E. Toman & Company

ZINC ALLOY SELECTOR

Intricate or long cast-in holes?
How about ready to use cast-on threads?

We can do it all and cut your
machining requirements to a minimum.


Let E. Toman & Company help you choose one of
these five zinc alloys for your next project.
ALLOY

#3
#5
#7
#2
ZA-8
Mechanical Properties
Die Cast
Die Cast
Die Cast
Die Cast
Die Cast
Ultimate Tensile Strength
(psi X 103)
41
48
41
52
54
Yield Strength
0.2% Offset
(psi X 103)
-
-
-
-
42
Elongation
(% in 2”)
10
7
13
7
6-10
Shear Strength
(psi X 103)
31
38
31
46
-
Hardness
(Brinell)
82
91
80
100
95-110
Impact Strength
(ft-lb)
432
482
432
352
313
Fatigue Strength
Rotary Bend
6.9
8.2
6.8
8.5
-
Comprehensive
Yield Strength
0.1% Offset
604
874
604
934
-

Most commonly used zinc alloy
Added 1% copper. Stronger harder than #3
Higher ductility. Improved surface finish
3% copper hardness of ZA-8 at lower cost
High aluminum content, more expensive

For more information on Physical Properties, Chemical Specifications, and / or Industry Standards, please contact us by phone at 708-447-3501, by E-Mail at contact@TomanDieCast.com, or by filling out our Inquires Form.