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Welded Bar Grating Heavy Duty Steel Grating Banding Untreated Surface

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Welded Bar Grating Heavy Duty Steel Grating Banding Untreated Surface

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Model Number : HDSG

Certification : ISO9001

MOQ : 2PCS

Supply Ability : 300000 Square Meter/Square Meters per Month

Delivery Time : Shipped in 20 days after payment

Packaging Details : Fix with metal belt Packing with pallet ,outside wrap with waterproof plastic film Finial in container

Name : Free Sample Heavy Duty Steel Grating Plain Bearing Bar Galvanized

Surface treatment : Hot dipped galvanized,Untreated,painted

Cross bar size : 8mmx8mm

Bearing bar pitch : 30,40.customized requirement

Cross bar pitch : 100MM

Application : Airfields,Highways,Industrial Floors,Ramps,Docks,Reinforced Concrete Areas

Bearing bar size : 70x6,75x8,80x8,90x8,100x8120x8,130x8,150x8

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Welded Heavy Duty Steel Grating Banding Hot Dipped Galvanized

Steel grating is made by the world first-class equipment, which can arrange the bearing bar and cross bar in longitude and latitude order to certain distance. Cross bar is pressed into the bearing bar by high tension resistance welding ring which is controlled by computer. So we can produce high quality gratings with firm welding, smooth surface and high strength.

1. Materials & Finishes

Heavy duty gratings are manufactured in carbon steel and 300 series stainless steels. Carbon steel products are available bare (no finish), painted with manufacturers standard paint, or hot dip galvanized. Stainless steel products are available mill finish, commercially cleaned or electro-polished.

2. Steel Grating Surface Treatment: Untreated, Painting or Hot Dipped Galvanizing

Heavy Duty Grating Specification

3. Size:The sizes 6meter x1 meter ,5.8meter x 1meter are the common size to Aisan and Middle East markers.

The plain galvanized steel grating commonly used on bridge,refinery ,power plant,Sewage treatment plant and so on.

4. Standards:

A) China: YB/T4001.1-2007

B) U.S.A.: ANSI/NAAMM (MBG531-88)

C) U.K.: BS4592-1987

D) Australia: AS1657-1985

E) Japan: JJS

5. Hot Dipped Galvanizing Standards:

A) China: YB/T4001-1998

B) USA: ANSI/NAAMM (MBG531-88)

C) UK: BS4592-1987

D) Australia: AS1657-1985

6. Applications

1).Fencings for car-parks, buildings and roads; drainage trench covers and drainage pit covers for highways;

2).Flooring in various bridges such as railway bridge sidewalks, over-bridges across the street;

3).Rotation ways, channels, and platforms for pump rooms and engine rooms in various ships;

4).Platforms for oil extraction sites, car washing sites and air towers;

Bar Size Inches: Weight Per Sq.Ft: Sect.Prop.Ft. Of Width:
1-1/4x1/4 12.08 Sx=0.642/1x=0.420
1-1/4x3/8 17.55 Sx=1.009/1x=0.63
1-1/2x1/4 14.35 Sx=0.969/1x=0.726
1-1/2x5/16 17.55 Sx=1.211/1x=0.908
1-1/2x3/8 20.86 Sx=1.452/1x=1.089
1-3/4x1/4 16.52 Sx=1.318/1x=1.153
1-3/4x3/8 24.16 Sx=1.977/1x=1.730
2x1/4 17.56 Sx=1.722/1x=1.722
2x5/16 23.13 Sx=2.152/1x=2.152
2x3/8 27.47 Sx=2.583/1x=2.583
2-1/4x1/4 20.86 Sx=2..179/1x=2.451
2-1/4x3/8 30.78 Sx=3.268/1x=3.677
2-1/2x1/4 23.13 Sx=2.690 / 1x=3.362
2-1/2x5/16 28.61 Sx=3.362 / 1x=4.203
2-1/2x3/8 34.08 Sx=4.035 / 1x=5.044
3x1/4 28.89 Sx=3.874 / 1x=5.810
3x5/16 35.50 Sx=4.843 / 1x=7.263
3x3/8 42.11 Sx=5.811 / 1x=8.716
3-1/2x1/4 33.33 Sx=5.272 / 1x=9.226
3-1/2x3/8 48.62 Sx=7.909 / 1x=13.840
4x1/4 37.67 Sx=6.886 / 1x=13.772
4x5/16 46.45 Sx=8.608 / 1x=17.215
4x3/8 55.23 Sx=10.330 / 1x=20.660
4-1/2x1/4 42.11 Sx=8.716 / 1x=19.610
4-1/2x3/8 61.84 Sx=13.074 / 1x=29.416
5x1/4 46.45 Sx=10.761 / 1x=26.901
5x5/16 57.40 Sx=13.451 / 1x=33.626
5x3/8 68.46 Sx=16.141 / 1x=40.352
5-1/2x1/4 50.89 Sx=13.020 / 1x=35.804
5-1/2x3/8 74.69 Sx=19.530 / 1x=53.707
6x1/4 55.23 Sx=15.495 / 1x=46.485
6x5/16 68.46 Sx=19.369 / 1x=58.106
6x3/8 81.57 Sx=23.343 / 1x=69.127
Note: Sx = (Sec. Mod. Ft Width) 1x = (Mom. of Inertia Ft. Width)

Welded Bar Grating Heavy Duty Steel Grating Banding Untreated Surface


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