China Q235 Serrated Galvanized Steel Grating 25-100mm Width with Hot-Dipped Zinc Coating for Outdoor Drain Covers for sale

Q235 Serrated Galvanized Steel Grating 25-100mm Width with Hot-Dipped Zinc Coating for Outdoor Drain Covers

Price Negotiable

Price: $20-$25 per piece

MOQ: 10 pieces

Delivery Time: 7-10 days after received the deposit

Brand: ZT

Product Description

Product Overview

High-quality Q235 steel grating featuring serrated surface and hot-dipped galvanized coating for superior corrosion resistance. Ideal for outdoor drainage covers, walkways, and industrial platforms.

Key Features

Welded construction with flat steel and cross bars
High strength with lightweight structure
Excellent load-bearing capacity
Hot-dipped zinc coating for superior anti-corrosion
Serrated surface for enhanced slip resistance

Technical Specifications

Material Standard	ASTM A36, A1011, A569, Q235, S275JR, Stainless steel 304/316, Mild steel & Low carbon steel
Bearing Bar (Width x Thickness)	25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10...100x10mm; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3
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
Twisted Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2" & 4"
Surface Treatment	Untreated (black), Hot-dipped galvanized, Powder coated, Electroplate, Painting
Grating Style	Plain/Smooth, Serrated/Teeth, I bar, Serrated I bar

Applications

Stair tread grating
Municipal drainage trench covers
Port and parking lot platforms
Agricultural and industrial walkways
Pedestrian and vehicle access areas

Product Images

Steel grating manufacturing process and quality control

Galvanized steel grating close-up showing serrated surface texture

Steel grating installation in industrial setting

Steel grating used as drainage cover in municipal application

Quality inspection of steel grating products

Manufacturing Quality

Established manufacturer with over 10 years of steel grating production experience. All products undergo rigorous testing before shipping with quality assurance throughout the manufacturing process.