Steel Grating Steel Grating

m
pitch Bar

Defl s mm
ng m

pan
ern
Span mm

Norm e
2
spacibar

5
s
kg/m

.
s

i
Bar s
Mas
Patt

4Kpa
Cros
Load
Kpa 450 600 750 900 1050 1200 1500 1800 2100 2400 2700 3000 3300 3600
A Pattern
C205 40 100 22.5 20x5 U 56 32 20 14 10 8 5 3 2 1120

T E C H N I C A L D ATA
Standard Pattern Types

D 1.8 3.2 5 7.2 9.8 12.8 20.1 28.9 39.4

C253 40 100 17.5 25x3 U 53 30 19 13 10 7 5 3 2 1170
D 1.4 2.6 4 5.8 7.8 10.2 16.0 23.1 31.5
F255 60 50 22.3 25x5 U 56 32 20 14 10 8 5 3 2 1200
D 1.4 2.6 4 5.8 7.8 10.2 16.0 23.1 31.5
A205 30 100 29.5 20x5 U 74 42 27 18 13 10 6 4 3 1200
D 1.8 3.2 5 7.2 9.8 12.8 20.1 28.9 39.4
C255 40 100 26.9 25x5 U 70 39 24 17 13 9 6 4 3 1225 B Pattern
Serrated D 1.6 2.9 4.5 6.5 8.8 11.5 18.0 25.9 35.3
A253 30 100 22.8 25x3 U 70 39 25 17 13 10 6 4 3 1250
D 1.4 2.6 4 5.8 7.8 10.3 16.0 23.1 31.5
C255 40 100 27.4 25x5 U 88 49 31 22 16 12 8 5 4 1320
D 1.4 2.6 4 5.8 7.8 10.2 16.0 23.1 31.5
F325 60 50 26.4 32x5 U 76 43 27 19 14 11 7 5 3 1350
Serrated D 1.2 2.2 3.4 4.9 6.7 8.7 13.6 19.7 26.8
A255 30 100 34.7 25x5 U 91 51 33 23 17 13 8 6 4 1350
Serrated D 1.6 2.9 4.5 6.5 8.8 11.5 18.0 25.9 35.3 C Pattern
C323 40 100 21.7 32x3 U 87 49 31 21 16 12 8 5 4 3 2 1400
D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.9 24.6 32.1 40.7
A255 30 100 36.2 25x5 U 115 65 42 29 21 16 10 7 5 4 3 1420
B255 30 50 39.0 25x5 D 1.4 2.6 4 5.8 7.8 10.3 16.0 23.1 31.5 41.1 49.6 1420
F325 60 50 27.0 32x5 U 92 52 33 23 17 13 8 6 4 3 2 1440
D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.0 24.6 32.1 40.7
C325 40 100 34.0 32x5 U 120 67 43 30 22 17 11 7 5 4 3 1475
Serrated D 1.2 2.2 3.4 4.9 6.7 8.7 13.6 19.7 26.8 34.0 44.3
A323 30 100 28.4 32x3 U 114 64 41 28 21 16 10 7 5 4 3 1510 D Pattern
D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.1 24.6 32.1 40.7
C325 40 100 34.2 32x5 U 144 81 52 36 26 20 13 9 6 5 4 1590
D325 40 50 37.6 D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.0 24.6 32.1 40.7 1590
A325 30 100 44.1 32x5 U 158 89 56 39 29 22 14 9 7 5 4 1600
Serrated D 1.2 2.2 3.4 4.9 6.7 8.7 13.7 19.7 26.8 35.0 44.3
A325 30 100 45.5 32x5 U 190 107 68 47 65 26 17 11 8 6 5 1710
B325 30 50 48.4 32x5 D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.1 24.6 32.1 40.7 1710
C405 40 100 42.1 40x5 U 226 127 81 56 41 31 20 14 10 8 6 5
D 0.9 1.6 2.5 3.6 4.9 6.4 10.0 14.4 19.7 25.7 32.5 40.2
1890
F Pattern
A405 30 100 56.2 40x5 U 298 167 107 74 52 41 26 18 13 10 8 6 2030
D 0.9 1.6 2.5 3.6 4.9 6.4 10.0 14.4 19.7 25.7 32.5 40.2
A455 30 100 62.9 45x5 U 377 212 135 94 67 52 33 23 17 13 10 8 6 2175
D 0.8 1.4 2.2 3.2 4.3 5.7 8.9 12.8 17.5 22.8 28.9 35.7 43.2
C505 40 100 51.9 50x5 U 353 198 127 88 64 49 31 22 16 12 9 7 6 5 2200
D 0.7 1.3 2 2.9 3.9 5.1 8.0 11.5 15.7 20.5 26.0 32.1 38.9 46.3
A505 30 100 69.6 50x5 U 465 261 167 116 85 65 41 28 21 16 12 10 8 7 2350
D 0.7 1.3 2 2.9 3.9 5.1 8.0 11.5 15.7 20.5 26.0 32.1 38.9 46.3
A655 30 100 89.6 65x5 U 787 442 283 196 144 110 70 48 35 27 21 17 14 11 2825
Standard Cut Size Width Of Panels
D 0.5 1 1.6 2.2 3.0 3.6 6.1 8.9 12.1 15.8 20.0 24.0 29.9 35.9 No. of 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Load Bars
A756 30 100 123.6 75x6 U 1049 500 378 262 193 147 94 66 48 37 29 24 20 16 3250
D 0.46 1 1.3 1.8 2.5 3.2 5.1 7.3 10.0 13.0 16.5 20.4 24.7 29.4 Grating
Pattern A&B 95 125 155 185 215 245 275 305 335 365 395 425 455 485 515 545 575 605 635
980
C&D 125 165 205 245 285 325 365 405 445 485 525 565 605 645 685 725 765 805 845
C203 40 100 14.6 20x3 U 34 19 12 8 6 5 3 2
F 185 245 305 365 425 485 545 605 665 725 785 845 905 965 1025 1085 1145 1205
Non-Standard Pattern Types

