... .Width:30mm-350mm 3.Depth:15-100mm 4.Lip Width:10-20mm light weight c steel purlin StandardAISI, ASTM, BS, DIN, ... -100mmLip Width10-20mmWeight0.912-43.588kg/mSurface FinishedBlack or Galvanized light weight c steel purlin Feature and application : Steel c ... is hot rolled coil by cold bending processing, thin wall, light weight, high strength, excellent section properties, compared with traditional ...