Cold Rolled Perforated Steel Sheets
About Cold Rolled Perforated Steel Sheets
Cold rolled perforated steel sheets provide a clean surface, excellent formability, and uniform hole patterns. Used for decorative panels, grilles, and filtration screens. Available in Los Angeles.
Quick Facts
- Material: Cold Rolled Steel (Low-Carbon)
- Available Sizes: Specifications vary by size
- Location: Los Angeles warehouse
- Services: Custom size, same-day pickup
Overview
Cold rolled steel is processed below its recrystallization temperature, resulting in a smoother, more uniform surface finish and tighter dimensional tolerances than hot rolled steel. The perforation process, which creates patterns of holes, adds functionality for airflow, light passage, and filtration while reducing weight. This combination makes it a versatile material for both functional and aesthetic applications where precision and appearance are important factors in material selection.
The material typically exhibits properties similar to 1018 steel, offering good weldability and formability. Its clean, oil-free surface is ideal for painting, powder coating, or plating without extensive preparation. The variety of hole sizes, shapes, and patterns allows for customization in applications ranging from industrial machinery guards to architectural facade elements, providing a balance of strength, open area, and visual appeal for designers and fabricators.
Technical Specifications
Mechanical Properties
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 63,800 | PSI |
| Yield Strength | 53,700 | PSI |
| Elongation | 15 | % |
| Hardness | 126 | HB |
Common Applications
- Architectural: Decorative panels, building facades, and sunshades for visual appeal and light control.
- HVAC: Ventilation grilles, fan guards, and air diffusers due to high open area for airflow.
- Industrial Machinery: Safety guards, machine enclosures, and conveyor belts for protection and visibility.
- Filtration: Screens for separating solids from liquids or air, such as in food processing or water treatment.
- Acoustics: Sound-absorbing panels in theaters and studios to manage reverberation.
- Retail & Fixtures: Store displays, shelving, and partitions for a modern, industrial aesthetic.
- Electronics: Enclosures and chassis for devices requiring ventilation to dissipate heat.
- Automotive: Speaker grilles, radiator guards, and other protective/decorative components.
Working with Cold Rolled Perforated Steel Sheets
Machining
Cold rolled perforated steel machines well with standard tooling. The smooth surface reduces tool wear. The presence of holes requires careful support to prevent vibration or tool chatter, especially when drilling or milling near edges.
Welding
This material has excellent weldability using common methods like MIG and TIG. The low carbon content prevents brittleness. Ensure surfaces are clean before welding for best results. Welding near perforated areas may require lower heat settings to avoid distortion.
Finishing
The clean, smooth surface of cold rolled steel is an ideal substrate for finishing. It readily accepts paint, powder coating, and various plating processes with minimal surface preparation, providing a durable and aesthetic final product.
Related Products
Frequently Asked Questions
Q: What does 'staggered' or 'straight' pattern mean for perforated sheets?
A: A staggered pattern means the holes in each row are offset from the holes in adjacent rows, typically at a 60-degree angle, which provides maximum open area and strength. A straight pattern aligns holes in a grid with both horizontal and vertical lines.
Q: Is cold rolled perforated sheet suitable for outdoor use?
A: Untreated cold rolled steel will rust quickly when exposed to moisture. For outdoor applications, it must be protected with a coating like paint, powder coating, or galvanization. For superior corrosion resistance, consider stainless steel or aluminum perforated sheet.
Q: What is the difference between perforated sheet and expanded metal?
A: Perforated sheet is made by punching holes out of a solid sheet, resulting in a flat product with uniform thickness. Expanded metal is made by slitting and stretching a sheet, creating a mesh with no material loss. Expanded metal is typically lighter and has a three-dimensional texture.
Stock & Custom Sizes
Available in various thicknesses, hole sizes, and patterns. Standard sheet sizes such as 4x8 ft and 4x10 ft are common. Custom size available.
Same-day cutting and Los Angeles pickup available.
View Sizes & PricingNeed Cold Rolled Perforated Steel Sheets? Contact Bobco Metals for availability and Los Angeles pickup.
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