A:Material :Stainless steel 304 / 316 ,316L ,201,430,aluminum,Carbon Steel;
B:According to different perforated metal tubes perforating the different steel strip in order to make the tubes.
C:Perforated metal tubes are available in diameter up to 6 in. & lengths up to 30 in
D:wall thickness from 0.024 in. to 0.118 in. & tube lengths up to 27.5