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Help Center19- W -4 Steel Grating Platform Hot Dipped Galvanized Mild Steel Bar Grating
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19- W -4 Steel Grating Platform Hot Dipped Galvanized Mild Steel Bar Grating
19-w-4 Platform Steel Grating Hot Dipped Galvanized Mild Steel Bar Grating
Steel grating is usually provided with one of three finishes, bare steel (no finish), painted with one
coat of manufacturers red, black or silver paint, or hot dip galvanized in accordance with ASTM A-123.
Aluminum products are commonly supplied mill finish but they are also available with optional chemically
cleaned or anodized finishes. Due to discoloration that occurs during welding and fabrication, Stainless
Steel grating products typically require secondary finishing
Commercial cleaning, passivation or abrasive blasting can provide a uniform matte surface and a bright
stainless finish can be provided by electro-polishing. All grating products can be provided with specialty
finishes including enamel or epoxy paints or powder coating. When considering specialty finishes,
consultation with the coating manufacturer is essential.
Specifications of serrated welded steel grating
Materials: low carbon steel, stainless steel.
Surface treatment: galvanized, powder coating, painted color.
Height of bearing bar: 20 mm, 30 mm, 40 mm, 50 mm, 60 mm, 70 mm.
Thickness of bearing bar: 2 mm, 3 mm, 4 mm, 5 mm.
Mesh size: 34 mm × 38 mm
Packaging:Strap packing.
Pallet packing.
Screw rod fixation.
Features of serrated welded steel grating
TOP SURFACE
Typically supplied with a plain surface. On our most popular products a Serrated surface (S) is also available. Please refer to the loading charts in this section of the catalogue to see which Mild Steel grating types are available with a Serrated surface.
Steel Grating Common Size Table List:
| No. | Item | Description |
| 1 | Bearing Bar |
25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc |
| 2 | Bearing Bar Pitch |
12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. |
| 3 | Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
| 4 | Material Grade |
ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400, Mild steel & Low carbon steel, etc
|
| 5 | Surface Treatment | Black, self color, hot dip galvanized, painted, spray coating |
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