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How to choose industrial aluminum profiles, and what are the aluminum alloy models?

In the fields of industrial automation, machinery and equipment manufacturing, architectural decoration and other fields, aluminum profiles have become the core material for structural construction due to their advantages of light weight, high strength, easy processing, and corrosion resistance. However, faced with the dazzling array of products on the market, many buyers often fall into confusion in selection. In fact, as long as they grasp a few core dimensions, they can choose products that are both cost-effective and practical.

Wall Thickness & Load-Bearing: The First Core Element

The first core element in aluminum profile selection is the matching of wall thickness and load-bearing. At present, the industry usually divides aluminum profiles into three levels according to wall thickness:

L
Light-Duty
Wall Thickness: 1.5mm – 2.0mm
Series: 10, 20, 30, 4040 (conventional)
Suitable For: Equipment protective covers, assembly line workbench frames & light-load scenarios

M
Medium-Duty
Wall Thickness: 2.0mm – 3.0mm
Series: 50, 60, 4080, 40120
Suitable For: Most mechanical structures & automation equipment racks

H
Heavy-Duty
Wall Thickness: ≥3.0mm
Series: 80, 90, 100
Suitable For: Heavy-load equipment, large frames & high structural strength demands

Matching wall thickness according to actual needs can not only avoid performance waste, but also control procurement costs.

Aluminum Alloy Models: Matching to Usage Scenarios

In addition to wall thickness, the selection of aluminum alloy models also needs to be combined with the usage scenario:

6063
T5
6063-T5 — Standard Versatile Profile
Low extrusion molding difficulty and controllable processing costs. Suitable for most ordinary structural scenarios as the most commonly used conventional aluminum profile.
6061
T6
6061-T6 — High-Strength Profile
Excellent vibration resistance, suitable for mechanical equipment that needs to withstand dynamic loads.
6082
T6
6082-T6 — Heat & Corrosion Resistant
More outstanding in heat resistance and corrosion resistance, suitable for special environments such as ships and outdoor structures.

Surface Treatment: Choosing by Environment

INDOOR
Anodizing Treatment
Balances wear resistance and corrosion resistance with relatively controllable cost.
HUMID
Powder Spraying
Recommended for humid or moderately corrosive environments.
CORROSIVE
Electrophoresis Treatment
For highly corrosive environments — better acid, alkali & weather resistance.
OUTDOOR
Fluorocarbon Spraying
Preferred for outdoor heavy pollution scenes — achieves long-term protection.

Trusted Source Manufacturer
Chengdu Zhuanchuang Aluminum

As a source manufacturer that has been deeply involved in the industry for more than ten years, Chengdu Zhuanchuang Aluminum covers hundreds of specifications and models of aluminum profiles, equipped with more than a thousand complete accessories, and supports one-stop procurement of profile wholesale and finished frame customization. The professional team can provide full-process support from design to production to meet the differentiated needs of different industries.


Post time: Jun-01-2026