20mm*20mm, 25mm*25mm
30mm*30mm, 38mm*38mm         
40mm*40mm, 45mm*45mm         
50mm*50mm, 56mm*56mm         
60mm*60mm, 65mm*65mm         
70mm*70mm, 75mm*75mm
80mm*80mm, 90mm*90mm
100mm*100mm, 110mm*110mm
120mm*120mm, 125mm*125mm
140mm*140mm, 160mm*160mm
180mm*180mm, 200mm*20mm

75mm*40mm, 100mm*65mm
100mm*75mm *7mm--12mm
150*90*8mm--12mm
160*100*10mm-14mm
125*80*7mm-12mm
200*100*10mm-15mm
150*75*9-12mm
200*125*12-16mm

equal or non-equal angle steel, hot rolled,  in 3~15m length depends on your demand. 
The angle could be galvanized, printed, oiled, punch....
It's widely used in the Rack, etc.