We mainly commit to the integrated demand and supply of Steel Stair Steps, Grating Clip, Heavy Duty Steel Grating for domestic and foreign enterprises, relying on a mature supply chain system, customer management system and strong capital support. We are always moving forward steadily. With the standardization of business operation, informationization of management, scale of operation and maturation of capital operation, we have steadily stepped out of a unique development path. We strive to build a harmonious labor relationship and share the achievements of enterprise development with employees. We benchmark ourselves against the advanced level of domestic and foreign enterprises, and focus on the development path of industrial restructuring and optimization of internal stock assets.
The heavy duty bar grating is resistance welded to ensure maximum strength, durability, and safety. And it can withstand repeatedly heavy loads. We provide heavy duty carbon steel grating and heavy duty stainless steel grating to meet customer needs. The heavy duty grating is considered to be ideal grids for heavy-duty areas such as highways, parking lots, loading docks, ramps, airports, truck and bus terminals, buses, freight stations, subways and industrial plants.
The Specification is As Follows:
* Standard Widths: 2′, 3′, and 4′ in 20′ lengths.
* Standard bearing bars: 1/4″, 5/16″, and 3/8″ thick.
* Bars range from 1″ to 8″ deep.
Main Features
* High load-bearing capacity
* Good slip resistance
* Easy to install and remove
* Various surface treatments
Applications
* Machinery Protection – Can be used to protect machinery from being damaged by falling objects.
* Ventilation Grilles – Ensure the smooth flow of air.
* Stairs Treads – Provide good slip resistance.
* Fencing – Protect people and property from being damaged by falling objects.
* Handrails – Good load-bearing capacity and can be used as handrails.
Technical Parameters
15 Space (15/16") Load Table
Bearing Bar Size (inches) | Section Modulus Per Foot of Width | Moment of Inertia Per Foot of Width | Approx. Weight psf | Maximum Safe Span | ||||||
H-25 Load | H-20 Load | H-15 Load | Auto Traffic | 5 Ton Forklift | 3 Ton Forklift | 1 Ton Forklift | ||||
1x1/4 | 0.533 | 0.267 | 12.0 | 1'-1" | 1'-0" | 0'-10" | 1'-2" | 0'-8" | 0'-7" | 0'-8" |
1x5/16 | 0.667 | 0.333 | 14.7 | 1'-3" | 1'-2" | 1'-0" | 1'-5" | 0'-9" | 0'-8" | 0'-9" |
1x3/8 | 0.800 | 0.400 | 17.4 | 1'-4" | 1'-3" | 1'-1" | 1'-7" | 0'-10" | 0'-8" | 0'-11" |
1-1/4x1/4 | 0.833 | 0.521 | 14.7 | 1'-4" | 1'-3" | 1'-1" | 1'-8" | 0'-10" | 0'-9" | 0'-11" |
1-1/4x5/16 | 1.042 | 0.651 | 18.1 | 1'-6" | 1'-5" | 1'-3" | 1'-11" | 1'-0" | 0'-10" | 1'-1" |
1-1/4x3/8 | 1.250 | 0.781 | 21.5 | 1'-8" | 1'-6" | 1'-4" | 2'-1" | 1'-1" | 0'-11" | 1'-4" |
1-1/2x1/4 | 1.200 | 0.900 | 17.4 | 1'-8" | 1'-6" | 1'-4" | 2'-3" | 1'-1" | 0'-11" | 1'-3" |
