Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of 3mm Thick Stainless Steel Perforated Sheet Supplier | 304 316 Custom Hole Sheet in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
3mm Stainless Steel Perforated Sheet for Industrial and Architectural Projects
3mm thick stainless steel perforated sheet is a durable metal sheet with precisely punched holes, widely used for filtration, ventilation, machine protection, architectural decoration, acoustic panels, food processing equipment and industrial screening systems.
Compared with thinner perforated sheets, 3mm stainless steel perforated sheet provides better rigidity, impact resistance and dimensional stability. It is suitable for projects requiring both mechanical strength and functional open area, especially where corrosion resistance, clean surface and long service life are important.
Xi'an Dongmeng Group Co., Ltd. supplies custom 3mm stainless steel perforated sheets in 304, 316L, 201, 430 and other stainless steel grades. We support custom hole diameter, pitch, open area, margin, sheet size, surface finish and fabrication according to drawings or project specifications.
Why Choose 3mm Thickness?
3mm thickness is one of the most practical choices for stainless steel perforated sheets because it offers a balanced combination of strength, flatness and processing flexibility.
It is stronger than 1mm or 2mm perforated sheet and more suitable for medium-load panels, machine guards, industrial screens and architectural applications. At the same time, it is easier to cut, punch and form than heavy stainless steel plate, helping buyers control both material cost and fabrication cost.
Recommended for:
Industrial protection panels
Ventilation covers
Equipment enclosures
Filter support plates
Decorative wall panels
Ceiling panels
Facade screens
Food and pharmaceutical equipment parts
Machine guards
Anti-slip or drainage panels
Available Stainless Steel Grades
304 Stainless Steel Perforated Sheet
304 stainless steel is the most commonly used grade for general industrial and architectural applications. It offers good corrosion resistance, clean surface quality and reliable fabrication performance.
Recommended for:
Interior decoration
Machine guards
Ventilation panels
General industrial screens
Food equipment covers
Commercial ceiling panels
201 Stainless Steel Perforated Sheet
201 stainless steel is a cost-effective option for indoor decorative and light industrial applications where high corrosion resistance is not the main requirement.
Recommended for:
Indoor decoration
Display panels
Furniture panels
Retail interior panels
Low-corrosion industrial use
316L Stainless Steel Perforated Sheet
316L stainless steel contains molybdenum and provides better resistance to chloride-containing or humid environments. It is recommended for marine, chemical, food processing and higher-corrosion applications.
Recommended for:
Marine environments
Chemical equipment
Food processing systems
Pharmaceutical equipment
Outdoor humid areas
Coastal architectural panels
430 Stainless Steel Perforated Sheet
430 stainless steel is a ferritic stainless steel with magnetic properties and good oxidation resistance. It is suitable for decorative, appliance and indoor panel applications.
Recommended for:
Appliance panels
Interior decoration
Kitchen equipment
Display stands
Cost-sensitive decorative projects
Custom Hole Patterns
We can supply 3mm stainless steel perforated sheets with different hole patterns according to drawing or project requirement.
Available hole types include:
Round hole
Square hole
Slotted hole
Hexagonal hole
Decorative hole
Staggered pattern
Straight pattern
Custom CNC punching pattern
Key technical parameters buyers should confirm before quotation:
Hole diameter
Hole pitch
Hole pattern
Open area percentage
Sheet size
Blank margin
Edge distance
Surface finish
Quantity
Tolerance requirement
Drawing or sample
Open Area and Project Performance
Open area is one of the most important technical factors when selecting perforated stainless steel sheet. It affects airflow, light transmission, filtration performance, sound absorption, weight reduction and panel strength.
A higher open area improves ventilation and light transmission but may reduce rigidity. A lower open area provides better strength and impact resistance but reduces airflow or drainage performance.
For industrial purchasing, we recommend confirming the required open area before production, especially for filtration, acoustic panels, ventilation covers, machine guards and equipment enclosures.
