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WELDED STEEL BAR GRATING

11W2 11/16" CENTER TO CENTER OF BEARING BARS

Welded Steel Bar Grating is the most popular of all
grating types due to its strength, cost-efficient production
and ease of installation. Universally used in most general
industrial plants as well as commercial buildings, it has
wide applications as walkways, platforms, safety barriers,
drainage covers and ventilation grates.
It is also ideal for use as mezzanine decking since it
supports the same loads as comparable solid flooring.
More than that, its cost saving openness maximizes the
circulation of air, light, heat, water and sound, while
promoting cleanliness. And, where insurance codes
permit, additional sprinklers can often be eliminated.
Standard panels are available in widths of 2', 3' or 4'.
Welded steel bar grating is resistance welded to create a
rugged, one piece constructed panel. The bearing bars are
automatically resistance welded at the contact point with
the cross bars and, under a combination of high heat and
pressure, are fused together to form a permanent joint.
The cross bars provide a high degree of rigidity, yet retain
a smooth flat surface for free and easy walking.

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U = safe uniform load, psf Material: ASTM A-569 standard
C = safe concentrated load, pfw Deflection: Spans and loads to the right of the bold line exceed 1/4"
deflection for uniform load of 100 psf which provides safe pedestrian
comfort. These can be exceeded for other types of loads with engineer’s
approval.
D = deflection, inches
E = modulus of elasticity, 29,000,000 psi
F = fiber stress, 18,000 psi
Serrated Bars: For serrated grating, the depth of grating required for
a specified load is 1/4" deeper than that shown in the table.
General: Loads and deflections are theoretical and based on static
loading.
Click on desired panel size: 2' x 20', 3' x 20', 3' x 24' Cut to size panels, please contact us.
PRICING
3' X 24' SMOOTH SURFACE PANELS (non serrated)
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt. (lbs.) Painted
Black Price
Galvanized
Finish Price
11W2-1X316 1 x 3/16 11/16" 2" 907
11W2-1X316-S 1 1/4 x 3/16 11/16" 2" 1123
11W2-112X316 1 1/2 x 3/16 11/16" 2" 1274
3' X 24' SERRATED PANELS
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt. (lbs.) Painted
Black Price
Galvanized
Finish Price
11W2-1X316 1 x 3/16 11/16" 2" 907
11W2-1X316-S 1 1/4 x 3/16 11/16" 2" 1123
11W2-112X316 1 1/2 x 3/16 11/16" 2" 1274

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3' X 20' SMOOTH SURFACE PANELS (non serrated)
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt. (lbs.) Painted
Black Price
Galvanized
Finish Price
11W2-1X316 1 x 3/16 11/16" 2"
756
11W2-1X316-S 1 1/4 x 3/16 11/16" 2"
936
11W2-112X316 1 1/2 x 3/16 11/16" 2"
1062
3' X 20' SERRATED PANELS
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt. (lbs.) Painted
Black Price
Galvanized
Finish Price
11W2-1X316 1 x 3/16 11/16" 2"
756
11W2-1X316-S 1 1/4 x 3/16 11/16" 2"
936
11W2-112X316 1 1/2 x 3/16 11/16" 2"
1062

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Click a Price of the item you wish to purchase.

2' X 20' SMOOTH SURFACE PANELS (non serrated) back to top
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt. (lbs.) Painted
Black Price
Galvanized
Finish Price
11W2-1X316 1 x 3/16 11/16" 2"
504
11W2-1X316-S 1 1/4 x 3/16 11/16" 2"
624
11W2-112X316 1 1/2 x 3/16 11/16" 2"
708
2' X 20' SERRATED PANELS
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt. (lbs.) Painted
Black Price
Galvanized
Finish Price
11W2-1X316 1 x 3/16 11/16" 2"
504
11W2-1X316-S 1 1/4 x 3/16 11/16" 2"
624
11W2-112X316 1 1/2 x 3/16 11/16" 2"
708

LOAD & DEFLECTION TABLE SPAN (Length of Bearing Bar)
Bar
Size
Model
No.
Appx.
Wgt.
psf
Sec.
Mode
Per Ft.
of Width
Appx.
Wgt.
psf
24" 30" 36" 42" 48" 54" 60" 66" 72" 78" 84" 96" 108"

