... -350mm 3.Depth:15-100mm 4.Lip Width:10-20mm metal c purlin StandardAISI, ASTM, BS, DIN, GB, JIS, etcGradeQ195,Q215, ... , please contact us for more information. metal c purlin specification: C shaped steel specsModelA(mm)B(mm)C(mm)T(mm)C808040 / 50201.5 ... length can be designed according to the customer' s requirement. metal c purlinshow : Shijiazhuang aolian colorful steel sheet is a leading company ...