Order Basics & Quotation

What is the minimum order quantity (MOQ) for steel grating? Does the MOQ vary by type (e.g., serrated steel grating, plain steel grating)?

[Your Brand Name] is a [brief description of your business or service]. We are passionate about [your mission statement].

How does your Service work?

Our steel grating service centers around "precisely meeting your custom needs": You only need to provide requirements such as dimensions, material, load capacity (or application scenario), and we will quickly match a technical solution, produce drawings, and provide a quotation. Once confirmed, we will start automated production with full-process quality inspection, and finally package and deliver the goods as required. We also offer installation guidance and after-sales support. The entire process is efficient and professional for you, and will precisely align with your project standards.

How much does it cost?

Our pricing varies depending on your order details and the quantity. We offer a variety of options to fit your needs and budget. Please email us your details for a complete quotation.

Can I combined your products with my other supplier?

Yes, just give us the details info,we will help you to handle everything.

How long does the quotation validity last? Will the price change if the order is delayed?

Our quotation is valid for one week. If you pay the deposit within this validity period, the price will remain unchanged. If you are unable to pay the deposit within 7 days, you may need to request a new updated quotation.

What information do I need to provide to get an accurate quotation for steel grating? (e.g., dimensions, material, surface treatment, application scenario, quantity)

you need provide us like dimensions, material, surface treatment, application scenario, quantity.

Customization Details

Can you customize steel grating according to our specific drawings? What file formats (e.g., CAD, PDF) do you accept for custom designs?

Yes, we offer custom steel grating services based on your specific drawings. We accept common professional formats including CAD (e.g., .dwg, .dxf) and PDF. For optimal accuracy, CAD files are preferred, and our engineering team will confirm details with you to ensure alignment with your requirements.

What is the range of customizable dimensions for steel grating? Are there any restrictions on maximum/minimum length, width, or bar spacing?

We offer flexible dimension customization for steel grating in line with industry standards, with typical ranges and restrictions as follows:

• Length & Width: Common customizable range is 1m–6m (length) and 0.5m–1.2m (width). For lengths over 6m, we can provide splicing solutions (with guaranteed structural integrity). Minimum size is 0.3m×0.3m (to ensure processing precision).

• Bar Spacing: Standard spacing options are 30mm, 40mm, 50mm, 100mm (bearing bar) and 30mm–100mm (cross bar). Minimum spacing is 20mm (to avoid processing difficulties); maximum spacing is 150mm (to meet basic load-bearing requirements).

For special dimension needs beyond the above range, our engineering team will evaluate feasibility based on load-bearing demands and processing capabilities.

Can you adjust the material of steel grating (e.g., switch from carbon steel to 304/316 stainless steel) based on our corrosive environment requirements?

Yes, we fully support customizing steel grating materials to meet your corrosive environment needs. Switching from carbon steel to 304/316 stainless steel (or other corrosion-resistant alloys) is available. Simply share details of your environment (e.g., medium type, humidity, salt spray exposure), and our team will recommend the optimal material and deliver tailored production.

Can you add special processes (e.g., anti-slip serrations, corrosion-resistant coating) to the steel grating as per our on-site needs?

Yes, we provide customized special processes for steel grating to match your on-site requirements. Anti-slip serrations (for enhanced traction in wet/slippery environments) and corrosion-resistant coatings (e.g., hot-dip galvanizing, epoxy coating, polyurethane coating) are all available. Simply specify your on-site conditions (e.g., slip risk, corrosive factors, usage frequency) and process preferences, and we will integrate the required treatments into production to ensure the steel grating meets safety and durability standards.

For special application scenarios (e.g., heavy-load port terminals), can you customize the bar thickness and structure of steel grating to enhance load-bearing capacity?

Absolutely. We offer full customization of steel grating’s bar thickness, crossbar spacing, and structural design to meet the high load-bearing demands of special scenarios like heavy-load port terminals. Share your specific requirements (e.g., maximum load capacity, span length, usage frequency), and our engineering team will conduct professional load-bearing calculations to tailor a durable, high-performance steel grating solution that complies with industry standards.

Technical Parameters & Material Selection

How do I determine the appropriate load-bearing capacity of steel grating for my scenario (e.g., pedestrian walkways, forklift passage, port crane platforms)? What information do I need to provide to calculate this?

