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 그리고 unequal leg variations, aluminum angle bars are one of the most widely used structural components in construction, manufacturing, 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, 및 표면 마감. Our products are engineered to deliver the optimal balance of lightweight design, 내식성, 그리고 structural integrity for applications ranging from architectural trim to heavy-duty industrial framing.

Key Features & Advantages

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, 수분, 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 밀 마무리, 양극산화처리된, powder coated, electrophoretic coated, 그리고 brushed metal. Anodized finishes enhance both durability and aesthetic appeal, making aluminum angles suitable for exposed architectural applications.

5. 100% 재활용 가능 & 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.

제품사양

Available Alloys & 성미

Alloy Series	Common Alloys	Available Tempers	Primary Application
6061	6061-T6	T6, 영형, T4, T5	Structural – heavy-duty framing, truck beds, marine components
6063	6063-T5, 6063-T6	T5, T6, T52	Architectural – window/door framing, trim, 가구
6082	6082-T6	T6, 영형	Structural – high-strength applications
5083	5083-영형	영형, 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

매개변수	범위
Leg A	10mm – 200mm
Leg B	10mm – 200mm
두께 (T)	2mm – 15mm
길이	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	설명	최고의 대상
밀 마감	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	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, 안에 754, 안에 755, as well as ISO, 에서, 그. We can also supply to customer-specific specifications.

응용

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

건설 & 건축학

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 & 선박

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

산업용 & Manufacturing

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

가구 & Interior Design

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

전기 같은 & 전자제품

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

특징	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
힘	더 높은 (tensile ~45,000 psi)	Moderate (about half the strength of 6061)
Surface Quality	기준	Extremely smooth, ideal for anodizing
Primary Use	Load-bearing structures	Appearance-critical applications
응용	Truck beds, 선박, heavy framing	Window frames, trim, 가구

기계적 성질 (Reference Values)

합금	성질	인장강도 (MPa)	항복 강도 (MPa)	연장 (%)
6061	T6	≥ 310	≥ 240	≥ 10
6063	T5	≥ 160	≥ 110	≥ 8
6063	T6	≥ 205	≥ 170	≥ 8
6082	T6	≥ 290	≥ 250	≥ 6
5083	영형	≥ 290	≥ 145	≥ 17

화학적 구성 요소 (Reference)

요소	6061 (%)	6063 (%)	6082 (%)
규소 (그리고)	0.40 – 0.80	0.20 – 0.60	0.70 – 1.30
철 (철)	≤ 0.70	≤ 0.35	≤ 0.50
구리 (구리)	0.15 – 0.40	≤ 0.10	≤ 0.10
망간 (망)	≤ 0.15	≤ 0.10	0.40 – 1.00
마그네슘 (마그네슘)	0.80 – 1.20	0.45 – 0.90	0.60 – 1.20
크롬 (Cr)	0.04 – 0.35	≤ 0.10	≤ 0.25
아연 (아연)	≤ 0.25	≤ 0.10	≤ 0.20
티탄 (의)	≤ 0.15	≤ 0.10	≤ 0.10
알류미늄 (알)	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, 등.)
Strict quality control ensuring no surface defects – oil stains, scratches, or corrosion
Compliance with ASTM, 그, 에서, 안에, 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, 갈기, tapping, and complex profile machining
펀칭 & Drilling – Custom hole patterns and mounting points
벤딩 & 형성 – Custom angles and shapes
용접 – TIG and MIG welding capabilities
Surface Finishing – Anodizing, powder coating, electrophoretic coating, brushing

포장 & 배송

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, 그리고 더
Custom Sizes Available – Cut to your exact specifications
Multiple Surface Finishes – Anodized, powder coated, 밀 마무리, 그리고 더
In-House Processing – Cutting, CNC, punching, 굽힘, 용접
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, 스테인레스 스틸, and copper products
Factory Visits Welcome – Visit our facility anytime