18 STEEL CONSTRUCTION produce a basic slag; (f) hearth lined with basic, instead of silicious,material, in order that it may not be eaten away by this slag; and(g) impure iron and scrap may be used, because phosphorus, and,to a limited extent, sulphur can be removed in the operation. Rolling the… … Fig. 11. Steel Ingots Incased in the Molds and Resting on CarFrom Stoughtons Metallurgy of Iron and SteelCourtesy of McGraw-Hill Publishing Company worked into the shapes required for structural uses. This is doneby passing the steel between rolls. Rolls are used in pairs, called a two-high mill,…
Building, Iron and steel · Steel, Structural · Theses
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