Brief introduction of deformed Aluminum alloy
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Brief introduction of deformed Aluminum alloy

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Brief introduction of deformed Aluminum alloy




1.1 Classification of deformed aluminum alloy


Aluminum alloy root its chemical composition of the production process characteristics of different, can be divided into casting aluminum alloy and deformation aluminum alloy.  
Deformed aluminum alloy has high strength and good plasticity, can be molded by pressure processing, manufacturing of various materials and semi-finished products.  

Classification of deformed aluminum alloy,  

According to the characteristics of heat treatment, the alloy can be divided into heat treatment can be strengthened alloy and heat treatment can not be strengthened alloy.  

Heat treatment non-strengthening alloys - alloys that cannot be strengthened by heat treatment.  

Alloys that can be strengthened by heat treatment - alloys whose mechanical strength can be improved by heat treatment (quenching, aging).  

According to the chemical composition of the alloy, the deformed aluminum alloy can be divided into different alloy systems  

G roup

Series

Pure aluminum (aluminum content not less than 99)

1XXX

Aluminum alloy with copper as the main alloying element

2XXX

Aluminum alloy with manganese as the main alloying element

3XXX

Aluminum alloy with silicon as the main alloying element

4XXX

Aluminum alloy with magnesium as the main alloying element

5XXX

Aluminum alloy with magnesium and silicon as main alloying elements and Mg2Si phase

6XXX

Aluminum alloy with zinc as the main alloying element

7XXX

Aluminum alloys with other alloying elements as major alloying elements

8XXX

Spare alloy set

9XXX



1.2 State and code of deformed aluminum alloy

Base status code and name

code

name

F

Free working condition

0

Complete annealing state

H

Work hardening condition

W

Solution treatment status

T


Heat treatment state (different from F, 0, H state)





Subdivision status code


1.2.1 subdivision state of H


The first number after H indicates the basic handler to obtain the state.  
H1一一一Pure work hardening

H2一一Work hardening and incomplete annealing state

H3一一Work hardening and stabilization treatment

H4一一一Work hardening and paint treatment status

The second number after H indicates the degree of work hardening of the product.


1.2.2 subdivision state of T

T is followed by the first digit of 0-10, which represents the basic processing process of the product. Such as,  

T4一一一After solution treatment, natural aging reaches basically stable state.  Suitable for solution treatment, no longer cold processing (can be straightened, levelled, but does not affect the limit of mechanical properties) of the product.  

T5一一It is cooled by a high temperature molding process and then subjected to artificial aging.  It is suitable for artificial aging products after cooling by high temperature molding process without cold processing (can be straightened, levelled, but does not affect mechanical properties limit).  

T6一一The condition of artificial aging after solution treatment.  Suitable for solution treatment, no longer cold processing   (can be straightened, levelled, but does not affect mechanical properties limit).  




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