steel angle iron 1..Material:Q235 SS400 S235JR ST37-2 Q345 2. ... BARSS330,SS400,SM490A,SM490B"75X40-380X100"2.Equal Angle BarEN EQUAL ANGLE BARSt37-2,St52-3,S235JR,S355JR"20X20-200X200" ... GB EQUAL ANGLE BARQ195,Q215,Q235,Q345"20X20-200X200"JIS EQUAL ANGLE BARSS330,SS400,SM490A,SM490B"25X25- ... 4X76.2)-30X30(750.0X500.0) INCH.(MM)UNEQUAL ANGLE BAR: GB STANDARD ;GOST; ASTM ,EN ;JIS ...