Foshan Pailian Aluminium Ltd is one of the most reliable manufacturers and suppliers of custom powder coated aluminum square tubes in China. Welcome to wholesale cheap custom powder coated aluminum square tubes made in China here from our factory. We also accept customized orders.
Zhonglian Aluminum, a leading source manufacturer with 33+ years of aluminum extrusion expertise, presents custom powder coated aluminum square tubes engineered for durability, versatility, and precision. Our tubes combine high-quality 6063/6061 aluminum alloy (or custom alloys on request) with industry-leading powder coating technology, delivering products that excel in both performance and aesthetics. As a one-stop aluminum solution factory spanning 100,000㎡, we integrate mold development, extrusion, surface finishing, CNC machining, and quality inspection-all under one roof-to meet your unique project needs.
Products Details
| Specification Category | Details & Customization |
|---|---|
| Product Name | Custom Powder Coated Aluminum Square Tubes |
| Base Material | Standard Alloys: 6063 (primary), 6061, 6005A, 6082 View Alloy Differences • 6063: Optimal for architecture/decoration (excellent extrudability, smooth surface) |
| Dimensional Specifications | Width: 10mm – 200mm | Thickness: 0.8mm – 12mm | Length: 1m – 6m (standard) Tolerance: ±0.1mm (dimensional) | Straightness: ≤0.5mm/m | Diagonal Tolerance: ±0.2mm Custom Size Range • Custom width/thickness: Up to 300mm (for bulk orders ≥10 tons) |
| Powder Coating Details | Material: Eco-friendly, lead-free, RoHS-compliant polyester powder Thickness: 60μm – 120μm | Colors: 1000+ RAL/Pantone | Finishes: Matte/Gloss/Satin/Textured/Anti-fingerprint Adhesion: ≥4B (ASTM D3359) | Salt Spray Test: ≥1000 hours (ASTM B117) Special Coating Options • Color matching: Support client's sample/color code (no extra cost for RAL/Pantone matching) |
| Mechanical Properties | Tensile Strength: 200MPa – 310MPa | Yield Strength: 170MPa – 270MPa Elongation: ≥8% | Hardness: HB 60 – 90 Temper Options: T5 (standard), T6 (high-strength requirement) |
| CNC Deep Processing | Machining Types: Drilling, milling, tapping, threading, bending, miter cutting Precision: ±0.05mm | Min Hole Diameter: 2mm | Bending Radius: ≥2× tube thickness Drawing Support • Support 2D/3D drawing formats: DWG, DXF, STEP, IGES |
| Quality Certifications | CE, TUV, SGS, RoHS, ISO 9001:2015, KS D 3501, REACH Compliant with EU, US, and Asian market standards |
| Packaging Standards | Standard: Inner plastic film + kraft paper + wooden pallet (waterproof/shockproof) Custom: Wooden crates, plastic sleeves, branded boxes, moisture-proof packaging Pallet Size: 1200×800mm (standard) / 1200×1000mm (custom) Fumigation-free packaging for global shipping |
| Order Terms | MOQ: 500kg (sample orders: 10-20kg available) Lead Time: Standard (15-25 days) | Custom color/mold (20-35 days) | Sample (3-5 days) Payment: T/T (30% deposit, 70% against B/L copy), L/C at sight Bulk Discount • ≥5 tons: 20% off | ≥10 tons: 25% off |
Premium Powder Coating: Durability Meets Aesthetics
Our powder coating process is a standout advantage, designed to exceed industry standards and customer expectations:
- High-Quality Coating Materials: We use eco-friendly, lead-free powder coatings that resist UV radiation, corrosion, and scratches-ideal for indoor and outdoor applications.
- Rigorous Pre-Treatment: Tubes undergo degreasing, acid pickling, chromating, and drying before coating, ensuring strong adhesion (≥4B) and long-lasting performance (10+ years of color retention in harsh environments).
- Customizable Finishes: Choose from 1000+ RAL/Pantone colors, or match your brand's unique shade. Options include matte, gloss, satin, textured, or anti-fingerprint finishes.
