steel grating Metal Building Material Serrated Galvanized Steel Grating Outdoor Metal Drain Cover Grating

Common Specification of Steel Grating

Remarks: Special Material, High Zinc Coating and New Style can be Customized.

Material Standard

ASTM A36, A1011, A569, Q235, S275JR, Stainless steel 304/316,
Mild steel & 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

Packing

(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.

Payment Term

T/T, L/C, Western Union, Credit Card, Alibaba Trade Assurance

Product Name: Metal Serrated Steel Grid Grating To Construction Building Material