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

製品概要

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, そして表面仕上げ. 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.

主な特長 & 利点

1. Exceptional Strength-to-Weight Ratio

Aluminum angle bars offer approximately 鉄の3分の1の重さ 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. 優れた成形性 & 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 ミル仕上げ, 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 & 長寿命

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, トリム, 家具
6082	6082-T6	T6, ○	Structural – high-strength applications
5083	5083-○	○, H112	Marine – shipbuilding, オフショア
6005	6005-T5, 6005-T6	T5, T6	General structural
6060	6060-T5, 6060-T66	T5, T66	General purpose, decorative anodizing

Available Size Range

パラメータ	範囲
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	最適な用途
ミル仕上げ	Natural aluminum surface	Cost-effective, further processing
Anodized	Electrochemical oxidation (10-30 micron)	Enhanced durability, 装飾用途
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:

工事 & 建築

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

産業用 & 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

電気 & 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
強さ	より高い (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	トラックの荷台, 海洋, heavy framing	Window frames, トリム, 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, フライス加工, 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

包装 & 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: 青島, 天津, 上海

Why Choose Qida Metal?

Factory Direct Pricing – Competitive wholesale prices with no middlemen
Extensive Alloy Selection – 6061, 6063, 6082, 5083, 6005, などなど
Custom Sizes Available – Cut to your exact specifications
Multiple Surface Finishes – Anodized, powder coated, ミル仕上げ, などなど
In-House Processing – Cutting, CNC, パンチング, 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, ステンレス鋼, and copper products
Factory Visits Welcome – Visit our facility anytime