D 1.8 3.2 5 7.2 9.8 12.9 20.1 29

F205 60 50 18.8 20x5 U 36 20 13 9 6 5 3 2 1010
D 1.8 3.2 5 7.2 9.6 12.9 20.1 29 No. of
A203 30 100 18.8 20x3 U 45 25 16 11 8 6 4 3 2 1060 Load Bars 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
D 1.8 3.2 5 7.2 9.6 12.9 20.1 29 39.4
D253 40 50 17.5 25x3 U 53 30 19 13 10 7 5 3 2 1170 Grating
Pattern A&B 665 695 725 755 785 815 845 875 905 935 965 995 1025 1055 1085 1115 1145 1175 1205
D 1.4 2.6 4 5.8 7.9 10.3 16.1 23.2 31.5
C&D 885 925 965 1005 1045 1085 1125 1165 1205
B253 30 50 23.3 25x3 U 70 39 25 17 13 10 6 4 3 2 1250
D 1.4 2.6 4 5.8 7.9 10.3 16.1 23.2 31.5 41.2
Standard width available in New Zealand For 3mm loadbars subtract 2mm from the table widths.
D255 40 50 29.5 25x5 U 88 49 31 22 16 12 8 5 4 3 1320
Standard width available in Western Australia Widths can vary due to the manufacturing process
D 1.4 2.6 4 5.8 7.9 10.3 16.1 23.2 31.5 41.2
Standard width available at all other Webforge sites (Tolerance -0 +10).
C403 40 100 26.9 40x3 U 13 79 49 34 25 19 12 8 6 4 3 1660
D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6
F405 60 50 22.8 40x5 U 14 81 52 36 26 20 13 9 6 5 4 3 1700 Notes: 1. The standard lengths of all panels are 6000mm. 2. The weight of fabricated grating increases with the addition of
MADE TO ORDER

D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6 40.2 fittings, banding & treatment. The following % increases are a guide only: A&B Pattern - 12%, C&D Pattern - 14%, F Pattern -
A403 30 100 27.4 40x3 U 179 100 64 44 33 25 16 11 8 6 5 4 1780 16%. 3. The table on page 20 has been arranged in increasing strength order. 4. U = Safe superimposed uniformly
D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6 40.2 distributed load in KPA (100kg/sqm = 0.98KPa) 5. D = Deflection in millimetres for the load U. 6. Mass is calculated in the
B405 30 50 26.4 40x5 U 298 167 107 74 52 41 26 18 13 10 8 6 2030 untreated condition. 7. Loads are calculated in accordance with an allowable bending stress of 171.6 MPa. 8. Loadbars are
D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6 40.2 assumed to be simply supported. 9. Webforge reserves the right to use alternative section sizes provided this does not affect
C455 40 100 34.7 45x5 U 286 160 102 71 52 40 25 17 13 10 7 6 5 2030 the performance of the product.
D 0.8 1.4 2.2 3.2 4.4 5.7 8.9 12.9 17.5 22.9 29.0 35.8 43.2
20 21
 Steel Grating Steel Grating

m
pitch Bar

Defl s mm
ng m

pan
ern
Span mm

Norm e
2
spacibar

5
s
kg/m

.
s

i
Bar s
Mas
Patt

4Kpa
Cros
Load
Kpa 450 600 750 900 1050 1200 1500 1800 2100 2400 2700 3000 3300 3600
A Pattern
C205 40 100 22.5 20x5 U 56 32 20 14 10 8 5 3 2 1120

