Methods of soil investigations for agricultural engineering - Chemical laboratory tests - Part 6: Determination of iron soluble in oxalate solution

Ductile iron pipes, fittings and accessories - External cement mortar coating for pipes - Requirements and test methods; German version FprEN 15542:2023

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges; German version EN 1092-2:2023

Malleable cast iron fittings with compression ends for polyethylene (PE) piping systems; German and English version prEN 10284:2023

Founding - Ultrasonic testing - Part 3: Spheroidal graphite cast iron castings; German and English version prEN 12680-3:2024

Steel and iron - Determination of chromium content - Potentiometric or visual titration method (ISO/DIS 4937:2024); German and English version prEN ISO 4937:2024

Steel and iron - Determination of phosphorus content - Phosphovanadomolybdate spectrophotometric method (ISO/FDIS 10714:2023); German version FprEN ISO 10714:2023

Metallic and other inorganic coatings - Electroplated coatings on iron and steel using zinc treated with solutions containing chromium (VI)

Preparation of steel substrates before application of paints and related products - Specifications for metallic blast-cleaning abrasives - Part 7: High chromium white cast iron grit

Internal protection by polymeric lining for ductile iron pipes - Requirements and test methods - Part 4: --Part 4: ceramic epoxy lining