Wall Thickness: 0.2mm--3.0mm
Grade: Q195 Q235 SPCC H08
Normal size of square pipe:
Surface treatment: Black /bright/galvanized

Normal size of rectangular pipe:
6*10
6*13.7
7.9*13.8
8*12
9*17
10*16
10*20
10*22
14*20
15*40
17.9*25
20*40
20*30
38.1*63.5
38.1*76.2
31.8*101.6
36*76
30*60
30*40
30*50
50*75
40*80
40*60

We are a steel material manufacture with 10 year's experience. Hope to cooperate with honest customers all over the world. Any question, please let me know. Thanks a lot!