To determine the right load-bearing capacity of steel grating for your scenario, our engineering team will conduct professional calculations based on your specific requirements. Key information to provide includes: 1) Application type (e.g., pedestrian-only, forklift passage, port crane platform); 2) Maximum load (static/dynamic load, unit: kg or tons); 3) Span length between supports (critical for load distribution); 4) Installation layout (e.g., single-span or multi-span); 5) Usage frequency (e.g., continuous heavy-load operation). With these details, we’ll recommend a steel grating solution that meets safety standards and your on-site operational needs.

What are the differences between carbon steel, 304 stainless steel, and 316 stainless steel grating? Which one is suitable for coastal/chemical plant environments?

The core differences between carbon steel, 304 stainless steel, and 316 stainless steel grating lie in corrosion resistance, material composition, and application adaptability. Here’s a concise breakdown: 1) Carbon steel grating: Composed of plain carbon steel, offers basic load-bearing performance but requires surface treatments (e.g., hot-dip galvanizing) for rust resistance; ideal for dry, non-corrosive environments. 2) 304 stainless steel grating: Contains 18% chromium and 8% nickel, providing good resistance to weak acids, moisture, and neutral salt spray; suitable for general corrosive scenarios. 3) 316 stainless steel grating: Adds 2%-3% molybdenum to 304’s composition, enhancing resistance to strong corrosion, marine salt fog, and chemical media. For coastal environments (high salt spray) and chemical plants (exposure to acids, alkalis, or chemical solvents), 316 stainless steel grating is the optimal choice—it delivers long-term durability and anti-corrosion performance to meet harsh operational demands.

What surface treatment options do you offer for steel grating (e.g., hot-dip galvanizing, cold galvanizing, pickling passivation, powder coating)? What are the corrosion resistance and service life of each option?

We provide four mainstream surface treatment options for steel grating, each with distinct corrosion resistance and service life tailored to different environments. Here’s a concise breakdown: 1) Hot-dip galvanizing: Applies a thick, uniform zinc layer (85-120μm) via immersion in molten zinc. Offers excellent corrosion resistance, suitable for outdoor, humid, or mildly corrosive industrial areas. Service life: 15-25 years (varies by environment). 2) Cold galvanizing (electrogalvanizing): Deposits a thin zinc layer (10-30μm) via electrolysis. Provides basic rust protection for dry indoor environments or short-term use. Service life: 3-8 years. 3) Pickling passivation: Primarily used for stainless steel grating to remove surface oxides and form a passive film. Enhances natural corrosion resistance of stainless steel, ideal for food, pharmaceutical, or high-cleanliness environments. Service life: Synchronous with the base stainless steel (10-30+ years, depending on stainless steel grade). 4) Powder coating: Applies a durable resin powder layer (60-120μm) via electrostatic spraying. Offers strong corrosion and scratch resistance, with customizable colors. Suitable for indoor/outdoor areas requiring aesthetic appeal and moderate corrosion protection. Service life: 8-15 years. Choose based on your environment (e.g., salt spray, humidity, chemicals) and service life expectations—our team can recommend the optimal solution.

How is the anti-slip performance of serrated steel grating tested? Does it meet international standards (e.g., ASTM, EN) for slip resistance in wet/oily environments?

The anti-slip performance of our serrated steel grating is tested through two core methods: 1) Coefficient of Friction (COF) testing: Measures the frictional resistance between the grating surface and a standard rubber block under wet/oily conditions using a slip tester, ensuring consistent traction; 2) Practical scenario simulation: Conducts load-bearing slip tests with simulated foot traffic or equipment movement in environments replicating wet, oily, or icy conditions to verify real-world anti-slip reliability. All our serrated steel grating meets key international standards for slip resistance, including ASTM E303 (US standard) and EN 14411 (European standard). In wet/oily environments, the serrated surface’s sharp, raised teeth penetrate moisture or oil films to maintain high COF values (≥0.5, meeting safe anti-slip thresholds), effectively preventing slips and ensuring compliance with global safety requirements for industrial walkways, platforms, and heavy-duty areas.

What is the open area ratio of standard steel grating? Can it be adjusted to meet ventilation/lighting requirements in enclosed spaces (e.g., power station equipment rooms)?

The open area ratio of standard steel grating typically ranges from 60% to 80%, depending on the bar spacing and thickness (e.g., 30×100mm bar spacing for common industrial grades yields ~70% open area). Yes, we fully support adjusting the open area ratio to meet your ventilation and lighting needs in enclosed spaces like power station equipment rooms. Customization options include modifying the spacing between load bars/crossbars (wider spacing for higher open area, narrower spacing for lower) or optimizing bar thickness while maintaining load-bearing capacity. For enclosed spaces requiring enhanced airflow or natural light transmission, we can increase the open area ratio to 85% or higher; for scenarios needing partial shielding (e.g., reducing debris accumulation), we can lower it to 50%-60%. All customized designs retain structural integrity and meet industry load standards, ensuring optimal performance for your specific enclosed space requirements.

