PRESSURE VESSEL STEEL WITH EXCELLENT LOW TEMPERATURE TOUGHNESS AND SULFIDE STRESS CORROSION CRACKING, MANUFACTURING METHOD THEREOF AND MANUFACTURING METHOD OF DEEP DRAWING ARTICLE

摘要

The present invention relates to a steel material for a low-temperature high-pressure vessel, and more particularly to a steel material for a high-pressure vessel excellent in resistance to low-temperature toughness and hydrogen sulfide stress corrosion cracking (SSCC) To a method of manufacturing a drawing product.