1-1/2x5/16 | 1.500 | 1.125 | 21.5 | 1'-10" | 1'-8" | 1'-6" | 2'-6" | 1'-3" | 1'-1" | 1'-7" |
1-1/2x3/8 | 1.800 | 1.350 | 25.6 | 2'-0" | 1'-10" | 1'-8" | 2'-9" | 1'-4" | 1'-3" | 1'-10" |
1-3/4x1/4 | 1.633 | 1.429 | 20.2 | 1'-11" | 1'-9" | 1'-7" | 2'-10" | 1'-3" | 1'-2" | 1'-8" |
1-3/4x5/16 | 2.042 | 1.786 | 24.9 | 2'-2" | 2'-0" | 1'-10" | 3'-2" | 1'-6" | 1'-5" | 2'-1" |
1-3/4x3/8 | 2.450 | 2.144 | 29.7 | 2'-5" | 2'-3" | 2'-1" | 3'-6" | 1'-9" | 1'-8" | 2'-6" |
2x1/4 | 2.133 | 2.133 | 22.9 | 2'-3" | 2'-0" | 1'-10" | 3'-6" | 1'-7" | 1'-5" | 2'-2" |
2x5/16 | 2.667 | 2.667 | 28.3 | 2'-6" | 2'-4" | 2'-2" | 3'-11" | 1'-10" | 1'-9" | 2'-8" |
2x3/8 | 3.200 | 3.200 | 33.8 | 2'-10" | 2'-8" | 2'-6" | 4'-3" | 2'-1" | 2'-1" | 3'-2" |
2-1/4x1/4 | 2.700 | 3.038 | 25.6 | 2'-7" | 2'-4" | 2'-2" | 4'-2" | 1'-10" | 1'-9" | 2'-8" |
2-1/4x5/16 | 3.375 | 3.797 | 31.7 | 2'-11" | 2'-9" | 2'-7" | 4'-5" | 2'-2" | 2'-2" | 3'-4" |
2-1/4x3/8 | 4.050 | 4.556 | 37.8 | 3'-4" | 3'-2" | 3'-0" | 4'-9" | 2'-7" | 2'-6" | 3'-11" |
2-1/2x1/4 | 3.333 | 4.167 | 28.3 | 2'-11" | 2'-9" | 2'-7" | 4'-7" | 2'-2" | 2'-2" | 3'-4" |
2-1/2x5/16 | 4.167 | 5.208 | 35.1 | 3'-5" | 3'-3" | 3'-1" | 4'-11" | 2'-8" | 2'-7" | 4'-1" |
2-1/2x3/8 | 5.000 | 6.250 | 41.9 | 3'-10" | 3'-9" | 3'-7" | 5'-3" | 3'-1" | 3'-1" | 4'-5" |
3x1/4 | 4.800 | 7.200 | 33.8 | 3'-9" | 3'-7" | 3'-6" | 5'-6" | 3'-0" | 3'-0" | 4'-8" |
3x5/16 | 6.000 | 9.000 | 41.9 | 4'-5" | 4'-4" | 4'-2" | 5'-11" | 3'-7" | 3'-8" | 5'-0" |
3x3/8 | 7.200 | 10.800 | 50.1 | 4'-8" | 4'-7" | 4'-7" | 6'-4" | 4'-3" | 4'-4" | 5'-4" |
3-1/2x1/4 | 6.533 | 11.433 | 39.2 | 4'-9" | 4'-7" | 4'-6" | 6'-5" | 3'-11" | 3'-11" | 5'-5" |
3-1/2x5/16 | 8.167 | 14.292 | 48.7 | 5'-1" | 5'-1" | 5'-1" | 6'-11" | 4'-9" | 4'-10" | 5'-10" |
3-1/2x3/8 | 9.800 | 17.150 | 58.2 | 5'-5" | 5'-4" | 5'-5" | 7'-4" | 5'-2" | 5'-3" | 6'-3" |
4x1/4 | 8.533 | 17.067 | 44.6 | 5'-4" | 5'-4" | 5'-4" | 7'-4" | 4'-11" | 5'-1" | 6'-3" |
4x5/16 | 10.667 | 21.333 | 55.5 | 5'-9" | 5'-9" | 5'-9" | 7'-11" | 5'-6" | 5'-8" | 6'-8" |
4x3/8 | 12.800 | 25.600 | 66.4 | 6'-1" | 6'-1" | 6'-2" | 8'-5" | 5'-11" | 6'-0" | 7'-2" |
4-1/2x1/4 | 10.800 | 24.300 | 50.1 | 6'-0" | 6'-0" | 6'-0" | 8'-3" | 5'-9" | 5'-11" | 7'-0" |
4-1/2x5/16 | 13.500 | 30.375 | 62.3 | 6'-6" | 6'-6" | 6'-6" | 8'-11" | 6'-3" | 6'-4" | 7'-7" |
4-1/2x3/8 | 16.200 | 36.450 | 74.6 | 6'-10" | 6'-10" | 6'-11" | 9'-6" | 6'-7" | 6'-9" | 8'-0" |
5x1/4 | 13.333 | 33.333 | 55.5 | 6'-8" | 6'-8" | 6'-9" | 9'-2" | 6'-5" | 6'-7" | 7'-9" |
5x3/8 | 20.000 | 50.000 | 82.7 | 7'-7" | 7'-8" | 7'-8" | 10'-6" | 7'-4" | 7'-6" | 8'-11" |
5x1/2 | 26.667 | 66.667 | 109.9 | 8'-4" | 8'-5" | 8'-5" | 11'-7" | 8'-1" | 8'-3" | 9'-10" |
6x1/4 | 19.200 | 57.600 | 66.4 | 8'-0" | 8'-0" | 8'-1" | 11'-1" | 7'-8" | 7'-10" | 9'-4" |
6x3/8 | 28.800 | 86.400 | 99.0 | 9'-1" | 9'-2" | 9'-2" | 12'-8" | 8'-10" | 9'-0" | 10'-9" |
6x1/2 | 38.400 | 115.200 | 131.7 | 10'-0" | 10'-1" | 10'-2" | 13'-11" | 9'-9" | 9'-11" | 11'-10" |
