Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements; German and English version prEN 10253-3:2025

Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements; German version EN 10253-4:2025

Determination of resistance to intergranular corrosion of stainless steels - Part 1: Austenitic and ferritic-austenitic (duplex) stainless steels - Corrosion test in nitric acid medium by measurement of loss in mass (Huey test)

Determination of resistance to intergranular corrosion of stainless steels - Part 2: Ferritic,austenitic and ferritic-austenitic (duplex) stainless steels - Corrosion test in media containing sulfuric acid

IEC 60794-2-41 Ed. 1.0: Optical Fibre Cables - Part 2- 41: Indoor optical fibre cables - Product specification for simplex and duplex buffered A4 fibres

IEC 60794-2-42 Ed. 1.0: Optical Fibre Cables - Part 2-42: Indoor optical fibre cables - Product specification for simplex and duplex cables with A4 fibres

IEC 60794-2-10 Ed. 2.0: Optical fibre cables -Part 2-10: Indoor optical fibre cables -Family specification for simplex and duplex cables

IEC 60794-2-11 Ed. 2.0: Optical fibre cables - Part 2-11: Indoor optical fibre cables - Detailed specification for simplex and duplex cables for use in premises cabling

IEC 60794-2-51/Ed1: Optical fibre cables - Part 2-51: Indoor optical fibre cables - Detail specification for simplex and duplex cables for use in cords for controlled environment

Detail specification for fibre optic connector Type SC-PC (rigid Duplex) Standrad for multi-mode fibre Type A1a, A1b