ORGANIC MATERIAL-COATED HOT ROLLED-COLD ROLLED STEEL PLATE EXCELLENT IN LUBRICITY, PRIMARY RUST PREVENTING PROPERTY AND ELECTRODEPOSITION COATING PROPERTY

摘要

PURPOSE: To produce a steel plate excellent in primary rust preventing property and lubricity with only org. coated film and without applying a rust preventive oil and a lubricating oil and excellent in electrodeposition coating proerty while remaining the org. coated film stuck and without removing the film with alkali or warm water. ;CONSTITUTION: An org. film obtained by drying a hydrophilic resin composition body containing 5-50 pts.wt. of a lubricant in terms of the solid matter and 1-100 pts.wt. rust preventive per 100 pts.wt. water dispersible or a water-soluble hydrophilic resin solid matter having 20-120°C glass transition temp. is applied by 0.5-5.0g/m² (per one side) on the surface of a cold rolled steel sheet or a hot rolled steel sheet.;COPYRIGHT: (C)1996,JPO