7x1/4 | 26.133 | 91.467 | 77.3 | 9'-3" | 9'-4" | 9'-5" | 12'-11" | 9'-0" | 9'-2" | 10'-11" |
7x3/8 | 39.200 | 137.200 | 115.4 | 10'-7" | 10'-8" | 10'-9" | 14'-9" | 10'-4" | 10'-6" | 12'-6" |
7x1/2 | 52.267 | 182.933 | 153.4 | 11'-8" | 11'-9" | 11'-10" | 16'-3" | 11'-4" | 11'-7" | 13'-9" |
19 Space (1-3/16") Load Table
Bearing Bar Size (inches) | Section Modulus Per Foot of Width | Moment of Inertia Per Foot of Width | Approx. Weight psf | Maximum Safe Span | ||||||
H-25 Load | H-20 Load | H-15 Load | Auto Traffic | 5 Ton Forklift | 3 Ton Forklift | 1 Ton Forklift | ||||
1x1/4 | 0.421 | 0.211 | 9.7 | 1'-0" | 0'-10" | 0'-9" | 1'-0" | 0'-7" | 0'-6" | 0'-7" |
1x5/16 | 0.526 | 0.263 | 11.9 | 1'-1" | 1'-0" | 0'-10" | 1'-2" | 0'-8" | 0'-7" | 0'-8" |
1x3/8 | 0.632 | 0.316 | 14.0 | 1'-2" | 1'-1" | 0'-11" | 1'-4" | 0'-9" | 0'-8" | 0'-9" |
1-1/4x1/4 | 0.658 | 0.411 | 11.9 | 1'-3" | 1'-1" | 1'-0" | 1'-5" | 0'-9" | 0'-8" | 0'-10" |
1-1/4x5/16 | 0.822 | 0.514 | 14.5 | 1'-4" | 1'-3" | 1'-1" | 1'-8" | 0'-10" | 0'-9" | 1'-0" |
1-1/4x3/8 | 0.987 | 0.617 | 17.2 | 1'-6" | 1'-4" | 1'-2" | 1'-11" | 1'-0" | 0'-10" | 1'-2" |
1-1/2x1/4 | 0.947 | 0.711 | 14.0 | 1'-6" | 1'-4" | 1'-2" | 1'-11" | 0'-11" | 0'-10" | 1'-1" |
1-1/2x5/16 | 1.184 | 0.888 | 17.2 | 1'-8" | 1'-6" | 1'-4" | 2'-3" | 1'-1" | 0'-11" | 1'-4" |
1-1/2x3/8 | 1.421 | 1.066 | 20.4 | 1'-10" | 1'-8" | 1'-6" | 2'-6" | 1'-2" | 1'-1" | 1'-7" |
1-3/4x1/4 | 1.289 | 1.128 | 16.2 | 1'-9" | 1'-7" | 1'-5" | 2'-5" | 1'-2" | 1'-0" | 1'-5" |
1-3/4x5/16 | 1.612 | 1.410 | 19.9 | 1'-11" | 1'-9" | 1'-7" | 2'-11" | 1'-4" | 1'-3" | 1'-9" |
1-3/4x3/8 | 1.934 | 1.692 | 23.7 | 2'-2" | 1'-11" | 1'-9" | 3'-2" | 1'-6" | 1'-5" | 2'-1" |
2x1/4 | 1.684 | 1.684 | 18.3 | 2'-0" | 1'-10" | 1'-8" | 3'-1" | 1'-4" | 1'-3" | 1'-10" |
2x5/16 | 2.105 | 2.105 | 22.6 | 2'-3" | 2'-1" | 1'-11" | 3'-6" | 1'-7" | 1'-6" | 2'-4" |
2x3/8 | 2.526 | 2.526 | 26.9 | 2'-6" | 2'-4" | 2'-2" | 3'-10" | 1'-10" | 1'-9" | 2'-9" |
2-1/4x1/4 | 2.132 | 2.398 | 20.4 | 2'-3" | 2'-1" | 1'-11" | 3'-9" | 1'-7" | 1'-6" | 2'-4" |
2-1/4x5/16 | 2.664 | 2.998 | 25.3 | 2'-7" | 2'-5" | 2'-3" | 4'-2" | 1'-11" | 1'-10" | 2'-11" |
2-1/4x3/8 | 3.197 | 3.597 | 30.1 | 2'-10" | 2'-8" | 2'-7" | 4'-5" | 2'-2" | 2'-2" | 3'-5" |
2-1/2x1/4 | 2.632 | 3.289 | 22.6 | 2'-6" | 2'-4" | 2'-3" | 4'-4" | 1'-10" | 1'-10" | 2'-10" |
2-1/2x5/16 | 3.289 | 4.112 | 28.0 | 2'-11" | 2'-9" | 2'-7" | 4'-8" | 2'-3" | 2'-3" | 3'-6" |
2-1/2x3/8 | 3.947 | 4.934 | 33.3 | 3'-4" | 3'-2" | 3'-0" | 4'-11" | 2'-7" | 2'-7" | 4'-2" |
3x1/4 | 3.789 | 5.684 | 26.9 | 3'-3" | 3'-1" | 2'-11" | 5'-2" | 2'-6" | 2'-6" | 4'-1" |
3x5/16 | 4.737 | 7.105 | 33.3 | 3'-9" | 3'-7" | 3'-6" | 5'-7" | 3'-0" | 3'-1" | 4'-9" |
3x3/8 | 5.684 | 8.526 | 39.8 | 4'-4" | 4'-2" | 4'-1" | 5'-11" | 3'-7" | 3'-8" | 5'-1" |
3-1/2x1/4 | 5.158 | 9.026 | 31.2 | 4'-0" | 3'-10" | 3'-9" | 6'-0" | 3'-3" | 3'-4" | 5'-2" |
