FS Industries ENGINEERED STEEL PRODUCTS
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STANDARD WELDED STEEL BAR GRATING

15W4 15/16" 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.

Cut to size panels, please contact us. Click on desired panel size: 2' x 20', 3' x 20', 3' x 24'

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PRICING
3' X 24' SMOOTH SURFACE PANELS (non serrated)
STEEL 15W4
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt.
(lbs.)
Painted
Black Price
Galvanized
Finish Price
15W4-1X18 1 x 1/8 15/16" 4"
464
15W4-34X316 3/4 x 3/16 15/16" 4"
512
15W4-1X316 1 x 3/16 15/16" 4"
667
15W4-114X316 1 1/4 x 3/16 15/16" 4"
823
15W4-112X316 1 1/2 x 3/16 15/16" 4"
995
15W4-134X316 1 3/4 x 3/16 15/16" 4"
1151
15W4-2X316 2 x 3/16 15/16" 4"
1306
15W4-214X316 2 1/4 x 3/16 15/16" 4"
1452
15W4-212X316 2 1/2 x 3/16 15/16" 4"
1607
3' X 24' SERRATED PANELS
STEEL 15W4
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt.
(lbs.)
Painted
Black Price
Galvanized
Finish Price
15W4-1X18 1 x 1/8 15/16" 4"
464
15W4-34X316 3/4 x 3/16 15/16" 4"
512
15W4-1X316 1 x 3/16 15/16" 4"
667
15W4-114X316 1 1/4 x 3/16 15/16" 4"
823
15W4-112X316 1 1/2 x 3/16 15/16" 4"
995
15W4-134X316 1 3/4 x 3/16 15/16" 4"
1151
15W4-2X316 2 x 3/16 15/16" 4"
1306
15W4-214X316 2 1/4 x 3/16 15/16" 4"
1452
15W4-212X316 2 1/2 x 3/16 15/16" 4"
1607

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~ Add items to your online shopping cart ~
Click a Price of the item you wish to purchase.


3' X 20' SMOOTH SURFACE PANELS (non serrated)
STEEL 15W4
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt.
(lbs.)
Painted
Black Price
Galvanized
Finish Price
15W4-1X18 1 x 1/8 15/16" 4"
386
15W4-34X316 3/4 x 3/16 15/16" 4"
427
15W4-1X316 1 x 3/16 15/16" 4"
556
15W4-114X316 1 1/4 x 3/16 15/16" 4"
686
15W4-112X316 1 1/2 x 3/16 15/16" 4"
829
15W4-134X316 1 3/4 x 3/16 15/16" 4"
959
15W4-2X316 2 x 3/16 15/16" 4"
1088
15W4-214X316 2 1/4 x 3/16 15/16" 4"
1210
15W4-212X316 2 1/2 x 3/16 15/16" 4"
1339
3' X 20' SERRATED PANELS
STEEL 15W4
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt.
(lbs.)
Painted
Black Price
Galvanized
Finish Price
15W4-1X18 1 x 1/8 15/16" 4"
386
15W4-34X316 3/4 x 3/16 15/16" 4"
427
15W4-1X316 1 x 3/16 15/16" 4"
556
15W4-114X316 1 1/4 x 3/16 15/16" 4"
686
15W4-112X316 1 1/2 x 3/16 15/16" 4"
829
15W4-134X316 1 3/4 x 3/16 15/16" 4"
959
15W4-2X316 2 x 3/16 15/16" 4"
1088
15W4-214X316 2 1/4 x 3/16 15/16" 4"
1210
15W4-212X316 2 1/2 x 3/16 15/16" 4"
1339

Order Online, by Phone, or by E-Mail

~ Add items to your online shopping cart ~
Click a Price of the item you wish to purchase.


2' X 20' SMOOTH SURFACE PANELS (non serrated)
STEEL 15W4
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt.
(lbs.)
Painted
Black Price
Galvanized
Finish Price
15W4-1X18 1 x 1/8 15/16" 4"
258
15W4-34X316 3/4 x 3/16 15/16" 4"
284
15W4-1X316 1 x 3/16 15/16" 4"
371
15W4-114X316 1 1/4 x 3/16 15/16" 4"
457
15W4-112X316 1 1/2 x 3/16 15/16" 4"
553
15W4-134X316 1 3/4 x 3/16 15/16" 4"
639
15W4-2X316 2 x 3/16 15/16" 4"
726
15W4-214X316 2 1/4 x 3/16 15/16" 4"
806
15W4-212X316 2 1/2 x 3/16 15/16" 4"
893
2' X 20' SERRATED PANELS
STEEL 15W4
Model No. Bar Size
D x W (in.)
Bearing
Bar Spacing
Cross Bar
Spacing
Wt.
(lbs.)
Painted
Black Price
Galvanized
Finish Price
15W4-1X18 1 x 1/8 15/16" 4"
258
15W4-34X316 3/4 x 3/16 15/16" 4"
284
15W4-1X316 1 x 3/16 15/16" 4"
371
15W4-114X316 1 1/4 x 3/16 15/16" 4"
457
15W4-112X316 1 1/2 x 3/16 15/16" 4"
553
15W4-134X316 1 3/4 x 3/16 15/16" 4"
639
15W4-2X316 2 x 3/16 15/16" 4"
726
15W4-214X316 2 1/4 x 3/16 15/16" 4"
806
15W4-212X316 2 1/2 x 3/16 15/16" 4"
893

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~ Add items to your online shopping cart ~
Click the Model No. of the item you wish to purchase.