Specification Range
| Item | Specification Details |
|---|---|
| Product Name | 3mm Thick Stainless Steel Perforated Sheet |
| Material Grade | 201, 304, 304L, 316, 316L, 310S, 321, 430, 2205 Duplex Stainless Steel |
| Standard | ASTM A240, ASTM A480, JIS G4304, JIS G4305, EN 10088, GB/T 3280 |
| Thickness | 3mm standard thickness; other thicknesses from 0.5mm to 10mm can be customized |
| Sheet Width | 500mm, 1000mm, 1219mm, 1250mm, 1500mm, 1800mm or custom width |
| Sheet Length | 1000mm, 2000mm, 2438mm, 2500mm, 3000mm, 4000mm, 6000mm or custom length |
| Common Sheet Size | 1000 × 2000mm, 1219 × 2438mm, 1250 × 2500mm, 1500 × 3000mm, 1500 × 6000mm |
| Hole Type | Round hole, square hole, slotted hole, hexagonal hole, decorative hole, custom punched pattern |
| Hole Arrangement | 45° staggered, 60° staggered, straight row, diagonal row, custom layout |
| Hole Diameter | 1mm–100mm available; customized according to drawing or application |
| Slot Size | Custom slot width and length available according to drawing |
| Pitch | Customized according to hole diameter, open area and strength requirement |
| Open Area | 5%–70% available, depending on hole size, pitch and sheet strength requirement |
| Margin / Border | With margin or without margin; custom blank edge available |
| Surface Finish | 2B, No.1, No.4, Hairline, Brushed, BA, Mirror, Sandblasted, PVD color finish |
| Edge Processing | Sheared edge, laser cut edge, deburred edge, rounded corner, custom edge treatment |
| Further Processing | Cutting, leveling, deburring, bending, welding, rolling, forming, surface protection |
| Surface Protection | PVC film, PE film, paper interleaving or custom protective film |
| Tolerance | Thickness, hole diameter, pitch and sheet size tolerance according to order requirement |
| Flatness | Leveling service available for better flatness and installation performance |
| Inspection | PMI test, thickness inspection, hole diameter inspection, pitch inspection, flatness inspection, surface inspection |
| Certificate | MTC 3.1, PMI report, inspection report, third-party inspection by SGS / BV / TÜV / Intertek available |
| MOQ | Small trial order accepted; regular order quantity depends on size, grade and hole pattern |
| Lead Time | Usually 7–20 days depending on material grade, quantity and processing complexity |
| Packing | PVC film, waterproof paper, wooden pallet, wooden case, steel strip fixing, export seaworthy packing |
| Loading | Container loading, LCL shipment, bulk shipment or customized logistics solution |
| Main Applications | Filtration, ventilation, machine guard, equipment enclosure, ceiling panel, facade panel, acoustic panel, food equipment, chemical equipment, drainage cover |
| Supply Type | Factory direct supply, OEM / ODM fabrication, custom punching according to drawing |
Hole Pattern Selection Guide
| Hole Pattern | Common Features | Recommended Applications |
|---|---|---|
| Round Hole | Most common pattern, good strength, clean appearance, easy processing | Ventilation panels, filter screens, machine guards, decorative panels |
| Square Hole | Higher open area and straight visual effect | Screening panels, architectural panels, display panels, industrial partitions |
| Slotted Hole | Better drainage, airflow and directional opening | Drain covers, ventilation covers, acoustic panels, conveyor guards |
| Hexagonal Hole | High open area with strong decorative effect | Facade panels, ceiling panels, decorative screens, architectural projects |
| Decorative Pattern | Custom visual design and branding effect | Interior decoration, wall panels, elevator panels, commercial building projects |
| Custom CNC Pattern | Made according to drawing, logo-free or project-specific design available | OEM parts, equipment panels, customized industrial components |
For accurate quotation, please send material grade, thickness, sheet size, hole type, hole diameter, pitch, open area, surface finish, quantity and destination port. If drawings are available, we can provide a more precise quotation and production solution.
Manufacturing and Processing Capabilities
Xi'an Dongmeng Group supports both standard and customized stainless steel perforated sheet production. We can process material according to customer drawings, samples or technical specifications.
Our processing services include:
Raw material selection
Stainless steel sheet cutting
CNC punching
Hole pattern customization
Sheet leveling
Edge trimming
Deburring
Surface protection film
Bending and forming support
Welding support
Export packaging
For OEM and ODM projects, our team can help buyers select suitable material grade, hole pattern, open area and surface finish according to the final application.
Quality Control and Inspection
For B2B buyers, perforated sheet quality is not only about appearance. Hole accuracy, flatness, burr control, surface condition and material traceability are all important for successful project installation.
Our inspection items include:
Material grade verification
PMI testing
Thickness inspection
Sheet size inspection
Hole diameter check
Pitch and pattern inspection
Open area confirmation
Flatness inspection
Burr and edge inspection
Surface visual inspection
Packing inspection
MTC 3.1 document support
Third-party inspection by SGS, BV, TÜV or Intertek can be arranged according to project requirements.
Packaging and Export Delivery
3mm stainless steel perforated sheets are packed carefully to reduce surface scratches, edge damage and deformation during long-distance transportation.
Standard export packing includes:
PVC protective film
Waterproof paper or plastic wrapping
Wooden pallet or wooden case
Steel strip fixing
Corner protection
Bundle label
Shipping mark
Container loading support
Custom packing can be provided for architectural panels, mirror finish sheets, small-size parts or OEM projects.
