2019년 12월 26일Categories AMS 국제.국가.단체표준AMS 4902, B348, B265 Grade 2, R50400, UnalloyedAMS 4902, B348, B265 Grade 2, R50400, Unalloyed STEELMAX Metal Story AMS 4902 규정은 Unalloyed Titanium 이면서 Commercially-Pure 티타늄으로, Plate, Sheet, Strip 제품 […]