Bar Grating Clip
Hold grating sections securely in place
Removable - reusable
Clip only - does not include nuts, bolts or
    washers
Use with 15W4
CLIP-15W4 ............................ $1.40 ea.

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

3/4" x 1/8"

15-4-W 4.7

0.150

U 450 288 200 147 113 89 - - - - - - -
D 0.099 0.155 0.223 0.304 0.397 0.503 - - - - - - -

3/4" x 3/16"

15-4-W 6.9

0.225

U 675 432 300 220 169 133 108 - - - - - -
D 0.099 0.155 0.223 0.304 0.397 0.503 0.621 - - - - - -

1" x 1/8"

15-4-W 6.1

0.267

U 800 512 356 261 200 158 128 106 89 - - - -
D 0.074 0.116 0.168 0.228 0.298 0.377 0.466 0.563 0.670 - - - -

1" x 3/16"

15-4-W 8.9

0.400

U 1200 768 533 392 300 237 192 159 133 - - - -
D 0.074 0.116 0.168 0.228 0.298 0.377 0.466 0.563 0.670 - - - -

1-1/4" x 1/8"

15-4-W 7.5

0.417

U 1250 800 556 408 313 247 200 165 139 118 102 - -
D 0.060 0.093 0.134 0.182 0.238 0.302 0.372 0.451 0.536 0.629 0.730 - -

1-1/4" x 3/16"

15-4-W 11.0

0.625

U 1875 1200 833 612 469 370 300 248 208 178 153 - -
D 0.060 0.093 0.134 0.182 0.238 0.302 0.372 0.451 0.536 0.629 0.730 - -

1-1/2" x 1/8"

15-4-W 8.9

0.600

U 1800 1152 800 588 450 356 288 238 200 170 147 113 89
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

1-1/2" x 3/16"

15-4-W 13.1

0.900

U 2700 1728 1200 882 675 533 432 357 300 256 220 169 133
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

1-3/4" x 3/16"

15-4-W 15.2

1.225

U 3675 2352 1633 1200 919 726 588 486 408 348 300 230 181
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

2" x 3/16"

15-4-W 17.3

1.600

U 4800 3072 2133 1567 1200 948 768 635 533 454 392 300 237
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

2-1/4" x 3/16"

15-4-W 19.4

2.025

U 6075 3888 2700 1984 1519 1200 972 803 675 575 496 380 300
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

2-1/2" x 3/16"

15-4-W 21.4

2.500

U 7500 4800 3333 2449 1875 1481 1200 992 833 710 612 469 370
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
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, 29,000,00 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.

15W PANEL WIDTH (inches)
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
1 1/16 2 2 15/16 3 7/8 4 13/16 5 3/4 6
11/16
7 5/8 8 9/16 9 1/2 10 7/16 11 3/8 12 5/16 13 1/4 14
3/16
15 1/8 16 1/16 17 17
15/16
3/16"
Bar
1 1/8 2 1/16 3 3 15/16 4 7/8 5 13/16 6 3/4 7 11/16 8 5/8 9 9/16 10 1/2 11 7/16 12 3/8 13 5/16 14 1/4 15 3/16 16 1/8 17 1/16 18
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
18 7/8 19
13/16
20 3/4 21
11/16
22 5/8 23
9/16
24 1/2 25
7/16
26 3/8 27
5/16
28 1/4 29
3/16
30 1/8 31
1/16
32 32
15/16
33 7/8 34
13/16
35 3/4
3/16"
Bar
18
15/16
19 7/8 20
13/16
21 3/4 22
11/16
23 5/8 24
9/16
25 1/2 26
7/16
27 3/8 28 5/16 29 1/4 30 3/16 31 1/8 32 1/16 33 33 15/16 34 7/8 35
13/16
Note: W-Welded cross rods may extend 1/8" each side. Panel widths do not include these extensions.

Welded Steel Bar Grating, Floor Grating, 15W4, 15W2, 15/16" Center to Center of Bearing Bars, Industrial, Walkways, Platforms,
Safety Barriers, Drainage Covers, Ventilation Grates, Mezzanine Decking, Painted Black, Galvanized Finish, and Bar Grating Clip
from your complete source for material handling equipment.
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