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29 July 2010 16:23 PDT
"Internet
Content Rating Association," "ICRA" and the ICRA logo are
registered as trademarks in the UK and USA.
SafeSurf Wave™, SafeSurfing™, Kid's Wave™, Internet Lifeguard™ & S.E.R.F.™ are
trademarks of SafeSurf®
Zamak
Alloy
Properties
Mechanical Properties
Zamak 2
Zamak 3
Zamak 5
Zamak 7
Zamak 8
Die Cast
Aged
Die Cast
Aged
Die Cast
Aged
Die Cast
Aged
Die Cast
Aged
Ultimate Tonsife Strength
(psi x 10)
52
48
41
35
48
39
41
35
54
43
Yield Strength 0.2% Offset
(psi x 10)
---
---
---
---
---
---
---
---
42
32
Elongation (% Within 2")
7
2
10
16
7
13
13
18
6-10
20
Shear Strength (psi x 10)
46
---
31
---
38
---
31
---
---
---
Hardness (Brinell)
100
98
82
72
91
80
80
67
95 - 110
91
Impact Strength (ft - lb)
352
52
432
412
482
40 2
432
412
312
132
Fatigue Strength Rotary Bend
(psi x 10) (5 x 108 cycles)
8.5
---
6.9
---
8.2
---
6.8
---
---
---
Fatigue Strength Compressive Yield
Strength 0.1% Offset (psi x 103 )
934
---
604
---
8.74
---
604
---
---
---
Chemical Properties &
Physical Properties
Zamak 2
Zamak 3
Zamak 5
Zamak 7
Zamak 8
Copper
2.5 to 3.5
.25 max
.75 to 1.25
0.10
.8 to 1.3
Aluminum
3.5 to 4.5
3.5 to 4.3
3.5 to 4.3
3.5 to 4.3
8 to 8.8
Magnesium
.02 to .10
.020 to .05
.03 to .08
.01 to .02
.015 to .03
Iron max
.10
.10
.10
---
.10
Lead Max
.007
.005
.005
.002
.004
Cadmium max
.005
.003
.003
.001
.002
Tin max
.005
.003
.003
.001
.002
Nickel
---
---
---
.005 - .020
---
Zinc
Remainder
Remainder
Remainder
Remainder
Remainder
Density (lb/cu in)
.24
.24
.24
.24
.24
Melting Range (°F)
715 - 734
719 - 728
717 - 727
718 - 728
707 - 759
Electrical Conductivity
(% IACS)
25
27
25
27
27.7
Thermal Conductivity
(BTU / ft-hr2 )
60.5
65.3
62.9
65.3
65.3
Coef. of Thermal Expansion
(68 - 212F) (u in / in F)
15.4
15.2
15.2
15.2
12.9
Specific H at (BTU / lb F)
.10
.10
.10
.10
.10
Pattern or Shrinkage
.006 in / in
.006 in / in
.006 in / in
.006 in / in
1/8 in / ft
All data on this page represents approximates and are not
absolute. Data will vary according to alloys and from lot to lot and may
even vary slightly according to the varying testing methods.