Steel Stair Treads Grating Steel Structural Stair Tread Step Grating Galvanized Grating Platform

Product

industrial galvanized stair treads steps outdoor staircase

Brand Name

Zhongrun

Model Number

2

Material Standard1

ASTM A36, A1011, A569, Q235, S275JR,

Material Standard2

Stainless steel 304/316, Mild steel & Low carbon steel, etc

Method of welding

Automatic pressure resistance welding

Grating Style

Plain / Smooth, Serrated / Teeth, I bar, Serrated I bar

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

Dimension of cross bar

5*5.6*6,8*8、10*10、12 * 12Mm, etc. .

Application

Steel grating is widely used in parking lot,walkways, platforms, stairs, fences for mining industry, power plants, Petrochemical
industry, machinery, light industry, railways, bridges, docks, schools, water plants, sewage treatment plants, etc.

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.

Surface Treatment

Untreated(black), Hot-dipped galvanized, Powder coated, Electroplate, Painting or as per customers' requirement.

Function

1. Extremely high temperature resistance;

Features

High strength, low price, corrosion resistance