angel steel Grade : AISI 304 , 201 ,316 , 321 etc, Size : ... 6.3 #, 6.5 #, 7 #, 7.5 #, 8 Angel steel Stainless steel angle Grade : AISI 304 , 201 ,316 , 321 etc, Size ... 6 #, 6.3 #, 6.5 #, 7 #, 7.5 #, 8Stainless steel angleGrade : AISI 304 , 201 ,316 , 321 etc,Size : 2.5 ... all kinds of architecture and engineering structure, such as the beam, Bridges, transmission tower, hoisting, ship, industrial furnace, ...