Magnesium Alloys ZK60A is stocked by 3 North American distributors and produced by 2 large mills. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required
This material is stocked primarily in Bar Products by 3 distributors.
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For mill (large volume) production click here
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Specifications
The following specifications cover Magnesium Alloys ZK60A
Property Results
Chemistry Data : [top]
Magnesium
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Balance |
Remainder Total
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0.3 max |
Zinc
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4.8 - 6.2 |
Zirconium
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0.45 min |
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Principal Design Features
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ZK60A is a heat treatable magnesium alloy used primarily in extruded shapes and forgings. The alloy is generally considered for applications requiring shock and impact resistance and for parts that will be highly stressed.
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Applications
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Commonly employed in a variety of aircraft applications such as landing gear, brake housings, instrumentation bodies, ribs and spars.
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Machinability
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Very high machinability rating. As with any magnesium alloy, great care should be taken because this material is flammable. To avoid this potential hazard, positive cuts should be taken, as large chips are less likely to ignite. Flooding with lubricant is also required and good procedure should include constant monitoring of the operation by a machinist equipped with a magnesium fire arresting kit, such as black powder.
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Forming
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Best results are obtained by preheating the material to 500 F. Bend radii of twice the material thickness is possible with proper procedures.
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Welding
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Arc welding is not recommended, however, resistance welding has proven good results.
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Heat Treatment
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Solution heat treat at 930 F for 2 hours and quench in warm/ hot water.
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Hot Working
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Work at 500 F.
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Aging
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Following solution heat treatment (930 F for 2 hours, hot water quench), heat to 300 F for 24 hours.
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Physical Data : [top]
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Density (lb / cu. in.)
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0.066
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Specific Heat (Btu/lb/Deg F - [32-212 Deg F])
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0.245
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Electrical Resistivity (microhm-cm (at 68 Deg F))
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5.7
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Thermal Conductivity
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70
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Mean Coeff Thermal Expansion
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14.5
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Mechanical Data : [top]
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MSO currently has no data available for this grade.
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Videos :
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MSO currently has no videos available for this grade.
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Disclaimer
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