Heavy Duty Steel Grating 19-W-4 with 30mm & 40mm Bearing Pitches for Industrial Trench Covers
Price:
Negotiable
MOQ:
3 tons
Delivery Time:
3-10 work days
Brand:
TT
Product Description
Heavy Duty Steel Grating Overview
Professional-grade steel grating available in painted or galvanized finishes, designed for trench covers and industrial applications with specifications including 555/40/100 configurations.
Product Specifications
| Parameter | Available Options |
|---|---|
| Bearing Bar Sizes | 25x3mm to 100x10mm, I-bar profiles 25x5x3mm to 40x5x3mm |
| Bearing Bar Pitches | 12.5mm, 15mm, 20mm, 30mm, 40mm, 60mm (30mm & 40mm recommended) |
| Cross Bar Pitches | 38mm, 50mm, 60mm, 100mm (50mm & 100mm recommended) |
| Material Grades | Q235, ASTM A36, A1011, S235JR, SS304, mild steel |
| Surface Treatments | Hot-dip galvanized, painted, spray coating, black self-color |
| Grating Styles | Plain/smooth, serrated/teeth, I-bar, serrated I-bar |
Key Features & Benefits
- Superior Drainage: 83.3% leakage area – more than twice that of cast iron products
- High Strength Construction: Excellent strength and toughness for heavy loading conditions
- Corrosion Resistance: Hot-dip galvanized treatment provides rust-proof properties
- Anti-Theft Design: Hinge joint between cover and frame ensures security
- Cost Efficiency: Large-span capability reduces installation costs versus cast iron
- Modern Aesthetics: Clean lines and silver appearance complement contemporary designs
Manufacturing Standards & Tolerances
Length tolerance: +0/-5mm | Width tolerance: ±5mm | Non-perpendicularity: ≤10% of bearing bar width
Compliance Standards: YB/T 4001.1-2007 (China), ANSI/NAAMM MBG531-88 (USA), BS4592-1987 (UK), AS1657-1985 (Australia), JIS (Japan)
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Company
Hebei Zhuote wire mesh products Co., LTD
Location
Raoyang County Xicheng street north
Contact Person
Bella Zhang