Ritchey Metals' Products
Zinc Base Die Cast Alloy #5
Product Menu | Properties | Availability | Uses
Specifications: ASTM B240*
| Element |
Al% |
Zn% |
Mg% |
Si% |
Cu% |
Fe% |
Pb% |
| Maximum |
4.3 |
BAL |
0.06 |
0.035 |
1.25 |
0.075 |
0.004 |
| Minimum |
3.9 |
0.03 |
-- |
0.75 |
-- |
-- |
|
| Element |
Sn% |
Cd% |
Ni% |
Mn% |
Cr% |
Ti% |
Sb% |
| Maximum |
0.002 |
0.003 |
0.02 |
0.05 |
0.02 |
X |
X |
| Minimum |
-- |
-- |
-- |
-- |
-- |
X= Element not in Specification. *Ritchey Metals will adjust these specifications to suit the needs of an individual customer upon request.
| Mechanical |
|
Die Cast |
|

 |
|
| Ultimate Tensile Strength |
48 psi x 103 (328 Mpa) |
|
| Yield Strength - 0.2% Offset |
33 psi x 103 (228 Mpa) |
|
| Elongation |
7% in 2" |
|
| Shear Strength |
38 psi x 103 (262 Mpa) |
|
| Hardness: Brinell |
91 |
|
| Impact Strength |
48 ft-lb (65 J) |
|
1/4 in2 specimen unnotched |
|
| Fatigue Strength Rotary Bend |
8.2 psi x 103 (57 Mpa) |
|
5 x 108 cycles |
|
| Comprehensive Yield Strength |
87 psi x 103 (600 Mpa) |
|
0.1% Offset |
|
| Modulus of Elasticity |
12.4 psi x 106 (85.5 Mpa x 103) |
|
|
| Physical |
|
| Density |
.24 lb/in3 (6.6 g/cm3) |
|
| Melting Range |
717-727oF (380-386oC) |
|
| Electrical Conductivity |
26% IACS |
|
| Thermal Conductivity |
62.9 BTU/ft/hr/oF (108.9 W/m/hr/ oC) |
|
| Coefficient of Thermal Expansion |
15.2 microinches/in/oF (27.4 microinches/mm/oC) |
|
68-212oF(100-200oC) |
|
| Specific Heat |
0.10 BTU/lb/oF (419 J/kg/oC)) |
|
| Pattern or Die Shrinkage |
0.007 in/in |
|
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The following links are technical drawings of our products in pdf format. You will need Adobe Acrobat to view these files.
Bar Ingot Bundle - Self-palletizing or on wooden pallets
Margash Bundle - Self-palletizing or on wooden pallets
Small Sow
Ritchey Metals routinely works with customers to alter our products to fit specific needs.

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Slightly stronger than Z-3, Zinc Base Die Cast Alloy #5 is ideal for smaller castings which must still deliver higher than average strength. The higher copper content raises the tensile strength and hardness, but cause the impact strength to fall slightly below Z-3.
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