Stainless steel drainage channel grating

Common specification of Steel grating

Material Standard

ASTM A36, A1011, A569, Q235, S275JR,Stainless steel 304,
Mild steel & Low carbon steel, etc

Bearing Bar
(width*thickness)

25×3, 25×4, 25×4.5, 25×5, 30×3, 30×4, 30×4.5, 30×5, 32×5, 40×5, 50×5, 65×5, 75×6, 75×10…..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

Remarks: Other sizes also can be customized according to customers’ requirement.