压铸锌铝化学规范

ALLOY

Zamak 3

Zamak 7

ZA-8

ZA-12

ZA-27

A 360

A 380

A 383

Al

3.9-4.3

3.9-4.3

8-8.3

10.5-11.5

25-28

Balance

Balance

Balance

Mg

.02-.05

.01-.02

.015-.030

.015-.030

.010-.020

0.6

0.1

0.1

Cu

0.1

.75-1.25

.8-1.3

.5-1.25

2-2.5

.4 Max

3-4

3-4

Fe

0.075

0.05

0.075

0.075

0.075

2 Max

2 Max

1.3 Max

Ni

-

.005-020

-

-

-

0.5

0.5

0.3

Cd

0.003

0.002

0.003

0.003

0.003

-

-

-

Si

0.003

0.003

.003>

0.003

0.003

9-10

7.5-9.5

10.5-12

Mn

-

-

-

-

-

0.35

.5 Max

.5 Max

Pb

0.004

0.002

0.004

0.004

0.004

-

-

-

Zn

Balance

Balance

Balance

Balance

Balance

.5 Max

3 Max

3 Max