Quality & Compliance

Do you provide quality inspection reports for steel grating? What test items are included (e.g., load-bearing, zinc coating thickness, corrosion resistance)?

Yes, we provide comprehensive quality inspection reports for all steel grating orders to ensure compliance with international standards (e.g., ASTM, EN, ISO) and your specific requirements. The core test items included are: 1) Load-bearing capacity: Tests static/dynamic load resistance, deflection, and structural stability to verify compliance with your application’s load demands. 2) Zinc coating thickness (for galvanized products): Measured via magnetic induction to ensure consistency (meets hot-dip galvanizing standards like ASTM A123 or EN ISO 1461). 3) Corrosion resistance: Includes salt spray testing (ASTM B117) for galvanized/stainless steel grating and passivation layer inspection for stainless steel variants. 4) Material composition verification: Confirms the grade of carbon steel or stainless steel (304/316) via spectral analysis. 5) Dimensional accuracy: Checks bar thickness, spacing, overall dimensions, and flatness. 6) Weld quality: Inspects weld strength, uniformity, and absence of defects (for welded steel grating). All reports include test data, standard references, and certification stamps, providing transparent proof of product quality for your project acceptance and compliance needs.

Does your steel grating comply with international industry standards (e.g., ANSI/NAAMM, BS 4592, DIN 24537)? Can you provide corresponding certification documents?

Yes, our steel grating fully complies with major international industry standards, including ANSI/NAAMM (US), BS 4592 (UK), DIN 24537 (Germany), as well as ISO and EN standards. We strictly adhere to these standards in material selection, production processes (welding, cutting, surface treatment), and quality control to ensure consistent performance, safety, and compatibility with global projects. Corresponding certification documents are available upon request, including standard compliance certificates, factory inspection reports, and third-party testing certifications (e.g., SGS, TÜV) that verify adherence to specific standards. These documents provide formal proof of compliance for your project bidding, customs clearance, and on-site acceptance, ensuring seamless integration with your international supply chain and regulatory requirements.

What is the warranty period for your steel grating? What situations are covered (or excluded) under the warranty?

Q: What is the warranty period for your steel grating? What situations are covered (or excluded) under the warranty?

A: Our steel grating has a standard 5-year warranty, with up to 10 years for 304/316 stainless steel or special-coated models.

• Covered: Manufacturing defects (e.g., faulty welding, non-compliant materials), premature corrosion/coating failure under normal use, and load-bearing issues not meeting agreed standards.

• Excluded: Damage from overloading, improper installation/modification, extreme environments beyond design scope, lack of maintenance, or force majeure (e.g., natural disasters).

  We offer repair/replacement for valid claims after verification.

How do you control the quality of steel grating during production? Is there a full-process traceability system for raw materials and finished products?

We implement strict quality control (QC) throughout steel grating production: raw material inspection (certificate verification + spectral analysis), in-process checks (weld strength, dimensional accuracy, bar spacing), and final testing (load-bearing, surface treatment thickness, corrosion resistance). Yes, we have a full-process traceability system—each batch is assigned a unique tracking code, linking raw material batches, production records, QC data, and finished product inspections. This allows full visibility from raw material sourcing to delivery, ensuring accountability and easy issue tracking if needed.

Delivery & Logistics

What is the production lead time for standard steel grating? How long does it take for custom orders?

The production lead time for standard steel grating is 7-10 working days. For custom orders (e.g., special materials, sizes, load-bearing requirements, or surface treatments), lead time is 10-20 working days, depending on customization complexity and order quantity. We prioritize efficient production scheduling and will confirm the exact delivery timeline upon order confirmation.

How do you package steel grating to prevent damage during transportation (especially for long-distance international shipments)?

We use robust, export-grade packaging for steel grating to ensure protection during long-distance international shipments: 1) Each grating panel is wrapped in moisture-proof PE film to resist rust and humidity; 2) Panels are stacked with protective cardboard/plywood between layers to avoid scratches; 3) Bundled with high-strength steel straps (reinforced at 3-4 points) for stability; 4) For large orders, packaged in fumigated wooden crates (compliant with ISPM 15) to prevent deformation and damage from handling. This packaging design withstands ocean shipping, customs inspections, and long-haul logistics, ensuring the product arrives in intact condition.