3-1/2x5/16 | 6.447 | 11.283 | 38.7 | 4'-9" | 4'-8" | 4'-7" | 6'-6" | 4'-0" | 4'-1" | 5'-7" |
3-1/2x3/8 | 7.737 | 13.539 | 46.2 | 5'-0" | 5'-0" | 5'-0" | 6'-11" | 4'-8" | 4'-10" | 5'-11" |
4x1/4 | 6.737 | 13.474 | 35.5 | 4'-11" | 4'-10" | 4'-9" | 6'-11" | 4'-2" | 4'-3" | 5'-11" |
4x5/16 | 8.421 | 16.842 | 44.1 | 5'-5" | 5'-5" | 5'-5" | 7'-5" | 5'-1" | 5'-3" | 6'-4" |
4x3/8 | 10.105 | 20.211 | 52.7 | 5'-8" | 5'-8" | 5'-9" | 7'-11" | 5'-6" | 5'-8" | 6'-9" |
4-1/2x1/4 | 8.526 | 19.184 | 39.8 | 5'-7" | 5'-7" | 5'-8" | 7'-9" | 5'-1" | 5'-4" | 6'-8" |
4-1/2x5/16 | 10.658 | 30.375 | 49.4 | 6'-0" | 6'-0" | 6'-1" | 8'-4" | 5'-10" | 6'-0" | 7'-2" |
4-1/2x3/8 | 12.789 | 28.776 | 59.1 | 6'-5" | 6'-5" | 6'-5" | 8'-11" | 6'-2" | 6'-4" | 7'-7" |
5x1/4 | 10.526 | 26.316 | 44.1 | 6'-3" | 6'-3" | 6'-3" | 8'-8" | 6'-0" | 6'-2" | 7'-5" |
5x3/8 | 15.789 | 39.474 | 65.5 | 7'-1" | 7'-1" | 7'-2" | 9'-11" | 6'-11" | 7'-1" | 8'-6" |
5x1/2 | 21.053 | 52.632 | 87.0 | 7'-10" | 7'-10" | 7'-11" | 10'-11" | 7'-7" | 7'-9" | 9'-4" |
6x1/4 | 15.158 | 45.474 | 52.7 | 7'-5" | 7'-5" | 7'-6" | 10'-4" | 7'-3" | 7'-5" | 8'-11" |
6x3/8 | 22.737 | 68.211 | 78.4 | 8'-6" | 8'-6" | 8'-7" | 11'-10" | 8'-3" | 8'-6" | 10'-2" |
6x1/2 | 30.316 | 90.947 | 104.2 | 9'-4" | 9'-4" | 9'-5" | 13'-1" | 9'-1" | 9'-4" | 11'-2" |
7x1/4 | 20.632 | 72.211 | 61.2 | 8'-8" | 8'-8" | 8'-9" | 12'-1" | 8'-5" | 8'-8" | 10'-4" |
7x3/8 | 30.947 | 108.316 | 91.3 | 9'-11" | 9'-11" | 10'-0" | 13'-10" | 9'-8" | 9'-11" | 11'-10" |
7x1/2 | 41.263 | 144.421 | 121.4 | 10'-10" | 10'-11" | 11'-0" | 15'-3" | 10'-7" | 10'-11" | 13'-1" |
22 Space (1-3/8") Load Table
Bearing Bar Size (inches) | Section Modulus Per Foot of Width | Moment of Inertia Per Foot of Width | Approx. Weight psf | Maximum Safe Span | ||||||
H-25 Load | H-20 Load | H-15 Load | Auto Traffic | 5 Ton Forklift | 3 Ton Forklift | 1 Ton Forklift | ||||
1x1/4 | 0.364 | 0.182 | 8.5 | 0'-11" | 0'-10" | 0'-9" | 0'-11" | 0'-7" | 0'-6" | 0'-6" |
1x5/16 | 0.455 | 0.227 | 10.4 | 1'-0" | 0'-11" | 0'-10" | 1'-1" | 0'-8" | 0'-6" | 0'-7" |
1x3/8 | 0.545 | 0.273 | 12.2 | 1'-1" | 1'-0" | 0'-11" | 1'-3" | 0'-9" | 0'-7" | 0'-9" |
1-1/4x1/4 | 0.568 | 0.355 | 10.4 | 1'-2" | 1'-0" | 0'-11" | 1'-4" | 0'-9" | 0'-7" | 0'-9" |
1-1/4x5/16 | 0.710 | 0.444 | 12.7 | 1'-3" | 1'-2" | 1'-0" | 1'-6" | 0'-10" | 0'-8" | 0'-11" |
1-1/4x3/8 | 0.852 | 0.533 | 15.0 | 1'-5" | 1'-3" | 1'-1" | 1'-9" | 0'-11" | 0'-9" | 1'-1" |
1-1/2x1/4 | 0.818 | 0.614 | 12.2 | 1'-5" | 1'-3" | 1'-1" | 1'-9" | 0'-11" | 0'-9" | 1'-0" |
1-1/2x5/16 | 1.023 | 0.767 | 15.0 | 1'-7" | 1'-5" | 1'-3" | 2'-1" | 1'-0" | 0'-11" | 1'-3" |
1-1/2x3/8 | 1.227 | 0.920 | 17.8 | 1'-8" | 1'-6" | 1'-4" | 2'-5" | 1'-1" | 1'-0" | 1'-6" |
1-3/4x1/4 | 1.114 | 0.974 | 14.1 | 1'-8" | 1'-6" | 1'-3" | 2'-3" | 1'-1" | 0'-11" | 1'-4" |
1-3/4x5/16 | 1.392 | 1.218 | 17.3 | 1'-10" | 1'-8" | 1'-6" | 2'-8" | 1'-2" | 1'-1" | 1'-8" |
1-3/4x3/8 | 1.670 | 1.462 | 20.6 | 2'-0" | 1'-10" | 1'-8" | 3'-0" | 1'-4" | 1'-3" | 1'-11" |
