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Metal grates manufacturers

I have found results from400+products and200+suppliers aboutMetal grates

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Industrial Building Materials Structure Steel Grating Heavy Duty Serrated Steel Bar Metal Grate for Subway Drain/Driveways Drain/Platform Flooring

Industrial Building Materials Structure Steel Grating Heavy Duty Serrated Steel Bar Metal Grate for Subway Drain/Driveways Drain/Platform Flooring

US$12.00-20.00
100 Square Meters(MOQ)
Sample Available
Building Materials Heavy Duty Steel Structure Serrated Tooth Type Bars Metal Steel Grate 1mx6m for Floor Platform/Channel Trench Drain Cover Grates

Building Materials Heavy Duty Steel Structure Serrated Tooth Type Bars Metal Steel Grate 1mx6m for Floor Platform/Channel Trench Drain Cover Grates

US$14.00-16.00
100 Square Meters(MOQ)
Sample Available
Durable 25X5mm Steel Stair Grating Fabricator Galvanized Weld Serrated Bar Non Slip Steel Stair Treads Light Structure Metal Stair Grate

Durable 25X5mm Steel Stair Grating Fabricator Galvanized Weld Serrated Bar Non Slip Steel Stair Treads Light Structure Metal Stair Grate

US$22.00-26.50
100 Pieces(MOQ)
Sample Available
Galvanised Steel Grate Manufacturer Serrated Steel Bar Metal Driveway Drain Grate for Industrial Building Materials/Construction Steel Grate

Galvanised Steel Grate Manufacturer Serrated Steel Bar Metal Driveway Drain Grate for Industrial Building Materials/Construction Steel Grate

US$13.00-16.00
100 Pieces(MOQ)
Sample Available
Heavy Galvanized Light Steel Structure Steel Grating Drain Trench Metal Grating Channel Drain Covers Steel Drainage Grate

Heavy Galvanized Light Steel Structure Steel Grating Drain Trench Metal Grating Channel Drain Covers Steel Drainage Grate

US$12.00-16.00
100 Pieces(MOQ)
Sample Available
Mild Steel Metal Building Materials 19W2 Anti Slip Weld Flat Bar Steel Grate for Security Fencing Panel/Sewage Drain Covers/Bridge Decking/Crossover Platforms

Mild Steel Metal Building Materials 19W2 Anti Slip Weld Flat Bar Steel Grate for Security Fencing Panel/Sewage Drain Covers/Bridge Decking/Crossover Platforms

US$12.00-20.00
100 Square Meters(MOQ)
Sample Available
Hot Dipped Galvanized Treatment Metal Bar Grating Platform Slip Resistant Serrated Type Steel Bar Grate with Bearing Bar 30mm 40mm 50mm for Safe Walkways

Hot Dipped Galvanized Treatment Metal Bar Grating Platform Slip Resistant Serrated Type Steel Bar Grate with Bearing Bar 30mm 40mm 50mm for Safe Walkways

US$17.00-19.50
100 Square Meters(MOQ)
Sample Available
Metal Grating Factory Manufacture Steel Bar Grid Drain Grate Sale Outdoor Trench Cover Grate with Hot DIP Galvanized for Channel Drain

Metal Grating Factory Manufacture Steel Bar Grid Drain Grate Sale Outdoor Trench Cover Grate with Hot DIP Galvanized for Channel Drain

US$12.00-16.00
100 Pieces(MOQ)
Sample Available
Heavy Duty Steel Bar Anti Slip Metal Grating Factory Supply Durable Channel Drain Covers Grate for Walkway Flooring/Driveway Drain/Drainage Channel/Subway

Heavy Duty Steel Bar Anti Slip Metal Grating Factory Supply Durable Channel Drain Covers Grate for Walkway Flooring/Driveway Drain/Drainage Channel/Subway

US$12.00-14.00
100 Pieces(MOQ)
Sample Available
Galvanized Steel Bar Grate Supplier Types of Steel Grating for Safety Grating Fence/Compound Metal Grating/Press Lock Grating/Swage Locked Grating

Galvanized Steel Bar Grate Supplier Types of Steel Grating for Safety Grating Fence/Compound Metal Grating/Press Lock Grating/Swage Locked Grating

