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{"title":"19W4 Twisted Bar Stainless Steel Grating Support Custom ISO9001 Approval","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/ba\/09d8457d1047ba1ebef84159d282-200x200-1\/19w4_twisted_bar_stainless_steel_grating_support_custom_iso9001_approval.jpg","attrs":{"Model Number":"SSG","Certification":"ISO9001:2008","Minimum Order Quantity":"2pcs","Payment Terms":"TT, L\/C"}}
Our Steel Grating, manufactured in China, is available in high-grade materials including Q235, 304, and 316L stainless steel, with diverse structures such as standard welded, serrated anti-slip, plug-in, and heavy-duty configurations.
Key specifications include flat bar sizes from 20×3mm to 50×5mm, spacing of 15-60mm for flat bars and 50-150mm for cross bars, various surface treatments (hot-dip galvanized, electro galvanized, polished), and load capacity ranging from 1-50kN/m².
Certified to ISO 9001 and YB/T 4001.1-2019 standards, our steel grating delivers excellent durability with a service life of 5-15 years and superior corrosion resistance. The 316L variants are particularly suitable for harsh environments.
Widely applied in industrial platforms, ports, municipal walkways, food factories, and chemical plants. We offer flexible supply terms with a minimum order quantity of 100m² and delivery within 7-15 working days for both spot and customized orders. Enjoy factory-direct pricing, free samples (buyer covers freight), and 24/7 technical support for installation.
Advantages of Steel Grating
Superior Load-Bearing Capacity & Structural Stability
The welded structure of flat steel and cross bars boasts excellent mechanical properties, with a single grating panel capable of bearing over 1000kg. It features strong impact resistance and deformation resistance, making it suitable for high-load scenarios such as industrial platforms and heavy equipment foundations.
Excellent Corrosion Resistance for Harsh Environments
The hot-dip galvanized layer has a thickness of ≥80μm, providing reliable electrochemical protection and extending outdoor service life to 15-20 years. It resists rust and corrosion in humid, acidic, alkaline, and salt spray environments, while stainless steel models (304/316L) are better suited for extreme scenarios like chemical and marine environments.
Efficient Drainage & Anti-Slip Performance
The grid structure offers a drainage/ventilation rate of over 70%, enabling rapid rainwater drainage and preventing water accumulation. Anti-slip protrusions or serrated designs on the flat bar surface significantly enhance walking safety, making it ideal for industrial environments with moisture and oil stains.
Technical Specifications
Material
Q235, 304, 316L
Flat Bar Specifications
20×3mm, 25×3mm, 30×3mm, 32×5mm, 40×5mm
Spacing
Flat Bar 15-60mm, Cross Bar 50-150mm
Surface Treatment
Hot-Dip Galvanized, Electro Galvanized, Polished
Load Capacity
1-50kN/m²
Thickness
20-100mm
Corrosion Resistance
316L > 304 > Q235
Anti-Slip
Yes (Serrated Type)
Certification
ISO9001, YB/T 4001.1-2019
Application
Industrial Platforms, Ports, Municipal Walkways
Welding Type
Resistance Welding, Manual Welding
Frequently Asked Questions
What are the different types of surface treatments?
Hot-Dip Galvanizing: Most popular for rust prevention
Powder Coating: For aesthetic or color-coding purposes
Pickling/Passivation: Used for stainless steel to remove surface contaminants
Mill Finish: Raw steel without any treatment
What is the difference between Welded and Press-Locked grating?
Welded: Cross bars are resistance-welded into bearing bars. Best for heavy-duty industrial use
Press-Locked: Cross bars are hydraulically pressed into pre-notched bearing bars. Offers a clean, flush architectural look
What are the common surface profiles?
Plain: Smooth surface for general use
Serrated: Features notches in the bearing bars for superior slip resistance in oily or icy conditions
What is the standard spacing for bearing bars?
Standard spacings are typically 30mm or 40mm (center-to-center), though 19-W-4 (1-3/16" spacing) is a common North American industrial standard.
What is "19-W-4" nomenclature?
This is a standard designation:
19: Spacing of bearing bars in 16ths of an inch (19/16")
W: Means the type is "Welded"
4: Spacing of cross bars in inches (4")
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2006
Employee Number:
250~300
Ecer Certification：
Verified Supplier
GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering.
Since our establishment, we have been dedicated to becoming a trusted global partner for high-quality ste... GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering.
Since our establishment, we have been dedicated to becoming a trusted global partner for high-quality ste...
