Desidnation

NO.2(%)

NO.3(%)

NO.4(%)

NO.5(%)

NO.7(%)

ZA-8(%)

ZA-12(%)

ZA-27(%)

Al

3.9-4.3

3.9-4.3

3.9-4.3

3.9-4.3

3.9-4.3

8.2-8.8

10.8-11.5

25.8-28.0

Mg

0.025-0.05

0.025-0.05

0.025-0.05

0.03-0.06

0.01-0.020

0.020-0.030

0.020-0.030

0.012-0.020

Cu

2.6-2.9

0.10max

0.3-0.4

0.75-1.25

0.10max

0.8-1.3

0.5-1.2

2.0-2.5

Pb

0.003max

0.003max

0.003max

0.003max

0.002max

0.005max

0.005max

0.005max

Cd

0.003max

0.003max

0.003max

0.003max

0.002max

0.005max

0.005max

0.005max

Tin

0.002max

0.002max

0.002max

0.002max

0.001max

0.002max

0.002max

0.002max

Fe

0.075max

0.075max

0.075max

0.075max

0.075max

0.065max

0.065max

0.072max

Ni

—

—

—

—

0.005-0.02

—

—

—

Zn

balance

balance

balance

balance

balance

balance

balance

balance