- Uniform Coating Application: Advanced electrostatic spraying equipment ensures even coverage without drips, bubbles, or inconsistencies-enhancing both appearance and structural protection.
Flexible Customization: Your Project, Your Specifications
As a custom-focused manufacturer, we turn your ideas into reality with end-to-end customization:
- Full-Size Customization: Adjust width, thickness, and length to your exact needs-from small precision tubes to long-span structural pieces (cut-to-length, miter cutting, or hole drilling available).
- Coating Personalization: Color matching, finish texture, and special functional coatings (anti-slip, anti-static, or fire-retardant) to meet specific project demands.
- Mold Development Support: No existing mold? Our in-house engineering team provides custom mold design and manufacturing for unique profiles-fast turnaround (7-15 days) and cost-effective solutions.
- Bespoke Packaging: Custom packaging (wooden crates, plastic sleeves, or branded boxes) to prevent damage during shipping, even for bulk or oversized orders.
How to choose the right aluminum tubes for your project?
1. Architecture & Construction (Curtain Walls, Handrails, Ceilings)
Curtain Walls
- 6063 alloy + matte finish coating
- Width: 50-100mm | Thickness: 2-5mm
Building Handrails
- 6005A alloy + anti-corrosion coating
- Width: 30-60mm | Thickness: 1.5-3mm
Recommended Configuration
| Selection Dimension | Recommended Parameters | Selection Rationale |
|---|---|---|
| Alloy Material | 6063 (Preferred), 6005A | 6063: Excellent extrudability for complex shapes; 6005A: Higher strength for load-bearing |
| Powder Coating | Outdoor polyester powder (RAL 9005/RAL 7035), Matte/Satin finish | 1000-hour salt spray resistance, no glare, long-lasting color |
| Dimensions | Width:20-100mm; Thickness:1.5-5mm; Length:3-6m | Balances stability and installation flexibility; standard sizes shorten lead time |
| Additional Processing | CNC drilling, miter cutting, bending | Seamless splicing and precise installation for building structures |
| Key Certifications | CE, TUV, ISO 9001 | Complies with international building standards for project approval |
2. Furniture & Interior Design (Table/Chair Frames, Shelves, Trims)
Table/Chair Frames
- 6063 alloy + anti-fingerprint coating
- Width: 20-50mm | Thickness: 1-2.5mm
Decorative Trims
- 6063 alloy + custom brand color coating
- Width: 10-30mm | Thickness: 0.8-1.5mm
Recommended Configuration
| Selection Dimension | Recommended Parameters | Selection Rationale |
|---|---|---|
| Alloy Material | 6063 (Mainstream), 6061 | 6063: Lightweight + smooth surface; 6061: Higher strength for load-bearing furniture |
| Powder Coating | RoHS-compliant powder, custom colors, Anti-fingerprint finish | Eco-friendly (no harmful substances), easy to clean, brand color matching |
| Dimensions | Width:10-50mm; Thickness:0.8-2.5mm; Length:1-3m (cut-to-size) | Lightweight design; custom cutting minimizes waste |
| Additional Processing | CNC tapping, curved bending, laser logo engraving | Easy assembly; unique shapes; brand recognition enhancement |
| Key Certifications | RoHS, SGS | Ensures indoor environmental safety; third-party testing builds trust |
3. Industrial & Equipment Manufacturing (Frames, Conveyor Lines, Brackets)
Equipment Frames
- 6061 alloy + wear-resistant coating
- Width: 50-200mm | Thickness: 3-12mm
Conveyor Lines
- 6061 alloy + anti-static coating
- Width: 30-80mm | Thickness: 2-5mm
Recommended Configuration
| Selection Dimension | Recommended Parameters | Selection Rationale |
|---|---|---|
| Alloy Material | 6061, 6082 (High-demand scenarios) | 6061: 270MPa tensile strength; 6082: 310MPa tensile strength for heavy-duty use |
| Powder Coating | Wear-resistant polyester powder, Anti-static/anti-slip coating | Resists friction/vibration; fits electronic/heavy-industry environments |
| Dimensions | Width:30-200mm; Thickness:2-12mm; Length:2-6m | Thick walls ensure stability; long lengths reduce splicing |
