” SIGMA ” SECTION PURLINS
Dim. “D” = 48 Min. to 100 Max.
Dim. “E” = 40 Min. to 170 Max.
Dim in mm.
Material: Galvanized/Black iron
Preprinted steel Grade 350 Mpa
Blank Width are based on 2.5 mm thickness.
Dim “C” varies with blank width and Material thickness.
Tolerances: BOW 1 mm per meter
CAMBER 1 mm per meter
TWIST 1 mm per meter
FLARE ±3 mm within 200 mm of each end
This standard profile range helps the designer to choose the optimal profile. As a result, we are
able to maintain short delivery times on the scale of each building project.