SM490YA Plate, SM490YB Weldable Steel
SM490YA Plate, SM490YB Weldable Carbon Steel
STEELMAX Steel Story
SM490YA Plate 강종명을 풀어보면
Steel Marine (SM),
490은 최소 인장강도
4
12, 2014
20
10, 2014
SM490YA Shape, H-BEAM High Yield Strength
SM490YA Shape H-BEAM High Yield Strength Steel
STEELMAX Steel Story
SM490YA 규격은 KS D3515 (개정 후 폐지
10
06, 2014
SM490YA JIS 강종이 뭐? SM490YA Steel Grade
SM490YA JIS 강종이 뭐? SM490YA Steel Grade
STEELMAX Steel Story
SM490YA JIS 강종을 간단히 말하면
고항복점 용접 구조용