 

3/4" x 1/8"

 

11-2-W

 

6.8

 

0.205

U 614 393 273 200 153 121 98 - - - - - -
D 0.099 0.155 0.223 0.304 0.397 0.503 0.621 - - - - - -
C 614 491 409 351 307 273 245 - - - - - -
D 0.079 0.124 0.179 0.243 0.318 0.402 0.497 - - - - - -

 

3/4" x 3/16"

 

11-2-W

 

9.7

 

0.307

U 920 589 409 301 230 182 147 - - - - - -
D 0.099 0.155 0.223 0.304 0.397 0.503 0.621 - - - - - -
C 920 736 614 526 460 409 368 - - - - - -
D 0.079 0.124 0.179 0.243 0.318 0.402 0.497 - - - - - -

 

1" x 1/8"

 

11-2-W

 

8.6

 

0.364

U 1091 698 485 356 273 215 175 144 121 - - - -
D 0.074 0.116 0.168 0.228 0.298 0.377 0.466 0.563 0.670 - - - -
C 1091 873 727 623 545 485 436 397 364 - - - -
D 0.060 0.093 0.134 0.182 0.238 0.302 0.372 0.451 0.536 - - - -

 

1" x 3/16"

 

11-2-W

 

12.5

 

0.545

U 1636 1047 727 534 409 323 262 216 182 155 - - -
D 0.074 0.116 0.168 0.228 0.298 0.377 0.466 0.563 0.670 0.787 - - -
C 1636 1309 1091 935 818 727 655 595 545 503 - - -
D 0.060 0.093 0.134 0.182 0.238 0.302 0.372 0.451 0.536 0.629 - - -

 

1-1/4" x 1/8"

 

11-2-W

 

10.5

 

0.568

U 1705 1091 758 557 426 337 273 225 189 161 139 - -
D 0.060 0.093 0.134 0.182 0.238 0.302 0.372 0.451 0.536 0.629 0.730 - -
C 1705 1364 1136 974 852 758 682 620 568 524 487 - -
D 0.048 0.074 0.107 0.146 0.191 0.241 0.298 0.360 0.429 0.504 0.584 - -

 

1-1/4" x 3/16"

 

11-2-W

 

15.3

 

0.852

U 2557 1636 1136 835 639 505 409 338 284 242 209 160 -
D 0.060 0.093 0.134 0.182 0.238 0.302 0.372 0.451 0.536 0.629 0.730 0.953 -
C 2557 2045 1705 1461 1278 1136 1023 930 852 787 731 639 -
D 0.048 0.074 0.107 0.146 0.191 0.241 0.298 0.360 0.429 0.504 0.584 0.763 -

 

1-1/2" x 1/8"

 

11-2-W

 

12.4

 

0.818

U 2455 1571 1091 801 614 485 393 325 273 232 200 153 121
D 0.050 0.078 0.112 0.152 0.199 0.251 0.310 0.376 0.447 0.524 0.608 0.794 1.006
C 2455 1964 1636 1403 1227 1091 982 893 818 755 701 614 545
D 0.040 0.062 0.089 0.122 0.159 0.201 0.248 0.300 0.358 0.420 0.487 0.636 0.804

 

1-1/2" x 3/16"

 

11-2-W

 

18.1

 

1.227

U 3682 2356 1636 1202 920 727 589 487 409 349 301 230 182
D 0.050 0.078 0.112 0.152 0.199 0.251 0.310 0.376 0.447 0.524 0.608 0.794 1.006
C 3682 2945 2455 2104 1841 1636 1473 1339 1227 1133 1052 920 818
D 0.040 0.062 0.089 0.122 0.159 0.201 0.248 0.300 0.358 0.420 0.487 0.636 0.804

 

1-3/4" x 3/16"

 

11-2-W

 

21.0

 

