Click here for Zamak #2,#3,#5,#7             Click here for ZA-8,ZA-12,ZA-27

Alloy
#2
#3
#5
#7
Mechanical Properties
Die Cast
Die Cast
Die Cast
Die Cast
Ultimate Tensile Strength:
psi x 103 (MPa)
52
(359)
41
(283)
48(328)
41
(283)
Yield Strength -
0.2% Offset:
psi x 103 (MPa)
-
32
(221)
33
(228)
32
(221)
Elongation: % in 2"
7
10
7
13
Shear Strength:
psi x 103 (MPa)
46
(317)
31
(214)
38
(262)
31
(214)
Hardness: Brinell
100
82
91
80
Impact Strength: ft-lb (J)
352
(48)
432
(58)
482
(65)
432
(58)
Fatigue Strength Rotary
Bend - 5 x 108 cycles
psi x 103 (MPa)
8.5
(59)
6.9
(48)
8.2
(57)
6.8
(47)
Comprehensive Yield
Strength - 0.1% Offset:
psi x 103 (MPa)
934
(641)
604
(414)
874
(600)
604
(414)
Modulus of Elasticity -
psi x 106 (MPa x 103)
12.46
(85.5)
12.46
(85.5)
12.46
(85.5)
12.46
(85.5)
Physical Properties
Density: lb/cu in (g/cm3)
.24
(6.6)
.24
(6.6)
.24
(6.6)
.24
(6.6)
Melting Range: ºF (ºC)
715-734
(379-390)
718-728
(381-387)
717-727
(380-386)
718-728
(381-387)
Electrical Conductivity: % IACS
25
27
26
27
Thermal Conductivity: BTU/ft/hr/ºF
(W/m/fr/ºC)
60.5
(104.7)
65.3
(113.0)
62.9
(108.9)
65.3
(113.0)
Coefficient of Thermal Expansion
68-212ºF u in ºF (100-200ºC um/mm/ºC)
15.4
(27.8)
15.2
(27.4)
15.2
(27.4)
15.2
(27.4)
Specific Heat: BTU/lb/ºF (J/kg/ºC)
.10
(419)
.10
(419)
.10
(419)
.10
(419)
Pattern or Die Shrinkage: in/in
.007
.007
.007
.007
Chemical Specifications                
(per ASTM) (% by weight)
Ingot
Casting
Ingot
Casting
Ingot
Casting
Ingot
Casting
Al
3.9
4.3
3.5
4.3
3.9
4.3
3.5
4.3
3.9
4.3
3.5
4.3
3.9
4.3
3.5
4.3
Mg
.025
.05
.020
.050
.025
.05
.020
.05
.03
.06
.03
.08
.01
.020
.005
.020
Cu
2.6
2.9
2.5
3.0
.10
(max)
.25
(max9)
.75
1.25
.75
1.25
.10
(max)
.25
(max
Fe (max)
.075
.10
.075
.10
.075
.10
.075
.075
Pb (max)
.004
.005
.004
.005
.004
.005
.0020
.003
Cd (max)
.003
.004
.003
.004
.003
.004
.0020
.002
Sn (max)
.002
.003
.002
.003
.002
.003
.0010
.001
Ni (other)10
-
-
-
-
-
-
.005
.020
.005
.020
Zn
Balance
Balance
Balance
Balance
Balance
Balance
Balance
Balance
Industry Standards
Ingot
Casting
Ingot
Casting
Ingot5
Casting
Ingot
Casting
ASTM
B240 AC43
B86
AC43A
B240
AG40A
B86 AG40A
B240
AC41A
B86
AC41A
B240 AG40B
B86
AG40B
SAE
J468B
903
J468B
903
J468B
925
J468B
925
Former
921
UNS
Z35540
Z35541
Z33521
Z33520
Z35530
Z35531
Z35531
Z33523

