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High-Quality Aluminum Angle Bar – Structural & Architectural L-Shaped Profiles
Product Overview
Aluminum angle bar, also known as L-section, L-profile, or L-channel, is a versatile extruded aluminum product featuring two legs that meet at a precise 90-degree angle, creating a distinctive L-shape. Available in both equal leg と unequal leg variations, aluminum angle bars are one of the most widely used structural components in construction, 製造, and fabrication industries worldwide.
As a professional aluminum angle bar manufacturer and supplier in China, Qida Metal offers a comprehensive range of extruded aluminum L-profiles in multiple alloys, tempers, and surface finishes. Our products are engineered to deliver the optimal balance of lightweight design, 耐食性, と structural integrity for applications ranging from architectural trim to heavy-duty industrial framing.
Key Features & 利点
1. Exceptional Strength-to-Weight Ratio
Aluminum angle bars offer approximately one-third the weight of steel while providing excellent structural support. This significant weight reduction translates to lower transportation costs, easier handling, and reduced structural load requirements in your projects.
2. Superior Corrosion Resistance
Aluminum naturally forms a protective oxide layer, delivering outstanding resistance to weathering, moisture, and chemical exposure. Unlike steel angles, aluminum angle bars will never rust – making them ideal for both indoor and outdoor applications, including marine environments.
3. Excellent Formability & Workability
Aluminum angle bars are easy to cut, drill, machine, and weld using standard tools. Whether you need to cut with a simple hacksaw or perform complex CNC machining, aluminum angles deliver consistent, predictable results.
4. Versatile Surface Finishes
Available in multiple finishes including mill finish, 陽極酸化された, powder coated, electrophoretic coated, と brushed metal. Anodized finishes enhance both durability and aesthetic appeal, making aluminum angles suitable for exposed architectural applications.
5. 100% リサイクル可能 & Environmentally Friendly
Aluminum can be recycled indefinitely without losing its properties, requiring up to 95% less energy to recycle than to produce primary aluminum. Choosing aluminum angles supports sustainable construction and manufacturing practices.
6. Non-Magnetic & Spark-Free
Aluminum is non-magnetic and does not produce sparks upon impact – a critical safety feature for environments with sensitive electronic equipment or flammable materials.
7. Low Maintenance & Long Service Life
Aluminum angles require minimal maintenance over their service life, resisting warping, cracking, and water damage – unlike wood or untreated steel.
8. Dimensional Stability
Extruded aluminum angles maintain consistent dimensions throughout their length, with sharp, precise corners that ensure reliable fit and assembly.
製品仕様
Available Alloys & テンパーズ
| Alloy Series | Common Alloys | Available Tempers | Primary Application |
|---|---|---|---|
| 6061 | 6061-T6 | T6, ○, T4, T5 | Structural – heavy-duty framing, truck beds, marine components |
| 6063 | 6063-T5, 6063-T6 | T5, T6, T52 | Architectural – window/door framing, trim, 家具 |
| 6082 | 6082-T6 | T6, ○ | Structural – high-strength applications |
| 5083 | 5083-○ | ○, H112 | Marine – shipbuilding, offshore |
| 6005 | 6005-T5, 6005-T6 | T5, T6 | General structural |
| 6060 | 6060-T5, 6060-T66 | T5, T66 | General purpose, decorative anodizing |
Available Size Range
| Parameter | Range |
|---|---|
| Leg A | 10mm – 200mm |
| Leg B | 10mm – 200mm |
| 厚さ (T) | 2mm – 15mm |
| 長さ | 1,000mm – 12,000mm (custom up to 15m available) |
| Equal / Unequal | Both available |
Custom sizes and special profiles are available upon request.
Surface Finishes Available
| Finish Type | 説明 | Best For |
|---|---|---|
| Mill Finish | Natural aluminum surface | Cost-effective, further processing |
| Anodized | Electrochemical oxidation (10-30 micron) | Enhanced durability, decorative applications |
| Powder Coated | Color coating (60-100 micron) | Color-matched architectural projects |
| Electrophoretic Coating | Clear or color coating | Superior corrosion protection |
| Brushed Metal | Mechanical brushing finish | 装飾的な, modern aesthetic |
| PVDF Coating | High-performance fluoropolymer | Extreme weather resistance |
Applicable Standards
Our aluminum angle bars comply with major international standards including ギガバイト/トン 6892, ASTM B221, で 754, で 755, as well as ISO, から, 彼. We can also supply to customer-specific specifications.