Applications of 3mm Stainless Steel Perforated Sheet
3mm stainless steel perforated sheet is widely used in industrial, architectural and commercial projects.
Common applications include:
Machine guard panels
Ventilation grilles
Filter support sheets
Industrial screening plates
Acoustic panels
Decorative wall panels
Ceiling panels
Building facade panels
Balcony guard panels
Food processing equipment
Pharmaceutical clean equipment
Drainage covers
Equipment enclosures
Anti-slip panels
Protective covers
How to Get an Accurate Quotation
To quote quickly and accurately, please send us the following details:
Material grade, such as 304 or 316L
Thickness, such as 3mm
Sheet size
Hole type
Hole diameter and pitch
Open area requirement
Surface finish
Quantity
Edge margin requirement
Drawing or photo
Packing requirement
Destination port
If you are not sure which grade or hole pattern is suitable, our team can recommend a solution according to your application environment, load requirement and budget.
Grade Selection
| Grade | Best For | Buyer Selection Logic |
|---|---|---|
| 201 | Indoor decorative panels, low-corrosion use | Lower cost, suitable for indoor use |
| 304 | General industrial and architectural use | Most common choice, balanced cost and corrosion resistance |
| 304L | Welded or fabricated parts | Better welding performance |
| 316L | Marine, chemical, humid or chloride environments | Better corrosion resistance |
| 430 | Decorative and appliance panels | Magnetic, cost-effective for indoor panels |
| 2205 | High-strength and chloride environments | Higher strength and better corrosion resistance |
FAQ
What is 3mm thick stainless steel perforated sheet?
It is a stainless steel sheet with 3mm thickness and punched holes in round, square, slotted or custom patterns. It is used for filtration, ventilation, protection, decoration, screening and equipment fabrication.
Which grade is better for 3mm stainless steel perforated sheet, 304 or 316L?
304 is suitable for general industrial and architectural use. 316L is recommended for marine, chemical, food processing, pharmaceutical and humid environments where better corrosion resistance is required.
Can you customize the hole size and pitch?
Yes. We can customize hole diameter, pitch, open area, hole pattern, blank margin and sheet size according to drawings or samples.
What hole types are available?
Common hole types include round hole, square hole, slotted hole, hexagonal hole and decorative hole. Custom CNC punching patterns are also available.
Can you supply 3mm stainless steel perforated sheet with MTC 3.1?
Yes. We can provide MTC 3.1, PMI report and other inspection documents according to order requirements.
Can the perforated sheet be cut to size?
Yes. We support custom cutting, leveling, deburring, bending and fabrication service.
What surface finishes are available?
Available finishes include 2B, No.1, No.4, hairline, brushed, mirror and other custom finishes.
Is 3mm stainless steel perforated sheet suitable for outdoor use?
Yes, but the grade should be selected according to the environment. 304 is suitable for general outdoor use, while 316L is better for coastal, marine or chloride-containing environments.
What information is needed for quotation?
Please provide material grade, thickness, sheet size, hole type, hole diameter, pitch, open area, surface finish, quantity and destination port. A drawing will help us quote more accurately.
Do you support third-party inspection?
Yes. Third-party inspection by SGS, BV, TÜV or Intertek can be arranged before shipment.
Products Description
Need 3mm Stainless Steel Perforated Sheet for Your Project?
Xi'an Dongmeng Group Co., Ltd. supplies custom 3mm thick stainless steel perforated sheets in 304, 316L, 201, 430 and other stainless steel grades. We support custom hole diameter, pitch, open area, surface finish, sheet size, cutting, deburring and export packing according to your project requirements.
To get a fast and accurate quotation, please send us:
Material grade: 304 / 316L / 201 / 430 / 2205
Thickness: 3mm or custom thickness
Sheet size: width × length
Hole type: round / square / slotted / custom pattern
Hole diameter and pitch
Open area requirement
Surface finish: 2B / No.1 / No.4 / brushed / mirror
Quantity
Application or drawing
Destination port
Our team will recommend the suitable stainless steel grade, hole pattern and packing solution according to your application environment, strength requirement and budget.
Xi'an Dongmeng Group Co., Ltd.
Phone / WhatsApp / WeChat: +86 157 6921 4734
Email: office@dongmjd.com
Hot Tags: 3mm Thick Stainless Steel Perforated Sheet Supplier | 304 316 Custom Hole Sheet, China 3mm Thick Stainless Steel Perforated Sheet Supplier | 304 316 Custom Hole Sheet manufacturers, suppliers, factory, 440C Stainless Steel
