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The Extrus1on of Lead and Other Soft Metals
The Extrus1on of Lead Cablesheath1ng
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aluminium alloys annealing annulus antimony application back end billet blanks brass cable press Cable Sheathing casting cause cent centre charge cold drawing conical container cooling copper alloys deformation diameter die-block direct extrusion duralumin effect electric Elongation extruded bar extrusion defect extrusion pressure extrusion ram extrusion temperature flow followed friction furnace heat high temperature horizontal press hydraulic hydraulic press hydraulic ram increase Inst inverted extrusion inverted method latter lead pipes length light alloys longitudinal lubricant machine magnesium main ram mandrel manganese bronze manufacture melting metal method of extrusion nickel obtained occurs operation oxide piercing plastic point-holder poppet valves practice preheating press-head pressure disc production punch range reduction resistance Sachs and Eisbein sections shape shells shown in Fig shows slug square inch steel stresses stroke surface tensile tensile strength Tensile Stress tons per square Tons/sq tubes wall thickness zinc zone