2014년 7월 11일

A572 Gr.50 ASTM Plate, H-BEAM, Channel, Angle

A572 Gr.50 ASTM Plate, H-BEAM, Channel, Angle STEELMAX Steel Story   ASTM 규격으로 압연 탄소강 형강 (Shapes) 규격은 몇 가지 안됩니다. 형강은 H-BEAM, 앵글, 찬넬, 환봉, […]
A572 Gr.50 ASTM Plate, H-BEAM, Channel, Angle
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