steel angle.
standard:A36,SS400,S235JR.
We can offer special size as follow:
25*25*1.78-3.45mm
27*27*1.78-3.45mm
35*35*2.0-5.0mm
37*37*2.0-5.0mm
37.5*37.5*2.0-5.0mm
38*38*2.0-5.0mm
40*40*2.0*5.0mm
steel angle