2x1/4 | 1.455 | 1.455 | 16.0 | 1'-10" | 1'-8" | 1'-6" | 2'-10" | 1'-3" | 1'-2" | 1'-9" |
2x5/16 | 1.818 | 1.818 | 19.7 | 2'-1" | 1'-11" | 1'-9" | 3'-4" | 1'-5" | 1'-5" | 2'-1" |
2x3/8 | 2.182 | 2.182 | 23.4 | 2'-4" | 2'-1" | 2'-0" | 3'-8" | 1'-8" | 1'-7" | 2'-6" |
2-1/4x1/4 | 1.841 | 2.071 | 17.8 | 2'-1" | 1'-11" | 1'-9" | 3'-5" | 1'-6" | 1'-5" | 2'-2" |
2-1/4x5/16 | 2.301 | 2.589 | 22.0 | 2'-4" | 2'-2" | 2'-0" | 4'-0" | 1'-9" | 1'-8" | 2'-8" |
2-1/4x3/8 | 2.761 | 3.107 | 26.2 | 2'-8" | 2'-6" | 2'-4" | 4'-3" | 2'-0" | 2'-0" | 3'-2" |
2-1/2x1/4 | 2.273 | 2.841 | 19.7 | 2'-4" | 2'-2" | 2'-0" | 4'-2" | 1'-8" | 1'-8" | 2'-7" |
2-1/2x5/16 | 2.841 | 3.551 | 24.3 | 2'-8" | 2'-6" | 2'-5" | 4'-6" | 2'-0" | 2'-0" | 3'-3" |
2-1/2x3/8 | 3.409 | 4.261 | 28.9 | 3'-0" | 2'-10" | 2'-9" | 4'-9" | 2'-4" | 2'-4" | 3'-10" |
3x1/4 | 3.273 | 4.909 | 23.4 | 2'-11" | 2'-9" | 2'-8" | 5'-0" | 2'-3" | 2'-3" | 3'-8" |
3x5/16 | 4.091 | 6.136 | 28.9 | 3'-5" | 3'-3" | 3'-2" | 5'-4" | 2'-9" | 2'-9" | 4'-7" |
3x3/8 | 4.909 | 7.364 | 34.5 | 3'-11" | 3'-9" | 3'-8" | 5'-8" | 3'-2" | 3'-4" | 4'-11" |
3-1/2x1/4 | 4.455 | 7.795 | 27.1 | 3'-8" | 3'-6" | 3'-5" | 5'-10" | 2'-11" | 3'-0" | 5'-0" |
3-1/2x5/16 | 5.568 | 9.744 | 33.6 | 4'-4" | 4'-2" | 4'-1" | 6'-3" | 3'-7" | 3'-8" | 5'-5" |
3-1/2x3/8 | 6.682 | 11.693 | 40.1 | 4'-10" | 4'-10" | 4'-10" | 6'-8" | 4'-2" | 4'-5" | 5'-9" |
4x1/4 | 5.818 | 11.636 | 30.8 | 4'-5" | 4'-4" | 4'-3" | 6'-8" | 3'-9" | 3'-10" | 5'-9" |
4x5/16 | 7.273 | 14.545 | 38.2 | 5'-2" | 5'-2" | 5'-2" | 7'-2" | 4'-6" | 4'-9" | 6'-2" |
4x3/8 | 8.727 | 17.455 | 45.6 | 5'-6" | 5'-6" | 5'-6" | 7'-7" | 5'-3" | 5'-5" | 6'-7" |
4-1/2x1/4 | 7.364 | 16.568 | 34.5 | 5'-4" | 5'-3" | 5'-3" | 7'-6" | 4'-7" | 4'-10" | 6'-5" |
4-1/2x5/16 | 9.205 | 20.710 | 42.8 | 5'-9" | 5'-9" | 5'-10" | 8'-1" | 5'-7" | 5'-9" | 6'-11" |
4-1/2x3/8 | 11.045 | 24.852 | 51.2 | 6'-2" | 6'-2" | 6'-2" | 8'-7" | 5'-11" | 6'-1" | 7'-5" |
5x1/4 | 9.091 | 22.727 | 38.2 | 5'-11" | 6'-0" | 6'-0" | 8'-4" | 5'-7" | 5'-11" | 7'-2" |
5x3/8 | 13.636 | 34.091 | 56.8 | 6'-9" | 6'-10" | 6'-10" | 9'-6" | 6'-7" | 6'-10" | 8'-3" |
5x1/2 | 18.182 | 45.455 | 75.3 | 7'-6" | 7'-6" | 7'-7" | 10'-6" | 7'-3" | 7'-6" | 9'-1" |
6x1/4 | 13.091 | 39.273 | 45.6 | 7'-1" | 7'-2" | 7'-2" | 10'-0" | 6'-11" | 7'-2" | 8'-7" |
6x3/8 | 19.636 | 58.909 | 67.9 | 8'-1" | 8'-2" | 8'-3" | 11'-5" | 7'-11" | 8'-2" | 9'-10" |
6x1/2 | 26.182 | 78.545 | 90.1 | 8'-11" | 9'-0" | 9'-1" | 12'-7" | 8'-9" | 9'-0" | 10'-10" |
7x1/4 | 17.818 | 62.364 | 53.1 | 8'-3" | 8'-4" | 8'-5" | 11'-8" | 8'-1" | 8'-4" | 10'-1" |
7x3/8 | 26.727 | 93.545 | 79.0 | 9'-5" | 9'-6" | 9'-7" | 13'-4" | 9'-3" | 9'-6" | 11'-6" |
7x1/2 | 35.636 | 124.727 | 105.0 | 10'-5" | 10'-6" | 10'-7" | 14'-8" | 10'-2" | 10'-6" | 12'-8" |
30 Space (1-7/8") Load Table
Bearing Bar Size (inches) | Section Modulus Per Foot of Width | Moment of Inertia Per Foot of Width | Approx. Weight psf | Maximum Safe Span | ||||||
