Block flanges for process apparatus - Connecting dimensions PN 10 to PN 40
Edition 2016-08

Flat produts of steel - Hot rolled wide flats - Dimensions, mass, tolerances on dimensions, shape and mass
Edition 2001-05

Petroleum, petrochemical and natural gas industries - Test methods for quality control of microstructure of ferritic/austenitic (duplex) stainless steels (ISO 17781:2017); English version EN ISO 17781:2017
Edition 2017-11

Petroleum and natural gas industries - Drilling and production equipment - Marine drilling riser couplings (ISO 13625:2002); English version EN ISO 13625:2002
Edition 2005-07

Petroleum and natural gas industries - Downhole equipment - Lock mandrels and landing nipples (ISO 16070:2005); English version EN ISO 16070:2005
Edition 2006-05

Pipe classes for process plants - Part 12: Technical delivery conditions for pipe components of non alloyed and alloyed steel with specified properties at elevated temperatures of material group 1.2 and 5.1
Edition 2017-04

Cast iron pipes systems and their components for the evacuation of water from works - Characteristics and test methods; German version EN 877:2021
Edition 2022-10

Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique (ISO 17081:2014); German version EN ISO 17081:2014
Edition 2014-10

Execution of special geotechnical works - Reinforced fill; German version EN 14475:2006
Edition 2006-04

Application integration at electric utilities - System interfaces for distribution management - Part 11: Common information model (CIM) extensions for distribution (IEC 61968-11:2013); English version EN 61968-11:2013
Edition 2014-02