... multipoint automatic continuous production, the line can improve product yield, reduce the cost, increase the output. 1.0 SummaryHLB ... automatic continuous production. This production mode can improve the pipe yield, reduce the cost, increase the production. This equipment ... steel.2.2Raw material:σs≤345MPa, σb≤560MPa, Yield strength σs≤345MPa, Tensile strengthσb≤560MPa, galvanized plate, color sheet.2.3Strip ...