Engineering

prEN ISO 28706-2 - Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 2: Determination of resistance to chemical corrosion by boiling acids, boiling neutral liquids, alkaline liquids and/or their vapours (ISO/DIS 28706‑2:2025)
Categories: Surface treatment and coating
Committee: CEN/TC 262 (Metallic and other inorganic coatings, including for corrosion protection and corrosion testing of metals and alloys)
Origin: CEN
Close date: 02 Feb 2026
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prEN ISO 28706-4 - Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel (ISO/DIS 28706-4:2025)
Categories: Surface treatment and coating
Committee: CEN/TC 262 (Metallic and other inorganic coatings, including for corrosion protection and corrosion testing of metals and alloys)
Origin: CEN
Close date: 02 Feb 2026
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prEN 2948 - Aerospace series - Washers, tab, in heat resisting steel, passivated
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 05 Feb 2026
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EN 13445-2:2021+A1:2023/prA2 - Unfired pressure vessels - Part 2: Materials
Categories: Fluid storage devices
Committee: CEN/TC 54 (Unfired pressure vessels)
Origin: CEN
Close date: 05 Feb 2026
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EN 13480-2:2024/prA1 - Metallic industrial piping - Part 2: Materials
Categories: Pipelines
Committee: CEN/TC 267 (Industrial piping and pipelines)
Origin: CEN
Close date: 05 Feb 2026
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ISO 16117:2013/DAmd 1 - Nuclear criticality safety — Estimation of the number of fissions of a postulated criticality accident — Amendment 1
Categories: Nuclear energy engineering
Committee: ISO/TC 85/SC 5 (Nuclear installations, processes and technologies)
Origin: ISO
Close date: 11 Feb 2026
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ISO/DIS 14918 - Thermal spraying — Qualification testing of thermal sprayers
Categories: Surface treatment and coating
Committee: ISO/TC 107 (Metallic and other inorganic coatings)
Origin: ISO
Close date: 11 Feb 2026
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ISO/DIS 17536-1 - Road vehicles — Aerosol separator performance test for internal combustion engines — Part 1: General
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 34 (Propulsion, powertrain and powertrain fluids)
Origin: ISO
Close date: 11 Feb 2026
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ISO/DIS 11483 - Nuclear fuel technology — Preparation of plutonium sources and determination of 238Pu/239Pu isotope ratio by alpha spectrometry
Categories: Nuclear energy engineering
Committee: ISO/TC 85/SC 5 (Nuclear installations, processes and technologies)
Origin: ISO
Close date: 12 Feb 2026
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IEC 62477-2 ED2 - Safety requirements for power electronic converter systems and equipment - Part 2: High Voltage Power electronic converters up to 36 kV a.c. or 54 kV d.c.
Categories: Rectifiers. Converters. Stabilized power supply
Committee: TC 22 (error)
Origin: IEC
Close date: 13 Feb 2026
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IEC 63567-1 ED1 - Semiconductor devices - Performance evaluation of semiconductor processing components and inspection equipment - Part 1: Transmittance evaluation method of EUV pellicle
Categories: Semiconductor devices
Committee: TC 47 (error)
Origin: IEC
Close date: 13 Feb 2026
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prEN IEC 62477-2:2025 - Safety requirements for power electronic converter systems and equipment - Part 2: High voltage power electronic converters up to 36 kv a.c. or 54 kv d.c.
Categories: Rectifiers. Converters. Stabilized power supply
Committee: CLC/TC 22X (Power electronics)
Origin: CENELEC
Close date: 13 Feb 2026
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prEN IEC 63567-1:2025 - Semiconductor devices - Performance evaluation of semiconductor processing components and inspection equipment - Part 1: Transmittance evaluation method of EUV pellicle
Categories: Semiconductor devices
Committee: CLC/TC 47X (error)
Origin: CENELEC
Close date: 13 Feb 2026
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prEN ISO 8501-1 - Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings (ISO/DIS 8501-1:2025)
Categories: Surface treatment and coating
Committee: CEN/TC 139 (Paints and varnishes)
Origin: CEN
Close date: 18 Feb 2026
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ISO/DIS 8501-1 - Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings
Categories: Surface treatment and coating
Committee: ISO/TC 35/SC 12 (Preparation of steel substrates before application of paints and related products)
Origin: ISO
Close date: 18 Feb 2026
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ISO/DIS 2974 - Diesel engines — 60° concave cones for high-pressure fuel injection components
Categories: Road vehicles. Internal combustion engines
Committee: ISO/TC 22/SC 34 (Propulsion, powertrain and powertrain fluids)
Origin: ISO
Close date: 19 Feb 2026
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EN IEC 62788-2-1:2023/prA1:2025 - Amendment 1 - Measurement procedures for materials used in photovoltaic modules - Part 2-1: Polymeric materials - Frontsheet and backsheet - Safety requirements
Categories: Solar energy engineering
Committee: CLC/TC 82 (Solar photovoltaic energy systems)
Origin: CENELEC
Close date: 20 Feb 2026
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prEN IEC 60079-29-3:2025 - Explosive atmospheres - Part 29-3: Gas detectors - Guidance on functional safety of fixed gas detection systems
Categories: Electrical equipment. Special conditions
Committee: CLC/TC 31 (Electrical apparatus for potentially explosive atmospheres)
Origin: CENELEC
Close date: 20 Feb 2026
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prEN IEC 60947-7-4:2025 - Low-voltage switchgear and controlgear - Part 7-4: Ancillary equipment - PCB terminal blocks for copper conductors
Categories: Switchgear and controlgear
Committee: CLC/TC 121A (Low-voltage switchgear and controlgear)
Origin: CENELEC
Close date: 20 Feb 2026
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prEN IEC 61189-3-720:2025 - Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 3-720: Test methods for interconnection structures (circuit boards) - Transmission loss test method for high frequency multilayer circuit boards
Categories: Printed circuits and boards
Committee: CLC/SR 91 (Electronics assembly technology)
Origin: CENELEC
Close date: 20 Feb 2026
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