Product Overview

An Anodized Aluminum Angle is an L-shaped extruded aluminum profile with an anodized oxide layer for corrosion resistance.

Technical Specifications

Category	Technical Parameter	Specification	Tolerance
Material & Chemistry	Alloy Grade	6063	ASTM B221
	Temper	T5	ASTM B221
	Chemical Composition	Al (Bal.), Mg (0.45–0.9%), Si (0.2–0.6%), Fe (≤0.35%)	ASTM B221 limits
Geometric & Dimensions	Leg Length (A×B)	50×50 mm / 50×30 mm	±0.30–0.50 mm
	Wall Thickness	3.0 mm	±0.20–0.25 mm
	Length	3000 / 6000 mm, custom available	+6 / −0 mm
	Inside Radius	2.0–4.0 mm	±0.5 mm
	Straightness	≤1.3 mm/m	Max deviation
	Twist	≤0.5°/m, total ≤3°	Max limit
	Squareness	90°	±1.5°
Anodizing Process	Coating Thickness	AA15	≥15 μm (local ≥12 μm)
	Sealing Quality	ISO 3210 mass loss test	<30 mg/dm²
	Surface Gloss	Satin / Matte	±5 GU
	Color	Clear / Black / Bronze	Approved sample match
Mechanical Properties	Tensile Strength	≥150 MPa	Minimum
	Yield Strength	≥110 MPa	Minimum
	Elongation	≥7%	Minimum
	Hardness	≥8 HW	±1 HW
Quality & Compliance	Surface Condition	No visible defects at 3 m	Visual inspection
Quality & Compliance	Standards	ASTM B221 / EN 755 / Qualanod / RoHS	Applicable standards

Custom Manufacturing Options

Custom Dimensional Extrusion
Custom wall thicknesses and asymmetrical leg lengths produced via custom equal or unequal angle tooling.

Post-Extrusion Fabricating
Precision inline punching, multi-angle mitre cutting, and custom countersunk hole drilling per project schematics.

Sealing Method Classification
Application of cold nickel-fluoride sealing or high-temperature hydrothermal sealing options to ensure long-term corrosion resistance.

Color & Finish Palette
Available in clear, black, bronze, and gold with satin, brushed, or polished surface treatments.

Engineering & Manufacturing

Extrusion Press Capacity
Extrusion presses of different tonnage are used for various profile sizes and cross-sections.

Automated Anodizing Lines
Programmable PLC-controlled gantry systems monitor immersion timing for consistent electrochemical oxide layer formation.

Multi-Axis CNC Machinery
Post-extrusion machining is performed on CNC centers for cutting, drilling, and milling based on drawings.

International Tolerance Adherence
Manufacturing parameters strictly comply with dimensional tolerances specified by ASTM B221 and EN 755-9.

Compliance & Quality Control

Compliance

Control Category	Inspection & Compliance	Method / Standard
Management System	System certified by Bureau Veritas / SGS audit	ISO 9001 Quality Management
Film Thickness	Oxide layer thickness	Eddy-current measurement (ISO 2360)
Coating Weight	Coating mass	Gravimetric test (ISO 2106)
Environmental Compliance	RoHS / REACH compliance	Checked against regulatory requirements
Traceability	Batch traceability	MTR linked to heat number record
Adhesion Quality	Coating adhesion	Cross-hatch test (ASTM D3359)

Quality Control

Oxide Layer Depth Checks
Eddy-current testing for oxide layer consistency and coating stability.

High-Temperature Seal Testing
Mass loss ≤30 mg/dm² (ISO 3210) confirming sealing performance.

Color Match Monitoring
Color deviation controlled within ΔE ≤ 1.0 between production batches.

Strict Squareness Inspection
Angular tolerance maintained at ±1.5° from 90° standard.

Industrial Applications

Sector / Field	Specific Application
Architectural Construction	Curtain wall and window frame corners
Interior Decoration	Wall panel edging and tile transition trim
Solar & Energy	Photovoltaic mounting systems and frames
Industrial Engineering	Equipment enclosures and safety guarding
Marine & Transport	Cabin structures and vehicle trim components
Display & Retail	Exhibition structures and signage frames

FAQ

Q: How do you protect the sharp 90-degree outer corners from denting during sea freight?

A: Profiles are separated with foam, packed in reinforced wooden crates, and protected with corner guards.

Q: What is the minimum order quantity (MOQ) if we require a custom unequal-leg size?

A: A new extrusion die is required. MOQ is typically 500 kg per specification.

Q: Can you provide Mill Test Reports and Qualanod certification documents with the shipping container?

A: Yes. Mill Test Reports, chemical and mechanical test data, and anodizing certificates are provided digitally and included in shipment documents.

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