Zinc Base Die Cast Alloy #7
Product Menu | Properties | Availability | Uses
Specifications: ASTM B792*
| Element | Al% | Zn% | Mg% | Si% | Cu% | Fe% | Pb% |
| Maximum | 4.3 | BAL | 0.02 | 0.035 | 0.1 | 0.075 | 0.002 |
| Minimum | 3.9 | 0.01 | -- | -- | -- | -- | |
| Element | Sn% | Cd% | Ni% | Mn% | Cr% | Ti% | Sb% |
| Maximum | 0.001 | 0.002 | 0.02 | 0.05 | 0.02 | X | X |
| Minimum | -- | -- | 0.005 | -- | -- |
*Ritchey Metals will adjust these specifications to suit the
needs of an individual customer upon request.
Properties
| Mechanical | Die Cast |   |
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| Ultimate Tensile Strength | 41 psi x 103 (283 Mpa) | ||||
| Yield Strength - 0.2% Offset | 32 psi x 103 (221 Mpa) | ||||
| Elongation | 13% in 2" | ||||
| Shear Strength | 31 psi x 103 (214 Mpa) | ||||
| Hardness: Brinell | 80 | ||||
| Impact Strength | 43 ft-lb (58 J) | ||||
| 1/4 in2 specimen unnotched | |||||
| Fatigue Strength Rotary Bend | 6.8 psi x 103 (47 Mpa) | ||||
| 5 x 108 cycles | |||||
| Comprehensive Yield Strength | 60 psi x 103 (414 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 | 718-728oF (381-387oC) | ||||
| Electrical Conductivity | 27% IACS | ||||
| Thermal Conductivity | 65.3 BTU/ft/hr/oF (113.0 W/m/hr/ oC) |
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| Coefficient of Thermal Expansion | 15.2 microinches/in/oF (27.4 microinches/mm/oC) |
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| 68-212oF(100-200oC) | |||||
| Specific Heat | 0.10 BTU/lb/oF (419 J/kg/oC)) | ||||
| Pattern or Die Shrinkage | 0.007 in/in | ||||
Availability
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.