1.670

U 5011 3207 2227 1636 1253 990 802 663 557 474 409 313 247
D 0.043 0.067 0.096 0.130 0.170 0.215 0.266 0.322 0.383 0.450 0.521 0.681 0.862
C 5011 4009 3341 2864 2506 2227 2005 1822 1670 1542 1432 1253 1114
D 0.034 0.053 0.077 0.104 0.136 0.172 0.213 0.257 0.306 0.360 0.417 0.545 0.689

 

2" x 3/16"

 

11-2-W

 

23.8

 

2.182

U 6545 4189 2909 2137 1636 1293 1047 866 727 620 534 409 323
D 0.037 0.058 0.084 0.114 0.149 0.189 0.233 0.282 0.335 0.393 0.456 0.596 0.754
C 6545 5236 4364 3740 3273 2909 2618 2380 2182 2014 1870 1636 1455
D 0.030 0.047 0.067 0.091 0.119 0.151 0.186 0.225 0.268 0.315 0.365 0.477 0.603

 

2-1/4" x 3/16"

 

11-2-W

 

26.6

 

2.761

U 8284 5302 3682 2705 2071 1636 1325 1095 920 784 676 518 409
D 0.033 0.052 0.074 0.101 0.132 0.168 0.207 0.250 0.298 0.350 0.406 0.530 0.670
C 8284 6627 5523 4734 4142 3682 3314 3012 2761 2549 2367 2071 1841
D 0.026 0.041 0.060 0.081 0.106 0.134 0.166 0.200 0.238 0.280 0.324 0.424 0.536

 

2-1/2" x 3/16"

 

11-2-W

 

29.4

 

3.409

U 10227 6545 4545 3340 2557 2020 1636 1352 1136 968 835 639 505
D 0.030 0.047 0.067 0.091 0.119 0.151 0.186 0.225 0.268 0.315 0.365 0.477 0.603
C 10227 8182 6818 5844 5114 4545 4091 3719 3409 3147 2922 2557 2273
D 0.024 0.037 0.054 0.073 0.095 0.121 0.149 0.180 0.215 0.252 0.292 0.381 0.483

11P PANEL WIDTH (inches) Note: W-Welded cross rods may extend 1/8" each side. Panel widths do not include these extensions.
No. of
Bars
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1/8" Bar 13/16 1 1/2 2 3/16 2 7/8 3 9/16 4 1/4 4 15/16 5 5/8 6 5/16 7 7 11/16 8 3/8 9 1/16 9 3/4 10 7/16 11 1/8 11 13/16 12 1/2 13 3/16
3/16" Bar 7/8 1 9/16 2 1/4 2 15/16 3 5/8 4 5/16 5 5 11/16 6 3/8 7 1/16 7 3/4 8 7/16 9 1/8 9 13/16 10 1/2 11 3/16 11 7/8 12 9/16 13 1/4
No. of
Bars
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
1/8" Bar 13 7/8 14 9/16 15 1/4 15
15/16
16 5/8 17
5/16
18 18
11/16
19 3/8 20
1/16
20 3/4 21
7/16
22 1/8 22
13/16
23 1/2 24
3/16
24 7/8 25
9/16
26 1/4
3/16" Bar 13
15/16
14 5/8 15
5/16
16 16
11/16
17 3/8 18
1/16
18 3/4 19
7/16
20 1/8 20
13/16
21 1/2 22 3/16 22 7/8 23
9/16
24 1/4 24 15/16 25 5/8 26 5/16
No. of
Bars
40 41 42 43 44 45 46 47 48 49 50 51 52 53  
1/8" Bar 26
15/16
27 5/8 28
5/16
29 29
11/16
30 3/8 31
1/16
31 3/4 32
7/16
33 1/8 33
13/16
34 1/2 35
3/16
35 7/8  
3/16" Bar 27 27
11/16
28 3/8 29 1/16 29 3/4 30
7/16
31 1/8 31
13/16
32 1/2 33
3/16
33 7/8 34
9/16
35 1/4 35
15/16
 
Welded Steel Bar Grating, Floor Grating, 11W2, 11/16" Center to Center of Bearing Bars, Industrial, Walkways, Platforms, Safety
Barriers, Drainage Covers, Ventilation Grates, Painted Black, and Galvanized Finish from your complete source for material handling
equipment.

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