Click Here For Zamak #2,#3,#5,#7      Click Here For ZA-8,ZA-12,ZA-27

Alloy
ZA-8
ZA-12
ZA-27
Mechanical Properties
Sand Cast
Perm Mold
Die Cast
Sand Cast
Perm Mold
Die Cast
Sand Cast
SandCast HT1
Die Cast
Ultimate Tensile Strength:
psi x 103 (MPa)
38
(263)
32-37
(221-255)
54
(374)
40-46
(310-345)
45-50
(310-345)
58
(400)
58-64
(400-441)
45-47
(310-324)
61
(421)
Yield Strength -
0.2% Offset:
psi x 103 (MPa)
29
(200)
30(206)
42
(290)
31
(214)
39
(269)
46
(317)
54
(372)
37
(255)
55
(379)
Elongation: % in 2"
1-2
1-2
6-10
1-3
-13
4-7
3-6
8-11
1-3
Shear Strength:
psi x 103 (MPa)
-
35
(241)
40
(275)
37
(225)
-
43
(296)
42
(290)
33
(228)
47
(325)
Hardness: Brinell
85
85
90
95
110
89
105
89
105
95
115
110
120
90
110
105
125
Impact Strength: ft-lb (J)
156
(20)
-
313
(42)
193
(25)
-
213
(29)
353
(47)
433
(58)
93
(5)
Fatigue Strength Rotary
Bend - 5 x 108 cycles
psi x 103 (MPa)
-
7.5
(52)
15
(103)
15
(103)
-
17
(117)
25
(172)
15
(103)
21
(145)
Comprehensive Yield
Strength - 0.1% Offset:
psi x 103 (MPa)
29
(199)
31
(214)
37
(252)
33
(227
34
(234
39
(269)
48
(331)
37
(255)
52
(385)
Modulus of Elasticity -
psi x 106 (MPa x 103)
12.4
(85.5)
12.47
(85.5)
12.07
(82.7)
11.37
(77.9)
Physical Properties
Density: lb/cu in (g/cm3)
0.227 (6.3)
0.218 (6.0)
0.181 (5.0)
Melting Range: ºF (ºC)
707-759
(375-404)
710-810
(377-432)
708-903
(376-484)
Electrical Conductivity: % IACS
27.7
28.3
29.7
Thermal Conductivity: BTU/ft/hr/ºF
(W/m/fr/ºC)
66.3
(114.7)
67.1
(116.1)
72.5
(125.5)
Coefficient of Thermal Expansion
68-212ºF u in ºF (100-200ºC um/mm/ºC)
12.9
(23.3)
13.4
(24.2)
14.4
(26.0)
Specific Heat: BTU/lb/ºF (J/kg/ºC)
.104
(435)
.107
(448)
.125
(534)
Pattern or Die Shrinkage: in/in
1/8 in/ft        .007
1/8 in/ft
5/32 in/ft
.0075
 5/32 in/ft 5/32 in/ft .008

(1) 3 hr at 610 ºF and furnace cool. (2) 1/4" square specimen unnotched. (3) 10 mm square specimen unnotched. (4)Comprehensive Strenght (5) Previous industry accepted standard. (6) Estimated values to be confirmed by research. (7) Values for permanent mold condition which should be similar for other processes except for ZA-27 Sand Cast Heat Treat (HT).(8) Revision for standard anticipated 1998. (9) Per ASTM B86-88, * For the majority of commercial applications, a copper content in the range of 0.25 to 0.75% will not adversely affect the serviceability of die castings and should not serve as a basis for rejection.* (10) Zamak alloy ingot for die casting (with the exception of % Ni in No. 7) may contain Ni, Cr, Mn, Si, in amounts of up to 0.02, 0.02, 0.06 and 0.035% respectively.
 ZA Ingot for foundry and pressure die casting may contain Ni, Cr, or Mn in amounts of up to 0.01% each or 0.03% total.


© 2000 - 2002 Imperial Zinc Corp. All Rights Reserved.
Site Maintained by Corecsi.com