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

Panoramica del prodotto

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 E unequal leg variations, aluminum angle bars are one of the most widely used structural components in construction, produzione, and fabrication industries worldwide.

Come a professional aluminum angle bar manufacturer and supplier in China, Qida Metal offers a comprehensive range of extruded aluminum L-profiles in multiple alloys, temperamenti, e finiture superficiali. Our products are engineered to deliver the optimal balance of lightweight design, resistenza alla corrosione, E structural integrity for applications ranging from architectural trim to heavy-duty industrial framing.

Caratteristiche principali & Vantaggi

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. Resistenza alla corrosione superiore

Aluminum naturally forms a protective oxide layer, delivering outstanding resistance to weathering, umidità, 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 finitura al mulino, anodizzato, powder coated, electrophoretic coated, E brushed metal. Anodized finishes enhance both durability and aesthetic appeal, making aluminum angles suitable for exposed architectural applications.

5. 100% Riciclabile & 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.

Product Specifications

Available Alloys & Temperi

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

Available Size Range

Parametro	Allineare
Leg A	10mm – 200mm
Leg B	10mm – 200mm
Spessore (T)	2mm – 15mm
Lunghezza	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	Descrizione	Ideale per
Finitura del mulino	Natural aluminum surface	Cost-effective, further processing
Anodizzato	Electrochemical oxidation (10-30 micron)	Enhanced durability, applicazioni decorative
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	Decorative, 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, IN 754, IN 755, così come ISO, DA, LUI. We can also supply to customer-specific specifications.

Applicazioni

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

Costruzione & Architettura

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

Trasporti & Marino

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

Industriale & Manufacturing

Structural framing and supports
Machine frames and equipment housing
Conveyor systems and material handling
Pipe supports and tank fittings
Scaffolding and temporary structures

Mobilia & Interior Design

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

Elettrico & Elettronica

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

Caratteristica	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
Forza	Più alto (tensile ~45,000 psi)	Moderate (about half the strength of 6061)
Surface Quality	Standard	Extremely smooth, ideal for anodizing
Primary Use	Load-bearing structures	Appearance-critical applications
Applicazioni	Truck beds, marino, heavy framing	Window frames, trim, mobilia

Proprietà meccaniche (Valori di riferimento)

Lega	Temperare	Resistenza alla trazione (MPa)	Forza di snervamento (MPa)	Allungamento (%)
6061	T6	≥ 310	≥ 240	≥ 10
6063	T5	≥ 160	≥ 110	≥ 8
6063	T6	≥ 205	≥ 170	≥ 8
6082	T6	≥ 290	≥ 250	≥ 6
5083	O	≥ 290	≥ 145	≥ 17

Composizione chimica (Reference)

Elemento	6061 (%)	6063 (%)	6082 (%)
Silicio (E)	0.40 – 0.80	0.20 – 0.60	0.70 – 1.30
Ferro (Fe)	≤ 0.70	≤ 0.35	≤ 0.50
Rame (Cu)	0.15 – 0.40	≤ 0.10	≤ 0.10
Manganese (Mn)	≤ 0.15	≤ 0.10	0.40 – 1.00
Magnesio (Mg)	0.80 – 1.20	0.45 – 0.90	0.60 – 1.20
Cromo (Cr)	0.04 – 0.35	≤ 0.10	≤ 0.25
Zinco (Zn)	≤ 0.25	≤ 0.10	≤ 0.20
Titanio (Di)	≤ 0.15	≤ 0.10	≤ 0.10
Alluminio (Al)	Resto	Resto	Resto

Garanzia di qualità & Certificazioni

Qida Metal è un Certificato ISO 9001 produttore di alluminio. Ogni lotto viene fornito con:

Certificati di prova del mulino (MTC) fully traceable to the original aluminum billet lot
Ispezione di terze parti disponibile su richiesta (SGS, BV, CE, eccetera.)
Garantire un rigoroso controllo di qualità no surface defects – oil stains, graffi, o corrosione
Compliance with ASTM, LUI, DA, IN, GB standards
Campioni gratuiti disponibile per test di qualità

Processing Capabilities

Qida Metal offers comprehensive in-house processing services:

Taglio – Precision saw cutting to custom lengths
CNC Machining – Drilling, fresatura, tapping, and complex profile machining
Punching & Perforazione – Custom hole patterns and mounting points
Piegatura & Formare – Custom angles and shapes
Saldatura – TIG and MIG welding capabilities
Surface Finishing – Anodizing, powder coating, electrophoretic coating, spazzolatura

Confezione & Spedizione

Professional packaging to ensure product integrity during transit:

Strato interno: PE film protection for each profile
Strato intermedio: Shrinkable waterproof plastic film bundling
Strato esterno: Casse di legno robuste o pallet di legno fumigati
Custom packaging disponibile su richiesta

Shipping Ports: Qingdao, Tientsin, Shangai

Perché scegliere Qida Metal?

Prezzi diretti in fabbrica – Prezzi all’ingrosso competitivi senza intermediari
Extensive Alloy Selection – 6061, 6063, 6082, 5083, 6005, e altro ancora
Dimensioni personalizzate disponibili – Taglia secondo le tue esatte specifiche
Multiple Surface Finishes – Anodized, powder coated, finitura al mulino, e altro ancora
In-House Processing – Cutting, CNC, punching, flessione, saldatura
Consegna veloce – Standard orders delivered promptly
MOQ flessibile – Low minimum order quantities accepted
Esperienza di esportazione globale – Servire il Nord America, Europa, Medio Oriente, Sud-est asiatico, e oltre
Servizio unico – Full range of aluminum, acciaio inossidabile, and copper products
Visite in fabbrica benvenute – Visita la nostra struttura in qualsiasi momento