T E C H N I C A L D ATA
Standard Pattern Types

D 1.8 3.2 5 7.2 9.8 12.8 20.1 28.9 39.4

C253 40 100 17.5 25x3 U 53 30 19 13 10 7 5 3 2 1170
D 1.4 2.6 4 5.8 7.8 10.2 16.0 23.1 31.5
F255 60 50 22.3 25x5 U 56 32 20 14 10 8 5 3 2 1200
D 1.4 2.6 4 5.8 7.8 10.2 16.0 23.1 31.5
A205 30 100 29.5 20x5 U 74 42 27 18 13 10 6 4 3 1200
D 1.8 3.2 5 7.2 9.8 12.8 20.1 28.9 39.4
C255 40 100 26.9 25x5 U 70 39 24 17 13 9 6 4 3 1225 B Pattern
Serrated D 1.6 2.9 4.5 6.5 8.8 11.5 18.0 25.9 35.3
A253 30 100 22.8 25x3 U 70 39 25 17 13 10 6 4 3 1250
D 1.4 2.6 4 5.8 7.8 10.3 16.0 23.1 31.5
C255 40 100 27.4 25x5 U 88 49 31 22 16 12 8 5 4 1320
D 1.4 2.6 4 5.8 7.8 10.2 16.0 23.1 31.5
F325 60 50 26.4 32x5 U 76 43 27 19 14 11 7 5 3 1350
Serrated D 1.2 2.2 3.4 4.9 6.7 8.7 13.6 19.7 26.8
A255 30 100 34.7 25x5 U 91 51 33 23 17 13 8 6 4 1350
Serrated D 1.6 2.9 4.5 6.5 8.8 11.5 18.0 25.9 35.3 C Pattern
C323 40 100 21.7 32x3 U 87 49 31 21 16 12 8 5 4 3 2 1400
D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.9 24.6 32.1 40.7
A255 30 100 36.2 25x5 U 115 65 42 29 21 16 10 7 5 4 3 1420
B255 30 50 39.0 25x5 D 1.4 2.6 4 5.8 7.8 10.3 16.0 23.1 31.5 41.1 49.6 1420
F325 60 50 27.0 32x5 U 92 52 33 23 17 13 8 6 4 3 2 1440
D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.0 24.6 32.1 40.7
C325 40 100 34.0 32x5 U 120 67 43 30 22 17 11 7 5 4 3 1475
Serrated D 1.2 2.2 3.4 4.9 6.7 8.7 13.6 19.7 26.8 34.0 44.3
A323 30 100 28.4 32x3 U 114 64 41 28 21 16 10 7 5 4 3 1510 D Pattern
D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.1 24.6 32.1 40.7
C325 40 100 34.2 32x5 U 144 81 52 36 26 20 13 9 6 5 4 1590
D325 40 50 37.6 D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.0 24.6 32.1 40.7 1590
A325 30 100 44.1 32x5 U 158 89 56 39 29 22 14 9 7 5 4 1600
Serrated D 1.2 2.2 3.4 4.9 6.7 8.7 13.7 19.7 26.8 35.0 44.3
A325 30 100 45.5 32x5 U 190 107 68 47 65 26 17 11 8 6 5 1710
B325 30 50 48.4 32x5 D 1.1 2 3.1 4.5 6.1 8.0 12.5 18.1 24.6 32.1 40.7 1710
C405 40 100 42.1 40x5 U 226 127 81 56 41 31 20 14 10 8 6 5
D 0.9 1.6 2.5 3.6 4.9 6.4 10.0 14.4 19.7 25.7 32.5 40.2
1890
F Pattern
A405 30 100 56.2 40x5 U 298 167 107 74 52 41 26 18 13 10 8 6 2030
D 0.9 1.6 2.5 3.6 4.9 6.4 10.0 14.4 19.7 25.7 32.5 40.2
A455 30 100 62.9 45x5 U 377 212 135 94 67 52 33 23 17 13 10 8 6 2175
D 0.8 1.4 2.2 3.2 4.3 5.7 8.9 12.8 17.5 22.8 28.9 35.7 43.2
C505 40 100 51.9 50x5 U 353 198 127 88 64 49 31 22 16 12 9 7 6 5 2200
D 0.7 1.3 2 2.9 3.9 5.1 8.0 11.5 15.7 20.5 26.0 32.1 38.9 46.3
A505 30 100 69.6 50x5 U 465 261 167 116 85 65 41 28 21 16 12 10 8 7 2350
D 0.7 1.3 2 2.9 3.9 5.1 8.0 11.5 15.7 20.5 26.0 32.1 38.9 46.3
A655 30 100 89.6 65x5 U 787 442 283 196 144 110 70 48 35 27 21 17 14 11 2825
Standard Cut Size Width Of Panels
D 0.5 1 1.6 2.2 3.0 3.6 6.1 8.9 12.1 15.8 20.0 24.0 29.9 35.9 No. of 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Load Bars
A756 30 100 123.6 75x6 U 1049 500 378 262 193 147 94 66 48 37 29 24 20 16 3250
D 0.46 1 1.3 1.8 2.5 3.2 5.1 7.3 10.0 13.0 16.5 20.4 24.7 29.4 Grating
Pattern A&B 95 125 155 185 215 245 275 305 335 365 395 425 455 485 515 545 575 605 635
980
C&D 125 165 205 245 285 325 365 405 445 485 525 565 605 645 685 725 765 805 845
C203 40 100 14.6 20x3 U 34 19 12 8 6 5 3 2
F 185 245 305 365 425 485 545 605 665 725 785 845 905 965 1025 1085 1145 1205
Non-Standard Pattern Types

