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The basic knowledge of aluminum casting ingots (A)
Nov 17, 2017

The basic knowledge of aluminum casting ingots (A)

 

1,

Aluminum and aluminum alloy profile

 

General characteristics of pure aluminum

Aluminum is the main periodic element of the third cycle of the periodic table, with a face-centered cubic lattice, no allotropic transformation.

Aluminum density of 2.72g / cm3, about 1/3 of iron, so the density of aluminum-based alloys are also relatively small, usually 2.5 ~ 2.88g / cm3; but high strength, compared with alloy steel.

The melting point of aluminum is related to the purity and increases with the purity of aluminum. When the purity is 99.996%, the melting point is 660.24 ℃.

Aluminum has excellent conductivity, thermal conductivity, its conductivity is second only to silver and copper, according to the third place.

 

2,

Foreign standards and Institute, Association standard code

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Domestic use of more aluminum grades listed

 

(1)Japanese JIS standard

ADC12 ADC10 AC2B AC4B AC4CH

 

(2) China GB standards

ZL102 ZL104 YL112 YL113 ZL101A

 

(3) American ASTM standard

A380 A383 A356.2

 

(4) European EN standards

EN AC-46100 EN AC-43000

 

(5) German standards

AISI9CU3 ALSI12FE ALSI12CU (1) FE

 

 


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