee for Standardization CEN/TC 69 – Published standards http://www.cen.eu/CEN/Sectors/TechnicalCommitteesWorkshops/CENTechnicalCommittees/Pages/Standards.aspx?param=6052&title=CEN%2FTC+69 Standard referenceTitleCitation in OJDirective CEN/TS 13547:2006 Industrial valves – Copper alloy ball valves No…

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