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ALLOY
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#2
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#3
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#5
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#7
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ZA-8
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AcuZinc
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MECHANICAL PROPERTIES
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Die Cast
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Die Cast
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Die Cast
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Die Cast
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Die Cast
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Die Cast
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Ultimate
Tensile Strength: Psi
(MPa)
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52,000 (359)
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41,000 (283)
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47,600 (328)
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41,000 (283)
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54,200 (374)
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59,000 (407)
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Yield
Strength:
(0.2% Offset) psi (MPa)
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41,000
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32,000 (221)
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33,000 (228)
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32,000 (221)
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42,000 (290)
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49,000 (338)
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Elongation: % in 2” (51mm)
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7
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10
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7
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13
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6-10
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5
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Shear
Strength
Psi
(Mpa)
Hardness:
Brinell
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46,000 (317)
100
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31,000 (214)
up to 82
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38,000 (262)
up to 91
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31,000 (214)
80
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40,000 (275)
up to 110
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40,600 (280)
118
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Impact
Strength: ft-lb
(J) ¼” square specimen
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35 (47.5)
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43 (58)
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48 (65)
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43 (58)
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24-35 (32-48)
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Fatigue
Strength Rotary Bend: 5x108
cycles psi x 10³ (MPa)
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8.5 (58.6)
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6.9 (47.6)
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8.2 (56.5)
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6.9 (47.6)
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15 (103)
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Compressive
Yield Strength:
0.1% offset psi
x 10³ (MPa)
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93 (641)
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60 (414)
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87 (600)
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60 (414)
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37 (252)
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Modulus
of Elasticity:
varies with stress level; applicable only for short-duration
loads: psi x 106 (MPa x 10³)
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12.4 (85.5)
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12.4 (85.5)
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12.4 (85.5)
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12.4 (85.5)
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12.4 (85.5)
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PHYSICAL PROPERTIES
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Density:
lb/cu in (g/cu cm)
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.24 (6.6)
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.24 (6.6)
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.24 (6.6)
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.24 (6.6)
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.227 (6.3)
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.247 (6.85)
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Melting
Range:
F° (C°)
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715-734
(379-390)
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718-728
(381-387)
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717-727
(380-386)
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718-728
(381-387)
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707-759
(375-404)
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755-936
(402-502)
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Electrical
Conductivity:
% IACS
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25
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27
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26
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27
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27.7
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26.9
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Thermal
Conductivity: BTU/ft/hr/F°
(W/m/hr/C°)
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60.5 (104.7)
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65.3 (113)
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62.9 (109)
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65.3 (113)
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66.3 (115)
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61.2 (106)
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Coefficient
of Thermal Expansion:
68-212
F° µin/in/F° (100-200 C° µm/mm/C°)
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15.4 (27.8)
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15.2 (27.4)
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15.2 (27.4)
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15.2 (27.4)
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12.9 (23.2)
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13.3 (24)
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Specific
Heat: BTU/lb/F°
(J/kg/C°)
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.10 (419)
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.10 (419)
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.10 (419)
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.10 (419)
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.104 (435)
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Shrinkage:
in/in
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.006
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.006
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.006
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.006
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.007
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.006
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CHEMICAL SPECIFICATIONS
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Al
(Aluminum)
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3.5-4.3
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3.5-4.3
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3.5-4.3
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3.5-4.3
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8.0-8.8
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2.8-3.3
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Mg
(magnesium)
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.02-.05
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.02-.05
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.03-.008
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.005-.020
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.015-.030
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.025-.05
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Cu
(Copper)
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2.5-3.0
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.25 max
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.75-1.25
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.25 max
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.8-1.3
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5.0-6.0
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Fe
(Iron) Max.
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.10
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.10
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.10
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.075
|
.075
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.075
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Pb
(Lead) Max.
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.005
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.005
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.005
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.003
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.006
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.005
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Cd
(Cadmium) Max.
|
.004
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.004
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.004
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.002
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.006
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.004
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Sn
(Tin) Max.
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.003
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.003
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.003
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.003
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.003
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.003
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Ni
(Nickel) Max.
|
.035
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.02
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.02
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.06
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.01
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.02
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