| Additional Processing | High-precision CNC milling, multi-station drilling (±0.05mm tolerance) | Seamless component docking; consistent quality for bulk orders |
| Key Certifications | ISO 9001, KS D 3501 | Complies with industrial quality standards; ensures batch consistency |
4. Outdoor & Leisure (Garden Fences, Patio Structures, Marine Components)
Garden Fences
- 6063-T5 alloy + anti-corrosion coating
- Width: 20-60mm | Thickness: 1.2-3mm
Key Certifications SGS Salt Spray Test, REACH Complies with global outdoor product standards; adapts to various climates
Recommended Configuration
| Selection Dimension | Recommended Parameters | Selection Rationale |
|---|---|---|
| Alloy Material | 6063-T5, 6061-T6 | 6063-T5 has excellent corrosion resistance, suitable for regular outdoor scenarios. 6061-T6 offers higher strength, adapting to harsh environments like marine and coastal areas. |
| Powder Coating | Fluorocarbon powder (PVDF), Marine-grade anti-corrosion coating | Fluorocarbon coating provides superior UV and anti-aging performance, maintaining color for 10 years outdoors. Marine-grade coating resists salt spray and moisture corrosion. |
| Dimensional Specifications | Width: 20mm–80mm; Thickness: 1.2mm–4mm; Length: 3m–6m | Balances wind resistance and installation flexibility. Standard sizes enable fast delivery, and long lengths reduce fence splicing gaps. |
| Additional Processing | Anti-theft drilling, surface texture treatment | Anti-theft drilling enhances fence security, and texture treatment improves slip resistance and aesthetics. |
| Key Certifications | SGS Salt Spray Test Certification, REACH | Complies with environmental and weather resistance standards for outdoor products, adapting to different climate regions worldwide. |
Strict Quality Control: Compliance & Reliability
Quality is non-negotiable at Zhonglian Aluminum-we adhere to global standards and rigorous inspection protocols:
- Multi-Stage Inspection: Raw material testing (alloy composition, tensile strength), extrusion quality checks (dimensional accuracy, straightness), and post-coating inspections (adhesion, thickness, color consistency).
- Certified Excellence: Our products hold CE, TUV, SGS, RoHS, ISO 9001, KS, and REACH certifications-meeting European, American, and Asian market requirements.
- Traceability System: Each batch is assigned a unique tracking code, allowing full traceability from raw material to finished product.
Secure Packaging & Global Shipping
We ensure your products arrive in perfect condition, no matter the destination:
- Standard Packaging: Inner plastic film + outer carton + wooden pallet (waterproof, shockproof, and stackable).
- Custom Packaging: Tailored solutions for air, sea, or land shipping-including moisture-proof packaging for humid regions and reinforced crates for heavy loads.
- Global Logistics Partnerships: We collaborate with trusted logistics providers to offer fast, cost-effective shipping to North America, Europe, Australia, the Middle East, and beyond-door-to-door delivery available.
rusted by Global Clients & Proven Track Record
One-Stop Aluminum Solution: Simplify Your Supply Chain
As a full-service factory, we streamline your procurement process with integrated services:
- End-to-End Production: From mold development and extrusion to coating, machining, and inspection-no middlemen, no delays.
- Cost Savings: Bulk purchasing power and in-house processing reduce costs compared to sourcing from multiple suppliers.
- Efficient Communication: Dedicated account managers provide 24/7 support, from quote to delivery.
- Scalable Capacity: 25 extrusion lines and 50,000 tons annual output ensure we can handle both small-batch prototypes and large-volume production orders (short lead time: 15-25 days for standard orders).
Need a Custom Solution?
Our team of engineers will tailor custom powder coated aluminum square tubes to your project needs.
Get Free Custom QuoteOr contact us via WhatsApp: +86-18825985370 | Email: zhlaluminum@gmail.com
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