carbon steel fin tube with crimped carbon steel fin

1.carbon steel fin tube with crimped carbon steel fin
2.base tube material:carbon steel
3.tube size:18mm,21mm,25mm,32mm,45mm
4.tube thickness:2.0mm,3.0mm
5.fin material:carbon steel
6.fin height:10mm,12mm,12.5mm
7.fin thickness:2.0mm,3.0mm
8.fin type:G
9.longest:6000mm
10.making standard:GB/T14296-92
carbon steel fin tube with crimped carbon steel fin