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Corten Steel Grates

China Gnee (Tianjin) Multinational Trade Co., Ltd. certification
China Gnee (Tianjin) Multinational Trade Co., Ltd. certification
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Corten Steel Grates

December 13, 2022
Latest company case about Corten Steel Grates

Corten Steel Grates


Corten Steel Grates


Common Specification of Steel Grating
Material Standard
Corten A, Corten B, A588, ASTM A36, A1011, A569, S275JR, Stainless steel 304/316, Low carbon steel, etc
Bearing Bar
(Width x Thickness)
25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10…..100 x10mm 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
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.
Twisted Cross Bar Pitch
38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc
Surface Treatment
Untreated(black), Hot-dipped galvanized, Powder coated, Electroplate, Painting or as per customers' requirement.
Grating Style
Plain / Smooth, Serrated / Teeth, I bar, Serrated I bar
(1) Bandage and Paperboard: Generally applies to neat steel plate;
(2) Screw Locking Method: Use 4 screw rods through the aperture of the steel grid, for high strength;
(3) Steel Pallet: Traditional export packing.


Corten Steel Grates Corten Steel Grates

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