High-Quality Aluminum Angle Bar – Structural & Architectural L-Shaped Profiles

Descripción general del producto

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 y unequal leg variations, aluminum angle bars are one of the most widely used structural components in construction, fabricación, 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, y acabados superficiales. Our products are engineered to deliver the optimal balance of lightweight design, resistencia a la corrosión, y structural integrity for applications ranging from architectural trim to heavy-duty industrial framing.

Características clave & Ventajas

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, humedad, 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 acabado de molino, anodizado, powder coated, electrophoretic coated, y brushed metal. Anodized finishes enhance both durability and aesthetic appeal, making aluminum angles suitable for exposed architectural applications.

5. 100% Reciclable & 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. Bajo mantenimiento & Larga vida útil

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.

Product Specifications

Available Alloys & temperamentos

Alloy Series	Common Alloys	Available Tempers	Primary Application
6061	6061-T6	T6, oh, T4, T5	Structural – heavy-duty framing, truck beds, marine components
6063	6063-T5, 6063-T6	T5, T6, T52	Architectural – window/door framing, trim, muebles
6082	6082-T6	T6, oh	Structural – high-strength applications
5083	5083-oh	oh, H112	Marine – shipbuilding, costa afuera
6005	6005-T5, 6005-T6	T5, T6	General structural
6060	6060-T5, 6060-T66	T5, T66	General purpose, decorative anodizing

Available Size Range

Parámetro	Rango
Leg A	10mm – 200mm
Leg B	10mm – 200mm
Espesor (t)	2mm – 15mm
Longitud	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	Descripción	Mejor para
Acabado del molino	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	Decorativo, modern aesthetic
PVDF Coating	High-performance fluoropolymer	Extreme weather resistance

Applicable Standards

Our aluminum angle bars comply with major international standards including GB/T 6892, ASTM B221, EN 754, EN 755, as well as YO ASI, DE, ÉL. We can also supply to customer-specific specifications.

Aplicaciones

Aluminum angle bars are among the most versatile structural components, finding use across virtually every industry:

Construcción & Arquitectura

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 & Marina

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

Muebles & Interior Design

Table tops and countertop edges
Furniture frames and shelving
Decorative borders and trim
Retail displays and fixtures

Eléctrico & Electrónica

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

Característica	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
Fortaleza	Más alto (tensile ~45,000 psi)	Moderate (about half the strength of 6061)
Surface Quality	Estándar	Extremely smooth, ideal for anodizing
Primary Use	Load-bearing structures	Appearance-critical applications
Aplicaciones	Cajas de camiones, marina, heavy framing	Window frames, trim, muebles

Propiedades mecánicas (Reference Values)

Aleación	Temperamento	Resistencia a la tracción (MPa)	Fuerza de producción (MPa)	Alargamiento (%)
6061	T6	≥ 310	≥ 240	≥ 10
6063	T5	≥ 160	≥ 110	≥ 8
6063	T6	≥ 205	≥ 170	≥ 8
6082	T6	≥ 290	≥ 250	≥ 6
5083	oh	≥ 290	≥ 145	≥ 17

Composición química (Reference)

Elemento	6061 (%)	6063 (%)	6082 (%)
Silicio (Y)	0.40 – 0.80	0.20 – 0.60	0.70 – 1.30
Hierro (fe)	≤ 0.70	≤ 0.35	≤ 0.50
Cobre (Cu)	0.15 – 0.40	≤ 0.10	≤ 0.10
Manganeso (Minnesota)	≤ 0.15	≤ 0.10	0.40 – 1.00
Magnesio (magnesio)	0.80 – 1.20	0.45 – 0.90	0.60 – 1.20
Cromo (cr)	0.04 – 0.35	≤ 0.10	≤ 0.25
Zinc (zinc)	≤ 0.25	≤ 0.10	≤ 0.20
Titanium (De)	≤ 0.15	≤ 0.10	≤ 0.10
Aluminio (Alabama)	Remainder	Remainder	Remainder

Seguro de calidad & Certificaciones

Qida Metal is an ISO 9001-certified aluminum manufacturer. Cada lote se suministra con:

Certificados de prueba de molino (MTC) fully traceable to the original aluminum billet lot
Inspección de terceros disponible bajo petición (SGS, VB, CE, etc.)
Estricto control de calidad que garantiza no surface defects – oil stains, rayones, o corrosión
Compliance with ASTM, ÉL, DE, EN, ES standards
Muestras gratis disponible para pruebas de calidad

Capacidades de procesamiento

Qida Metal offers comprehensive in-house processing services:

Corte – Precision saw cutting to custom lengths
CNC Machining – Drilling, molienda, tapping, and complex profile machining
Puñetazos & Perforación – Custom hole patterns and mounting points
Doblar & formando – Custom angles and shapes
Soldadura – TIG and MIG welding capabilities
Surface Finishing – Anodizing, powder coating, electrophoretic coating, brushing

embalaje & Envío

Embalaje profesional para garantizar la integridad del producto durante el tránsito:

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 disponible bajo petición

Shipping Ports: Qingdao, Tianjín, Llevar a la fuerza

¿Por qué elegir Qida Metal??

Precios directos de fábrica – Competitive wholesale prices with no middlemen
Extensive Alloy Selection – 6061, 6063, 6082, 5083, 6005, y más
Custom Sizes Available – Cut to your exact specifications
Multiple Surface Finishes – Anodized, powder coated, acabado de molino, y más
In-House Processing – Cutting, CNC, puñetazos, doblando, soldadura
Entrega rápida – Standard orders delivered promptly
Cantidad mínima de pedido flexible – 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, acero inoxidable, and copper products
Visitas a la fábrica bienvenidas – Visita nuestras instalaciones en cualquier momento