Normas ISO

Coke — Part 2: Determination of true relative density

Carbonaceous materials for the production of aluminium -- Calcined coke for electrodes -- Determination of the electrical resistivity of granules

Carbonaceous materials for the production of aluminium -- Calcined coke for electrodes -- Determination of the electrical resistivity of granules

Carbonaceous materials for the production of aluminium -- Calcined coke for electrodes -- Determination of the electrical resistivity of granules

Coke — Part 3: Determination of porosity

Certification scheme for steel bars and wires for the reinforcement of concrete structures