Iron and Steel in Sweden / 152 (1920) - Tema: Business and Economy, Metals Table of Contents / Innehåll | << Previous | Next >>
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Tannery-refining cylinder.

We give below the analysis of some of the ores used by the Company.
The figures denote per cent.

                 Norberg Nyberg Norberg Norberg

                 Åsgruvan Prime Kallmora östanmossa

Fe2O3 50.07 56.79 49.69 45.30

FeO 22.00 25.87 22.36 21.10

CaO 6.60 2.16 2.49 4.81

MgO 5.08 5.49 5.83 8.51

MnO 0.18 0.24 0.05 0.15

A12O3 0.30 0.65 1.30 1.12

SiO2 16.12 8.78 17.36 17.96

Fe 52.10 60.10 52.17 48.12

F 0.004 0.004 0.007 0.007

S 0.040 0.029 0.004 0.013


THE IRON WORKS AT AVESTA

consist of the following units: 1 briquette-work, 2 calcinating furnaces and sintering
work, 3 blast-furnaces, 6 Siemens-Martin furnaces, 1 electric furnace for ferroalloys, 2

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