H-25 Load | H-20 Load | H-15 Load | Auto Traffic | 5 Ton Forklift | 3 Ton Forklift | 1 Ton Forklift | ||||
1x1/4 | 0.267 | 0.133 | 6.6 | 0'-9" | 0'-9" | 0'-8" | 0'-10" | 0'-6" | 0'-5" | 0'-6" |
1x5/16 | 0.333 | 0.167 | 7.9 | 0'-11" | 0'-10" | 0'-8" | 0'-11" | 0'-7" | 0'-6" | 0'-7" |
1x3/8 | 0.400 | 0.200 | 9.3 | 1'-0" | 0'-11" | 0'-9" | 1'-1" | 0'-8" | 0'-6" | 0'-8" |
1-1/4x1/4 | 0.417 | 0.260 | 7.9 | 1'-0" | 0'-11" | 0'-10" | 1'-1" | 0'-8" | 0'-6" | 0'-8" |
1-1/4x5/16 | 0.521 | 0.326 | 9.6 | 1'-1" | 1'-0" | 0'-11" | 1'-3" | 0'-9" | 0'-7" | 0'-9" |
1-1/4x3/8 | 0.625 | 0.391 | 11.3 | 1'-3" | 1'-1" | 1'-0" | 1'-6" | 0'-10" | 0'-8" | 0'-11" |
1-1/2x1/4 | 0.600 | 0.450 | 9.3 | 1'-2" | 1'-1" | 1'-0" | 1'-5" | 0'-9" | 0'-8" | 0'-11" |
1-1/2x5/16 | 0.750 | 0.563 | 11.3 | 1'-4" | 1'-3" | 1'-1" | 1'-9" | 0'-10" | 0'-9" | 1'-1" |
1-1/2x3/8 | 0.900 | 0.675 | 13.4 | 1'-6" | 1'-4" | 1'-2" | 2'-0" | 1'-0" | 0'-10" | 1'-3" |
1-3/4x1/4 | 0.817 | 0.715 | 10.6 | 1'-5" | 1'-3" | 1'-2" | 1'-10" | 0'-11" | 0'-10" | 1'-2" |
1-3/4x5/16 | 1.021 | 0.893 | 13.0 | 1'-7" | 1'-5" | 1'-3" | 2'-2" | 1'-0" | 0'-11" | 1'-5" |
1-3/4x3/8 | 1.225 | 1.072 | 15.4 | 1'-9" | 1'-7" | 1'-5" | 2'-7" | 1'-2" | 1'-1" | 1'-8" |
2x1/4 | 1.067 | 1.067 | 12.0 | 1'-7" | 1'-6" | 1'-4" | 2'-3" | 1'-1" | 1'-0" | 1'-6" |
2x5/16 | 1.333 | 1.333 | 14.7 | 1'-10" | 1'-8" | 1'-6" | 2'-9" | 1'-3" | 1'-2" | 1'-10" |
2x3/8 | 1.600 | 1.600 | 17.4 | 2'-0" | 1'-10" | 1'-8" | 3'-3" | 1'-5" | 1'-4" | 2'-2" |
2-1/4x1/4 | 1.350 | 1.519 | 13.4 | 1'-10" | 1'-8" | 1'-6" | 2'-10" | 1'-3" | 1'-2" | 1'-10" |
2-1/4x5/16 | 1.688 | 1.898 | 16.4 | 2'-0" | 1'-10" | 1'-9" | 3'-5" | 1'-5" | 1'-5" | 2'-3" |
2-1/4x3/8 | 2.025 | 2.278 | 19.5 | 2'-3" | 2'-1" | 1'-11" | 3'-11" | 1'-8" | 1'-8" | 2'-8" |
2-1/2x1/4 | 1.667 | 2.083 | 14.7 | 2'-0" | 1'-10" | 1'-8" | 3'-5" | 1'-5" | 1'-5" | 2'-3" |
2-1/2x5/16 | 2.083 | 2.604 | 18.1 | 2'-3" | 2'-1" | 2'-0" | 4'-2" | 1'-8" | 1'-8" | 2'-9" |
2-1/2x3/8 | 2.500 | 3.125 | 21.5 | 2'-6" | 2'-5" | 2'-3" | 4'-5" | 1'-11" | 2'-0" | 3'-3" |
3x1/4 | 2.400 | 3.600 | 17.4 | 2'-6" | 2'-4" | 2'-2" | 4'-7" | 1'-11" | 1'-11" | 3'-2" |
3x5/16 | 3.000 | 4.500 | 21.5 | 2'-10" | 2'-8" | 2'-7" | 5'-0" | 2'-3" | 2'-4" | 3'-11" |
3x3/8 | 3.600 | 5.400 | 25.6 | 3'-3" | 3'-1" | 3'-0" | 5'-3" | 2'-7" | 2'-9" | 4'-8" |
3-1/2x1/4 | 3.267 | 5.717 | 20.2 | 3'-0" | 2'-10" | 2'-9" | 5'-5" | 2'-5" | 2'-6" | 4'-3" |
3-1/2x5/16 | 4.083 | 7.146 | 24.9 | 3'-6" | 3'-5" | 3'-4" | 5'-10" | 2'-11" | 3'-1" | 5'-1" |
3-1/2x3/8 | 4.900 | 8.575 | 29.7 | 4'-0" | 3'-11" | 3'-10" | 6'-2" | 3'-5" | 3'-7" | 5'-5" |
4x1/4 | 4.267 | 8.533 | 22.9 | 3'-7" | 3'-6" | 3'-7" | 6'-2" | 3'-0" | 3'-2" | 5'-5" |
4x5/16 | 5.333 | 10.667 | 28.3 | 4'-1" | 4'-2" | 4'-2" | 6'-8" | 3'-8" | 3'-11" | 5'-10" |
4x3/8 | 6.400 | 12.800 | 33.8 | 4'-11" | 4'-10" | 4'-10" | 7'-1" | 4'-4" | 4'-8" | 6'-2" |
