Structural Sections DIMOND HI-SPAN PURLINS Specifications: Size Designation:
Swage Depth
AS 1397
i
Depth ‘D’ (mm) and Rationalized Thickness ‘t’ (mm)
Size Range Available: DHS Section DHS 150/12 DHS 150/15 DHS 200/12 DHS 200/15 DHS 200/18 DHS 250/13 DHS 250/15 DHS 250/18 DHS 300/15 DHS 300/18 DHS 350/18 DHS 400/20
Depth of Width of Thickness Mass Weight Section D Section B t (mm) (kg/m) (kN/m) (mm) (mm) 150 150 200 200 200 250 250 250 300 300 350 400
65 65 75 75 75 85 85 85 100 100 100 100
1.15 1.45 1.15 1.45 1.75 1.25 1.45 1.75 1.45 1.75 1.75 1.95
2.99 3.74 3.71 4.65 5.59 4.87 5.63 6.76 6.66 8.01 8.83 10.74
0.030 0.037 0.037 0.046 0.055 0.048 0.056 0.067 0.066 0.079 0.087 0.106
Swage d b Depth i (mm) (mm) (mm) 54 54 62 62 62 67 67 67 67 67 77 79
4 4 4 4 4 6 6 6 7 7 7 7
10 10 10 10 10 12 12 12 12 12 12 12
(mm)
xc (mm)
xo (mm)
23 23 28 28 28 33 33 33 38 38 43 48
24.0 23.9 26.3 26.2 26.1 29.4 29.3 29.3 34.0 33.9 32.7 31.8
56.6 56.1 62.0 61.4 60.8 67.1 66.7 66.2 76.1 75.6 73.4 70.9
Notes: Mass assumes a total coated weight for the standard zinc coating of Z 275 (275 g/m2) Tabulated properties are based on full unreduced gross sections.
DHS Specification and Tolerance Base Metal Thickness (BMT)(mm) DHS Purlins and Girts Tolerances
< 1.5 > 1.5 Depth Width Hole Centres Length Web/Flange Angle
Steel Grade G500 G450 +/-2mm +/-2mm +/-1.5mm +/-6mm 89-93 degrees
Yield Strength fy (MPa)
Zinc Weight (Z) (g/m2)
500 450
Z 275 Z 275
Notes: Dimond Hi-Span Purlins are manufactured by roll forming galvanized steel coil produced to AS 1397. Z 450 zinc weight coil can be supplied with order lead times of up 12 weeks. Please discuss with Dimond on 0800 DIMOND.
Page 23
