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Help CenterCarbon Steel Expanded Metal 4.0mm Thickness 18x45mm Diamond Pattern Structural Mesh
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Anping Xinye Metal Wire Mesh Products Co., Ltd is a professional manufacturer of expanded metal mesh based in Hengshui, Hebei, China. Our factory covers 5,000-10,000 square meters and employs 51-100 people, allowing us to maintain stable production and direct communication. We produce the Carbon Steel Expanded Metal 4.0mm Thickness 18x45mm Diamond Pattern Structural Mesh for clients that need heavy-duty structural panels, custom-sized mesh, and dependable supply. The mesh combines high strength with a versatile diamond pattern, making it suitable for construction, industrial platforms, fencing, and architectural applications.
Expanded metal is made by cutting and stretching a solid metal sheet into a continuous network of diamond-shaped openings. This process creates a strong, single-piece sheet with no welded joints and no separate wires. The 4.0mm base material thickness and 18x45mm diamond opening provide a balanced combination of rigidity, open area, and weight. Our structural mesh is suitable for projects where uniform openings and predictable material behavior are required. It can be supplied as standard sheets or cut-to-size panels according to your production requirements.
Key Product Characteristics
- Heavy-duty carbon steel construction: The 4.0mm thickness provides increased stiffness and impact resistance compared to light expanded metal meshes.
- Uniform 18x45mm diamond pattern: Repeated openings create a consistent appearance and predictable performance.
- One-piece mesh form: Because the mesh is expanded from a single sheet, there are no joints to weaken under load.
- Slip-resistant texture: The raised strands offer natural friction for walking surfaces and load areas.
- Easy fabrication: The mesh can be cut, welded, bolted, or framed using common methods.
- Surface treatment flexibility: Plain steel, galvanized, coated, or color finished options are available on request.
- Wide project use: Suitable for platforms, walkways, guards, screens, filters, partitions, and structural reinforcement.
Technical Specifications
| Material | Carbon steel / low-carbon steel, grade customizable on request |
| Mesh Type | Expanded metal / structural expanded mesh |
| Sheet Thickness | 4.0 mm |
| Diamond Opening Size | Approx. 18 x 45 mm, orientation according to drawing |
| Pattern | Diamond |
| Surface Treatment | Plain, galvanized, painted, powder coated, or PVC coated, subject to requirement |
| Form | Flat sheet, cut panel, or fabricated component |
| Customization | Length, width, edge preparation, framing, and welding available on request |
| Shipping Ports | Tianjin, Qingdao, Shanghai |
Material and manufacturing quality. Selected carbon steel sheets are slit precisely and expanded in a controlled direction. This creates a uniform lattice pattern with continuous strands. Some panels are then flattened or leveling-treated to improve flatness for framing, welding, or bolting. The 4.0mm thickness makes the sheet suitable for structural support panels where the mesh must keep its shape after cutting and during installation. Because the product is made from one piece, opening size remains consistent across the full sheet.
We also offer value-added services such as shear cutting, spot welding, frame fabrication, edge rolling, and surface cleaning before coating. If you need nested or curved panels, please contact our technical team. We can review the application and recommend the best mesh orientation for your structure.
Advantages and Application Areas
The 4.0mm thick expanded metal mesh is often selected for structural-type tasks where ordinary expanded metal is too light. The one-piece lattice provides resistance to deformation and helps maintain dimensional stability. The open area allows air flow, light transmission, and visibility, while the raised diamond strands create a useful non-slip surface. These features make the product a practical choice for permanent and temporary installations in industrial, commercial, and outdoor environments.
- Structural walkways, platforms, and stair treads
- Machine guards, safety barriers, and access covers
- Industrial racking, storage shelving, and separation screens
- Ventilation panels, light diffuser panels, and screening enclosures
- Facade cladding, decorative security mesh, and building screens
- Reinforcement in concrete, composite, or frame-building applications
- Sorting, filtering, and support screens for processing lines
Ordering Information
To prepare an accurate quotation, please include the following information in your inquiry: required sheet dimensions, thickness, diamond opening size, mesh orientation, surface treatment, edge condition, tolerance requirements, and destination port. The more complete the specification, the easier it is for our team to confirm production details and delivery timelines.
- Sheet width and length
- Diamond opening size and orientation
- Required surface treatment
- Edge details or fabricated parts
- Number of pieces or total order quantity
- Preferred packaging and shipping method
Trusted Manufacturer Support
Our company is an experienced expanded metal manufacturer located in Anping, Hebei, a well-known metal wire mesh production area in China. We operate a 5,000-10,000 square meter facility with 51-100 workers and focus on responsive service, stable processing, and consistent quality. Our production process includes raw material selection, expanding, flattening, cutting, and optional surface finishing. Before packing, we check key quality indicators such as opening consistency, burr condition, sheet flatness, and coating condition.
We export through Tianjin, Qingdao, and Shanghai, serving markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic market. Customers are welcome to send drawings, request samples, discuss custom specifications, or arrange inspection before shipment. Our technical and sales teams are ready to help you choose the most suitable mesh specification for your application.
Frequently Asked Questions
Q: What is expanded metal mesh?
A: Expanded metal mesh is produced from a solid metal sheet by slitting and stretching it to form diamond openings. It is different from welded or woven wire mesh because there are no separate wires and no welded intersections.
Q: What does 18x45mm mean?
A: It refers to the approximate diamond opening dimensions in millimeters. One value usually describes the short way of the opening and the other describes the long way. Please confirm the required orientation with our engineering team before production.
Q: Can I order custom sheet sizes?
A: Yes, we can supply standard sheets or cut-to-size panels. Length, width, edge condition, and hole configuration can be customized based on your project. Please provide your detailed dimensions when sending an inquiry.
Q: What surface treatment is recommended for outdoor use?
A: For outdoor or corrosive environments, hot-dip galvanizing, anti-rust paint, or powder coating is commonly recommended. The exact choice depends on exposure, cost, and local site conditions. You can discuss availability and performance with our sales team.
Q: Can you produce different thickness and opening sizes?
A: Yes, we custom produce various expanded metal specifications. The production process can adjust sheet thickness, diamond dimensions, strand width, and overall sheet size. Please send your drawing or specification so that we can confirm a suitable production method.
Q: How is the product packed to protect it?
A: Sheets are normally packed on strong pallets with protective film or paper. Smaller panels can be packed in wooden crates. For overseas orders, packaging can be adjusted to your preference and shipping requirements.
Q: Can I receive samples before placing an order?
A: Yes, samples are available. Because production involves setup and raw material requirements, sample availability should be confirmed first. Please contact our sales team with the required mesh specification and sample size.
Q: Can you support inspection and testing?
A: We support in-house inspection and can work with third-party testing organizations upon request. If you need verified technical data, please inform us when placing the order so that we can arrange inspection according to agreed methods.
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