Nippon Kokan Technical Review No. 59, August 1990

摘要

Contents: Innovative Technology of Blast Furnace Operation with Hot Blast ControlValves; Stainless Steel Refining in EAF with Bottom Blowing; Blowing Control System by Exhaust Gas Information; Modernization on Roll Shop under Roll Storage Rack System; Concrete-filled Rectangular Tubular Column with Inner Ribs; Application of On-Line Accelerated Cooling for Steel Shapes; Machinability of Microalloyed Bar Steels for Hot Forged Components without Subsequent Heat Treatment; Outline of No. 3 Coil Coating Line at Keihin Works; An Experimental Study of Cutting the Cobalt-rich Manganese Crusts; Development of the Ring Rolling Mill Controlling the Ring Outer Diameter Growth Rate; Recent Development of Energy-Saving Ore Carrier (Application of NOPS); Arc Welding Robot System for Building Core Blocks of Steel Column; Development of Minute Internal Defect Detector for Light Gauge Steel Sheets; Outline of No. 4 EGL at Fukuyama Works, NKK; NSL 444 Clad Plates; Three Dimensional Laser Profile Meter.