4-1/2x1/4 | 5.400 | 12.150 | 25.6 | 4'-4" | 4'-3" | 4'-2" | 6'-11" | 3'-8" | 3'-11" | 6'-1" |
4-1/2x5/16 | 6.750 | 15.188 | 31.7 | 5'-2" | 5'-1" | 5'-1" | 7'-6" | 4'-6" | 4'-10" | 6'-7" |
4-1/2x3/8 | 8.100 | 18.225 | 37.8 | 5'-7" | 5'-7" | 5'-8" | 7'-11" | 5'-4" | 5'-8" | 7'-0" |
5x1/4 | 6.667 | 16.667 | 28.3 | 5'-1" | 5'-0" | 5'-0" | 7'-8" | 4'-6" | 4'-10" | 6'-9" |
5x3/8 | 10.000 | 25.000 | 41.9 | 6'-3" | 6'-3" | 6'-4" | 8'-10" | 6'-1" | 6'-4" | 7'-9" |
5x1/2 | 13.333 | 33.333 | 55.5 | 6'-10" | 6'-10" | 6'-11" | 9'-8" | 6'-9" | 7'-0" | 8'-7" |
6x1/4 | 9.600 | 28.800 | 33.8 | 6'-6" | 6'-6" | 6'-7" | 9'-3" | 6'-3" | 6'-8" | 8'-2" |
6x3/8 | 14.400 | 43.200 | 50.1 | 7'-5" | 7'-6" | 7'-7" | 10'-7" | 7'-4" | 7'-7" | 9'-4" |
6x1/2 | 19.200 | 57.600 | 66.4 | 8'-2" | 8'-3" | 8'-4" | 11'-8" | 8'-1" | 8'-5" | 10'-3" |
7x1/4 | 13.067 | 45.733 | 39.2 | 7'-7" | 7'-7" | 7'-9" | 10'-9" | 7'-6" | 7'-9" | 9'-6" |
7x3/8 | 19.600 | 68.600 | 58.2 | 8'-8" | 8'-8" | 8'-10" | 12'-4" | 8'-7" | 8'-11" | 10'-11" |
7x1/2 | 26.133 | 91.467 | 77.3 | 9'-6" | 9'-7" | 9'-9" | 13'-7" | 9'-5" | 9'-9" | 12'-0" |
38 Space (2-3/8") Load Table
Bearing Bar Size (inches) | Section Modulus Per Foot of Width | Moment of Inertia Per Foot of Width | Approx. Weight psf | Maximum Safe Span | ||||||
H-25 Load | H-20 Load | H-15 Load | Auto Traffic | 5 Ton Forklift | 3 Ton Forklift | 1 Ton Forklift | ||||
1x1/4 | 0.211 | 0.105 | 5.4 | 0'-8" | 0'-8" | 0'-7" | 0'-9" | 0'-6" | 0'-5" | 0'-5" |
1x5/16 | 0.263 | 0.132 | 6.5 | 0'-10" | 0'-9" | 0'-8" | 0'-10" | 0'-6" | 0'-5" | 0'-6" |
1x3/8 | 0.316 | 0.158 | 7.6 | 0'-10" | 0'-10" | 0'-8" | 0'-11" | 0'-7" | 0'-6" | 0'-7" |
1-1/4x1/4 | 0.329 | 0.206 | 6.5 | 0'-11" | 0'-10" | 0'-9" | 1'-0" | 0'-8" | 0'-6" | 0'-7" |
1-1/4x5/16 | 0.411 | 0.257 | 7.8 | 1'-0" | 0'-11" | 0'-10" | 1'-2" | 0'-8" | 0'-7" | 0'-9" |
1-1/4x3/8 | 0.493 | 0.308 | 9.2 | 1'-1" | 1'-0" | 0'-11" | 1'-4" | 0'-9" | 0'-7" | 0'-10" |
1-1/2x1/4 | 0.474 | 0.355 | 7.6 | 1'-1" | 1'-0" | 0'-10" | 1'-3" | 0'-9" | 0'-7" | 0'-10" |
1-1/2x5/16 | 0.592 | 0.444 | 9.2 | 1'-3" | 1'-1" | 1'-0" | 1'-6" | 0'-10" | 0'-8" | 1'-0" |
1-1/2x3/8 | 0.711 | 0.533 | 10.8 | 1'-4" | 1'-3" | 1'-1" | 1'-9" | 0'-11" | 0'-9" | 1'-2" |
1-3/4x1/4 | 0.645 | 0.564 | 8.6 | 1'-4" | 1'-2" | 1'-0" | 1'-7" | 0'-10" | 0'-9" | 1'-0" |
1-3/4x5/16 | 0.806 | 0.705 | 10.5 | 1'-5" | 1'-3" | 1'-2" | 1'-11" | 0'-11" | 0'-10" | 1'-3" |
1-3/4x3/8 | 0.967 | 0.846 | 12.4 | 1'-7" | 1'-5" | 1'-3" | 2'-3" | 1'-1" | 1'-0" | 1'-6" |
2x1/4 | 0.842 | 0.842 | 9.7 | 1'-5" | 1'-4" | 1'-2" | 2'-0" | 1'-0" | 0'-11" | 1'-4" |
2x5/16 | 1.053 | 1.053 | 11.9 | 1'-8" | 1'-6" | 1'-4" | 2'-5" | 1'-1" | 1'-0" | 1'-7" |
2x3/8 | 1.263 | 1.263 | 14.0 | 1'-9" | 1'-8" | 1'-6" | 2'-10" | 1'-3" | 1'-2" | 1'-11" |
2-1/4x1/4 | 1.066 | 1.199 | 10.8 | 1'-8" | 1'-6" | 1'-4" | 2'-5" | 1'-1" | 1'-1" | 1'-8" |
2-1/4x5/16 | 1.332 | 1.499 | 13.2 | 1'-10" | 1'-8" | 1'-6" | 3'-0" | 1'-3" | 1'-3" | 2'-0" |
