SFVC 1, SFVC 2, Pressure Vessel Forging Steel steelmax2019-01-18T21:27:53+09:003월 19th, 2018| 압력용기용 단강품 — 탄소 단조강. Carbon steel forgings for pressure Vessel. KS D4122, JIS G3202 규격으로 SFVC 1 , SFVC 2A, SFVC 2B,