STB PDF

Protective clothing Protection against heat and fire Method of test: Evaluation of materials and material assemblies when exposed to a source of radiant heat (ISO 6942:2002). Original standard UNE-EN ISO 6942-2002 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN ISO 6942-2023

Building components and building elements - Thermal resistance and thermal transmittance - Calculation method (ISO 6946:2007). Original standard UNE-EN ISO 6946-2012 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN ISO 6946-2021

Corrected version, December 2021 Building components and building elements Thermal resistance and thermal transmittance Calculation methods (ISO 6946:2017, Corrected version 2021-12). Original standard UNE-EN ISO 6946-2021 in PDF full version. Additional info + preview on request

Document status: Active

Welding and allied processes Welding positions (ISO 6947:2019). Original standard UNE-EN ISO 6947-2020 in PDF full version. Additional info + preview on request

Document status: Active

Natural gas Determination of composition and associated uncertainty by gas chromatography Part 3: Precision and bias (ISO 6974 3:2018). Original standard UNE-EN ISO 6974-3-2019 in PDF full version. Additional info + preview on request

Document status: Active

Natural gas Determination of composition and associated uncertainty by gas chromatography Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons (ISO 6974-5:2014). Original standard UNE-EN ISO 6974-5-2015 in PDF full version. Additional info + preview on request

Document status: Active