Zinc Base Die Cast Alloy #12
Product Menu | Properties | Availability | Uses
Specifications: ASTM B669*
| Element | Al% | Zn% | Mg% | Si% | Cu% | Fe% | Pb% |
| Maximum | 11.5 | BAL | 0.03 | X | 1.2 | 0.065 | 0.005 |
| Minimum | 10.8 | 0.02 | 0.5 | -- | -- | ||
| Element | Sn% | Cd% | Ni% | Mn% | Cr% | Ti% | Sb% |
| Maximum | 0.002 | 0.005 | 0.01 | 0.01 | 0.01 | X | X |
| Minimum | -- | -- | -- | -- | -- |
*Ritchey Metals will adjust these specifications to suit the
needs of an individual customer upon request.
Properties
| Mechanical | Sand Cast | Perm Mold | Die Cast |   |
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| Ultimate Tensile Strength | 40-46 psi x 103 (276-317 Mpa) |
45-50 psi x 103 (310-345 Mpa) |
58 psi x 103 (400 Mpa) |
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| Yield Strength - 0.2% Offset | 31 psi x 103 (214 Mpa) |
39 psi x 103 (269 Mpa) |
46 psi x 103 (317 Mpa) |
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| Elongation | 1-3% in 2" | 1-3% in 2" | 4-7% in 2" | ||||||
| Shear Strength | 37 psi x 103 (255 Mpa) |
-- | 43 psi x 103 (296 Mpa) |
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| Hardness: Brinell | 89-105 | 89-105 | 95-115 | ||||||
| Impact Strength | 19 ft-lb (25 J) | -- | 21 ft-lb (29 J) | ||||||
| (10 mm2 specimen unnotched) | |||||||||
| Fatigue Strength Rotary Bend | 15 psi x 103 (103 Mpa) |
-- | 17 psi x 103 (117 Mpa) |
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| 5 x 108 cycles | |||||||||
| Comprehensive Yield Strength | 33 psi x 103 (227 Mpa) |
34 psi x 103 (234 Mpa) |
39 psi x 103 (269 Mpa) |
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| 0.1% Offset | |||||||||
| Modulus of Elasticity | 12.0 psi x 106 (82.7 Mpa x 103) |
12.0 psi x 106 (82.7 Mpa x 103) |
12.0 psi x 106 (82.7 Mpa x 103) |
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| Physical | |||||||||
| Density | 0.218 lb/in3 (6.0 g/cm3) | ||||||||
| Melting Range | 710-810 oF (377-432 oC) | ||||||||
| Electrical Conductivity | 28.3% IACS | ||||||||
| Thermal Conductivity | 67.1 BTU/ft/hr/oF (116.1 W/m/hr/ oC) |
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| Coefficient of Thermal Expansion | 13.4 microinches/in/oF (24.2 microinches/mm/oC) |
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| 68-212oF(100-200oC) | |||||||||
| Specific Heat | 0.107 BTU/lb/oF (448 J/kg/oC)) | ||||||||
| Pattern or Die Shrinkage | 5/32 in/ft | ||||||||
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.
