A992 ASTM, Steel Plate for building and bridge
A992 ASTM, Steel Plate for building framing or bridge
STEELMAX Steel Story
A992 는, Standard Specification for
Structural Steel
28
10, 2013
23
12, 2012
Plate for Bridges, Building Structure, open use
후판 (철판)에서의 자주 사용하는 교량구조용 강재 규격
Plate for Bridges and Building — open use
하늘의 별처럼,