Anti-Corrosion Hot Dip Galvanized Steel Grating for Industrial Drain Custom Size Gratings

Short Description:

Steel gratings are open-grid metal structures made by welding or pressing load-bearing flat steel bars with cross bars at regular intervals. They are widely used in industrial and construction environments due to their high strength, durability, and excellent drainage and ventilation performance.

Standard: GB

Type: Warehouse platform, safety passage, pedestrian grating, light-load outdoor platform

Load Bearing Capacity: Customizable based on bearing bar spacing and thickness; available in Light, Medium, Heavy duty

Opening Size: Customized size

Corrosion Resistance: Hot-dip galvanizing, Painted/Powder Coating

Applications: Industrial plants, warehouses, chemical platforms, outdoor walkways, pedestrian bridges, stair treads

Quality Certification: ISO 9001

Payment Terms: T/T 30% Advance + 70% Balance

Delivery Time: 7–15 days

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Product Detail

Product Tags

Product Detail

Material	Steel, Galvanized Steel	Application	Port Crane Platform
Material	Q235B / Q355B Carbon Steel	Application	Neat edges and precise dimensions
Feature	Durable, Anti-Corrosion	Shape	Square, Round
Length	Customized	Surface Treatment	Coated, Zinc Coating
Length	Customized	Surface Treatment	Hot-dip galvanized (HDG) to ASTM A123 / GB/T 13912
Color	Customized	Warranty	5 year
After-sale Service	Online Technical Support, Free Spare Parts, Return and Replacement	Project Solution Capability	Graphic design, 3D model design, Total solution for projects, Others
Design Style	Industrial	Alloy Or Not	Is Alloy
Secondary Or Not	Non-Secondary	Place of Origin	Tianjin, China
Type	Steel	Chemical Composition	c.steel
Brand Name	Royal	Model Number	Customized
Galvanizing Thickness	≥80μm (atmospheric zone)	Salt Spray Test	NSS ≥1000 hours, no red rust
Packaging	Steel strapped, wooden pallet	Keyword	Galvanized steel grating
Durability	Splash zone: ≥20 years	Advantages	Engineered for saltwater, heavy loads, and slip-free safety
Durability	Tidal zone: ≥15 years	Advantages	Engineered for saltwater, heavy loads, and slip-free safety
Certificate	ISO9001:2015 / CE

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Chemical Composition & Mechanical Properties

Chemical Composition (Q235B Galvanized Steel)

Element	Carbon (C)	Manganese (Mn)	Phosphorus (P)	Sulfur (S)
Max Content	≤0.20%	≤1.40%	≤0.045%	≤0.045%

Mechanical Properties

Yield Strength	Tensile Strength	Elongation	Cold Bending Performance
≥ 235MPa	370–500MPa	≥ 26%	No crack, no deformation

Steel Grating Common Size

Chart column	empty of goods	Live space	Load flat mesh specifications (width and thickness)
	between		20x3	25x3	32x3	403	20x5	25x5
1	30	100	G20330100	E25230H00	C32380F100	G40230100	E205/30100	E255/307100
		50	G20230/50	C253/20/50	C2233050	640340100	C205/00/50	C255/30/50
2	40	100	6203/401100	8253/40100	E323/401100	640340100	8205/40/100	5255/40/100
		50	G20340/50	G250/40/50	G223/4050	G403140/50	205/4/50	G255/4050
3	60	50	G203460/50	C25360/50	5253/6050	3403480150	C205/60/50	G255/60150
Chart column	empty of goods	Live space	Load flat mesh specifications (width and thickness)
	between		32x5	40x5	45x5	50x5	55x5	80x5
1	30	100	G325301100	G40530H00	C45580100	G50530100	G555/30100	E805/30/100
		50	G325/30/50	C405/20/50	G455/3050	S505/30/50	55500/50	G605/8050
2	40	100	8325401100	840540100	455/40100	G50540100	8555/40/100	2605/40/100
		50	G32540/50	C405/40/50	G4554050	G505/40/50	E555/40/50	G605/40150
3	60	50	G225.6051	C405/6A/50	G4556050	G50560/50	6555/6050	G6056051

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Surface Finish

D91F426C_45e57ce6-3494-43bf-a15b-c29ed7b2bd8a (1)

907C9F00_6b051a7a-2b7e-4f62-a5b3-6b00d5ecfc4a (1)

Initial Surface

Galvanized Surface

Painted Surface

Application

Walkway Platforms: Manufactured from high-strength steel grating with excellent anti-slip performance and stable load-bearing capacity, ideal for industrial walkways, outdoor passages, and pedestrian access areas.

Stair Treads: Durable steel grating stair treads provide outstanding strength, slip resistance, and long service life, ensuring safe and reliable footing in industrial and commercial environments.

Industrial Work Platforms: Designed with a heavy-duty grating structure and high load capacity, widely used for factory workshops, maintenance platforms, and industrial operating areas.

Drainage Systems: The open-grid design allows rapid water drainage and ventilation, making it ideal for trench covers, drainage channels, and areas requiring efficient water runoff and reduced water accumulation.

Our Advantages

Our steel gratings are manufactured from high-quality carbon steel, stainless steel, and galvanized steel, ensuring excellent strength, durability, and long-term performance. With advanced production technology and precise welding processes, the products feature stable load-bearing capacity and accurate dimensions suitable for various industrial and construction applications.

The gratings offer excellent corrosion resistance through hot-dip galvanizing and other surface treatments, making them ideal for harsh environments such as factories, ports, power plants, and offshore platforms. Anti-slip surface options improve safety for walkways, stair treads, and working platforms.

We also provide customized solutions based on project requirements, including different sizes, bar spacing, load capacities, and surface finishes. Supported by efficient production lines, professional packaging, and extensive export experience, we ensure fast delivery, reliable quality, and competitive factory-direct pricing for global customers.

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Packaging & Shipping

Packaging Method	Steel gratings are usually bundled with steel straps for secure transportation and easy handling.
Surface Protection	Products can be wrapped with plastic film or waterproof material to protect against moisture, rust, and scratches during transit.
Pallet Packing	Wooden pallets or steel pallets are available for safer loading and unloading.
Container Loading	Suitable for 20GP, 40GP, and 40HQ containers depending on product size and quantity.
Shipping Methods	Sea freight, land transportation, railway transportation, and multimodal shipping are available.
Marking	Each bundle can be labeled with product size, quantity, order number, and customer requirements.
Custom Packaging	Customized packaging solutions are available according to project and export requirements.
Delivery Time	Normally 7–15 working days depending on order quantity and specifications.

FAQ

Q1: Are you factory or trade company?

A: We are factory, our prices are very competitive.

Q2: Can I have a sample order?

A: Yes, we can provide sample ,but the courier charge will on your side.

Q3: What can you buy from us?

A: Steel grating, stainless steel frames/grating, compound steel mesh boards, steel parapets, stainless steel parapets, steel ladders, stair treads, and stainless steel ladders.

Q4: How can we guarantee quality?

A: Always a pre-production sample before mass production;
Always final Inspection before shipment;

Q5: What services can we provide?

A: Accepted Delivery Terms: FOB,CFR,CIF
Accepted Payment Currency:USD
Accepted Payment Type: T/T
Language Spoken:English,Chinese