アプリケーション
Aluminum angle bars are among the most versatile structural components, finding use across virtually every industry:
Construction & Architecture
- Window and door framing
- Architectural molding and trim
- Wall panel framing and curtain walls
- Ceiling runners and soffit framing
- Corner guards and edge protection
- Column framing and bulkheads
Transportation & 海洋
- Truck and trailer bed frames
- Vehicle trim and body components
- Marine railings and deck fittings
- Shipbuilding components
- Railroad car components
- Recreational vehicle and boat construction
Industrial & Manufacturing
- Structural framing and supports
- Machine frames and equipment housing
- Conveyor systems and material handling
- Pipe supports and tank fittings
- Scaffolding and temporary structures
家具 & Interior Design
- Table tops and countertop edges
- Furniture frames and shelving
- Decorative borders and trim
- Retail displays and fixtures
Electrical & エレクトロニクス
- LED lighting installations
- Electrical enclosures and panels
- Heat sink frames and supports
DIY & General Fabrication
- Brackets and supports
- Shelving and racking systems
- Craft and hobby projects
- Prototyping and custom fabrications
Comparison: Structural vs. Architectural Aluminum Angles
| 特徴 | Structural Angle (6061-T6) | Architectural Angle (6063-T5/T6) |
|---|---|---|
| Primary Alloy | 6061 | 6063 |
| Corner Design | Rounded inside corner, sharp outside | Sharp 90° inside and outside |
| Leg Profile | Tapered on outside | Consistent thickness |
| Strength | Higher (tensile ~45,000 psi) | Moderate (about half the strength of 6061) |
| Surface Quality | 標準 | Extremely smooth, ideal for anodizing |
| Primary Use | Load-bearing structures | Appearance-critical applications |
| アプリケーション | Truck beds, marine, heavy framing | Window frames, trim, 家具 |
機械的性質 (Reference Values)
| 合金 | 気性 | 抗張力 (MPa) | 降伏強さ (MPa) | 伸長 (%) |
|---|---|---|---|---|
| 6061 | T6 | ≥ 310 | ≥ 240 | ≥ 10 |
| 6063 | T5 | ≥ 160 | ≥ 110 | ≥ 8 |
| 6063 | T6 | ≥ 205 | ≥ 170 | ≥ 8 |
| 6082 | T6 | ≥ 290 | ≥ 250 | ≥ 6 |
| 5083 | ○ | ≥ 290 | ≥ 145 | ≥ 17 |
化学組成 (Reference)
| 要素 | 6061 (%) | 6063 (%) | 6082 (%) |
|---|---|---|---|
| シリコン (と) | 0.40 – 0.80 | 0.20 – 0.60 | 0.70 – 1.30 |
| 鉄 (鉄) | ≤ 0.70 | ≤ 0.35 | ≤ 0.50 |
| 銅 (銅) | 0.15 – 0.40 | ≤ 0.10 | ≤ 0.10 |
| マンガン (ん) | ≤ 0.15 | ≤ 0.10 | 0.40 – 1.00 |
| マグネシウム (マグネシウム) | 0.80 – 1.20 | 0.45 – 0.90 | 0.60 – 1.20 |
| クロム (Cr) | 0.04 – 0.35 | ≤ 0.10 | ≤ 0.25 |
| 亜鉛 (亜鉛) | ≤ 0.25 | ≤ 0.10 | ≤ 0.20 |
| チタン (の) | ≤ 0.15 | ≤ 0.10 | ≤ 0.10 |
| アルミニウム (アル) | Remainder | Remainder | Remainder |
Quality Assurance & Certifications
Qida Metal is an ISO 9001-certified aluminum manufacturer. Each batch is supplied with:
- Mill Test Certificates (MTC) fully traceable to the original aluminum billet lot
- Third-party inspection available upon request (SGS, BV, CE, 等)
- Strict quality control ensuring no surface defects – oil stains, scratches, or corrosion
- Compliance with ASTM, 彼, から, で, GB standards
- Free samples available for quality testing
Processing Capabilities
Qida Metal offers comprehensive in-house processing services:
- Cutting – Precision saw cutting to custom lengths
- CNC Machining – Drilling, milling, tapping, and complex profile machining
- パンチング & Drilling – Custom hole patterns and mounting points
- 曲げ & 形にする – Custom angles and shapes
- 溶接 – TIG and MIG welding capabilities
- Surface Finishing – Anodizing, powder coating, electrophoretic coating, brushing
Packaging & 運送
Professional packaging to ensure product integrity during transit:
- Inner layer: PE film protection for each profile
- Middle layer: Shrinkable waterproof plastic film bundling
- Outer layer: Sturdy wooden cases or fumigated wooden pallets
- Custom packaging available upon request
Shipping Ports: Qingdao, Tianjin, Shanghai
Why Choose Qida Metal?
- Factory Direct Pricing – Competitive wholesale prices with no middlemen
- Extensive Alloy Selection – 6061, 6063, 6082, 5083, 6005, and more
- Custom Sizes Available – Cut to your exact specifications
- Multiple Surface Finishes – Anodized, powder coated, mill finish, and more
- In-House Processing – Cutting, CNC, punching, 曲げ, 溶接
- Fast Delivery – Standard orders delivered promptly
- Flexible MOQ – Low minimum order quantities accepted
- Global Export Experience – Serving North America, Europe, Middle East, Southeast Asia, and beyond
- One-Stop Service – Full range of aluminum, stainless steel, and copper products
- Factory Visits Welcome – Visit our facility anytime
見積もりを取得
Ready to order aluminum angle bars for your next project? Contact us today for a competitive quote!
📧 Eメール: sales@qidamt.com
🌐 Website: www.qidamt.com
Get a competitive quote for your aluminum angle bar order now – factory direct, quality guaranteed.