2-1/4x3/8 | 1.599 | 1.799 | 15.6 | 2'-0" | 1'-10" | 1'-8" | 3'-6" | 1'-5" | 1'-5" | 2'-5" |
2-1/2x1/4 | 1.316 | 1.645 | 11.9 | 1'-10" | 1'-8" | 1'-6" | 2'-11" | 1'-3" | 1'-3" | 2'-0" |
2-1/2x5/16 | 1.645 | 2.056 | 14.5 | 2'-1" | 1'-11" | 1'-9" | 3'-7" | 1'-6" | 1'-6" | 2'-6" |
2-1/2x3/8 | 1.974 | 2.467 | 17.2 | 2'-3" | 2'-1" | 2'-0" | 4'-2" | 1'-8" | 1'-9" | 2'-11" |
3x1/4 | 1.895 | 2.842 | 14.0 | 2'-2" | 2'-1" | 1'-11" | 4'-1" | 1'-8" | 1'-8" | 2'-10" |
3x5/16 | 2.368 | 3.553 | 17.2 | 2'-6" | 2'-4" | 2'-3" | 4'-9" | 1'-11" | 2'-0" | 3'-6" |
3x3/8 | 2.842 | 4.263 | 20.4 | 2'-10" | 2'-8" | 2'-7" | 5'-0" | 2'-3" | 2'-5" | 4'-2" |
3-1/2x1/4 | 2.579 | 4.513 | 16.2 | 2'-8" | 2'-6" | 2'-5" | 5'-1" | 2'-1" | 2'-2" | 3'-9" |
3-1/2x5/16 | 3.224 | 5.641 | 19.9 | 3'-1" | 2'-11" | 2'-10" | 5'-6" | 2'-6" | 2'-8" | 4'-8" |
3-1/2x3/8 | 3.868 | 6.770 | 23.7 | 3'-6" | 3'-4" | 3'-4" | 5'-10" | 2'-11" | 3'-2" | 5'-3" |
4x1/4 | 3.368 | 6.737 | 18.3 | 3'-2" | 3'-0" | 2'-11" | 5'-10" | 2'-7" | 2'-9" | 4'-11" |
4x5/16 | 4.211 | 8.421 | 22.6 | 3'-8" | 3'-7" | 3'-7" | 6'-3" | 3'-2" | 3'-5" | 5'-7" |
4x3/8 | 5.053 | 10.105 | 26.9 | 4'-3" | 4'-2" | 4'-2" | 6'-8" | 3'-8" | 4'-0" | 6'-0" |
4-1/2x1/4 | 4.263 | 9.592 | 20.4 | 3'-9" | 3'-7" | 3'-7" | 6'-7" | 3'-2" | 3'-5" | 5'-10" |
4-1/2x5/16 | 5.329 | 11.990 | 25.3 | 4'-5" | 4'-4" | 4'-4" | 7'-1" | 3'-11" | 4'-3" | 6'-4" |
4-1/2x3/8 | 6.395 | 14.388 | 30.1 | 5'-1" | 5'-0" | 5'-1" | 7'-6" | 4'-7" | 5'-0" | 6'-9" |
5x1/4 | 5.263 | 13.158 | 22.6 | 4'-4" | 4'-3" | 4'-3" | 7'-4" | 3'-10" | 4'-2" | 6'-6" |
5x3/8 | 7.895 | 19.737 | 33.3 | 5'-10" | 5'-10" | 5'-11" | 8'-4" | 5'-6" | 6'-0" | 7'-6" |
5x1/2 | 10.526 | 26.316 | 44.1 | 6'-5" | 6'-5" | 6'-6" | 9'-2" | 6'-4" | 6'-8" | 8'-3" |
6x1/4 | 7.579 | 22.737 | 26.9 | 5'-10" | 5'-10" | 5'-11" | 8'-9" | 5'-4" | 5'-11" | 7'-10" |
6x3/8 | 11.368 | 34.105 | 39.8 | 6'-11" | 7'-0" | 7'-1" | 10'-0" | 6'-11" | 7'-3" | 9'-0" |
6x1/2 | 15.158 | 45.474 | 52.7 | 7'-8" | 7'-8" | 7'-10" | 11'-1" | 7'-7" | 8'-0" | 9'-11" |
7x1/4 | 10.316 | 36.105 | 31.2 | 7'-1" | 7'-2" | 7'-3" | 10'-3" | 7'-1" | 7'-5" | 9'-2" |
7x3/8 | 15.474 | 54.158 | 46.2 | 8'-1" | 8'-2" | 8'-4" | 11'-8" | 8'-1" | 8'-5" | 10'-6" |
7x1/2 | 20.632 | 72.211 | 61.2 | 8'-11" | 9'-0" | 9'-2" | 12'-11" | 8'-11" | 9'-4" | 11'-6" |
The Stainless Steel Heavy Duty Steel Bar Grating we produce is well received by the marketplace and we have the ability and confidence to meet the needs of our customers. In order to maintain long-term sustainable development, the company pays more attention to the construction of honesty and reputation, and has always been committed to making products conscientiously. We strive to create a cultural atmosphere that is internally vibrant, with strong cohesion, and externally trusted by users and supported by all parties.
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