D 1.8 3.2 5 7.2 9.8 12.9 20.1 29

F205 60 50 18.8 20x5 U 36 20 13 9 6 5 3 2 1010
D 1.8 3.2 5 7.2 9.6 12.9 20.1 29 No. of
A203 30 100 18.8 20x3 U 45 25 16 11 8 6 4 3 2 1060 Load Bars 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
D 1.8 3.2 5 7.2 9.6 12.9 20.1 29 39.4
D253 40 50 17.5 25x3 U 53 30 19 13 10 7 5 3 2 1170 Grating
Pattern A&B 665 695 725 755 785 815 845 875 905 935 965 995 1025 1055 1085 1115 1145 1175 1205
D 1.4 2.6 4 5.8 7.9 10.3 16.1 23.2 31.5
C&D 885 925 965 1005 1045 1085 1125 1165 1205
B253 30 50 23.3 25x3 U 70 39 25 17 13 10 6 4 3 2 1250
D 1.4 2.6 4 5.8 7.9 10.3 16.1 23.2 31.5 41.2
Standard width available in New Zealand For 3mm loadbars subtract 2mm from the table widths.
D255 40 50 29.5 25x5 U 88 49 31 22 16 12 8 5 4 3 1320
Standard width available in Western Australia Widths can vary due to the manufacturing process
D 1.4 2.6 4 5.8 7.9 10.3 16.1 23.2 31.5 41.2
Standard width available at all other Webforge sites (Tolerance -0 +10).
C403 40 100 26.9 40x3 U 13 79 49 34 25 19 12 8 6 4 3 1660
D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6
F405 60 50 22.8 40x5 U 14 81 52 36 26 20 13 9 6 5 4 3 1700 Notes: 1. The standard lengths of all panels are 6000mm. 2. The weight of fabricated grating increases with the addition of
MADE TO ORDER

D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6 40.2 fittings, banding & treatment. The following % increases are a guide only: A&B Pattern - 12%, C&D Pattern - 14%, F Pattern -
A403 30 100 27.4 40x3 U 179 100 64 44 33 25 16 11 8 6 5 4 1780 16%. 3. The table on page 20 has been arranged in increasing strength order. 4. U = Safe superimposed uniformly
D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6 40.2 distributed load in KPA (100kg/sqm = 0.98KPa) 5. D = Deflection in millimetres for the load U. 6. Mass is calculated in the
B405 30 50 26.4 40x5 U 298 167 107 74 52 41 26 18 13 10 8 6 2030 untreated condition. 7. Loads are calculated in accordance with an allowable bending stress of 171.6 MPa. 8. Loadbars are
D 0.9 1.6 2.5 3.6 4.9 6.4 10 14.5 19.7 25.7 32.6 40.2 assumed to be simply supported. 9. Webforge reserves the right to use alternative section sizes provided this does not affect
C455 40 100 34.7 45x5 U 286 160 102 71 52 40 25 17 13 10 7 6 5 2030 the performance of the product.
D 0.8 1.4 2.2 3.2 4.4 5.7 8.9 12.9 17.5 22.9 29.0 35.8 43.2
20 21