carbon steel spiral pipe 1.OD:1/2"-24" 2.Wall Thickness :SCH40 ... :6m-12m 4.Delivery time:30days Carbon steel spiral pipe SizeOD:15mm-200mm WT:0.6mm-6.0mmLength5M-12M ... or accord to client's reqiurment MaterailQ235 ,Q345 ,API 5L GrB ,10#,20#,45# and so onStandardASTM A252 ,API ... 5L ,GB/T 9711,DIN10208UsageUsed for gas ,oil,water ,constructionEndsBeveled , ...