US$21.00-25.00
100 Square Meters(MOQ)
Sample Available
Industrial Grade Metal Grate for Walkways and Drainage Solutions

Industrial Grade Metal Grate for Walkways and Drainage Solutions

US$13.20-18.00
100 Square Meters(MOQ)
Sample Available
Good Price Galvanised Steel Bar Grating Factory Manufacturer Sale Metal Plug Type Steel Grating Industrial Building Construction Steel Grate

Good Price Galvanised Steel Bar Grating Factory Manufacturer Sale Metal Plug Type Steel Grating Industrial Building Construction Steel Grate

US$21.00-25.00
100 Square Meters(MOQ)
Sample Available
High-Quality Welded Bar Metal Serrated Grating Marine Steel Platform Grate for Industrial Flooring Application Walkways Grating

High-Quality Welded Bar Metal Serrated Grating Marine Steel Platform Grate for Industrial Flooring Application Walkways Grating

US$16.00-18.50
100 Square Meters(MOQ)
Sample Available

Sourcing guidance for Metal Grates

How to choose the right material for metal grates based on the environment?

Selecting the correct material is critical for longevity. For highly corrosive environments (chemical plants or coastal areas), Stainless Steel (304 or 316L) is the gold standard. For general industrial use, Hot-Dipped Galvanized Steel offers the best balance of cost and rust resistance. If weight reduction is a priority without sacrificing strength, Aluminum grates are ideal, especially for architectural facades or walkways.

What load-bearing specifications should B2B buyers prioritize?

Buyers must define the Load Class based on intended traffic. For pedestrian areas, a light-duty grate suffices, but for areas with vehicular traffic, you must specify Heavy-Duty (H-20 loading) or higher. Always request the Load-Deflection Table from the supplier to ensure the span-to-weight ratio meets safety standards for your specific structural support spacing.

Which surface treatments are essential for safety and compliance?

To prevent workplace accidents, prioritize Serrated Surfaces for slip resistance, particularly in oily or wet conditions. Ensure the coating thickness for galvanized products meets ASTM A123 or EN ISO 1461 standards, which guarantees a minimum zinc coating of 85 microns for long-term durability. For aesthetic or architectural projects, Powder Coating can be applied over galvanization.

What are the key manufacturing standards for international procurement?

Verify that the supplier adheres to ANSI/NAAMM MBG 531 (Metal Bar Grating Manual) or BS 4592. These standards govern welding quality, spacing tolerances, and banding requirements. For drainage applications, ensure the open area percentage is calculated correctly to handle the required water flow rate without clogging.

Cross-Border Procurement & Risk Management for Metal Grates

How can I mitigate quality risks when sourcing metal grates from overseas?

Always mandate a Pre-Shipment Inspection (PSI). Since metal grates are heavy and expensive to return, use a third-party agency to verify zinc coating thickness (using a magnetic gauge), welding penetration, and dimensional accuracy. Request a Mill Test Certificate (MTC) to confirm the raw material grade matches your order.

What is the most cost-effective shipping strategy for heavy metal products?

Due to the high weight-to-volume ratio, Sea Freight (FCL - Full Container Load) is the only economical option for bulk orders. To optimize costs, design the grate dimensions to maximize container floor space and minimize 'dead air.' Ensure the supplier uses heavy-duty steel strapping and wooden pallets treated according to ISPM 15 standards to prevent shifting during transit.

How should I negotiate with suppliers on Made-in-China.com?

Focus on Total Landed Cost rather than just the unit price. Negotiate based on volume tiers; for metal products, a 50-ton order can often reduce the price by 10-15% compared to a 5-ton order. Ask for customized labeling and bundling (e.g., tagging specific sizes for easy sorting at the job site) as a value-add during negotiations.

What are the common transaction security tips for large industrial orders?

Utilize Secured Payment services provided by platforms like Made-in-China.com to ensure funds are only released upon proof of shipping. For very large contracts, consider a Letter of Credit (L/C). Ensure the Incoterms (e.g., FOB or CIF) are clearly defined in the Proforma Invoice to avoid hidden charges regarding port handling and local taxes.

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