High Strength ZN · Zamak Alloy
Zinc Alloy Zamak 5
Zinc Alloy Zamak 5 is a high strength zn zinc alloy — higher-strength die-cast zinc. Typical values: 295 MPa yield, 6.65 g/cm³, rated to 95 °C. Available for CNC machining, Casting & forging at FabDigit.
Properties
Typical room-temperature values in the As Cast condition. Metric first, imperial in gray. The bars show where Zamak 5 sits against the other 9 zinc alloy grades in the catalog.
Datasheet
| Yield strength | 295 MPa43 ksi |
|---|---|
| Tensile strength | 320 MPa46 ksi |
| Hardness | 91 HB |
| Density | 6.65 g/cm³0.24 lb/in³ |
| Specific strength (yield ÷ density) | 44 |
| Min service temp | -40 °C-40 °F |
| Max service temp | 95 °C203 °F |
| Electrical conductivity | 27 % IACS15.7 MS/m |
| Machinability | Excellent92 / 100 |
| Weldability | Fair40 / 100 |
| Formability | Fair40 / 100 |
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Against other zinc alloy grades
Strength versus weight in the zinc alloy family
Yield strength against density for every zinc alloy grade FabDigit runs. Zamak 5 is highlighted; hover a dot for its name, or open the interactive family chart.
Manufacturability
The process limits FabDigit's quote engine applies to Zamak 5. Design inside these and the part quotes instantly; outside them it routes to an engineer.
CNC machining
| Machinability | Excellent92 / 100 |
|---|---|
| Cutting speed (rough / finish) | — / — |
| Minimum wall | — |
| Minimum internal radius | — |
| Drill depth limit | — |
| Best surface (machined / polished) | Ra — / — |
| Hardenable after machining | — |
Conditions and tempers
How Zamak 5 is supplied and what each state is for. The default is what FabDigit quotes unless your drawing says otherwise.
| Condition | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness |
|---|---|---|---|---|---|
As CastDefault Finish State | Rough surface acceptable — hidden or machined-over faces | — | — | — | — |
Heat treatment and post-processing
Operations FabDigit's suppliers routinely run on Zamak 5, ranked by how often they make sense for this grade.
Post-processing
| Manual Deburr | Deburrstandard |
|---|---|
| Edge Break (0.5mm) | Deburr |
| CMM Inspection | Inspection |
| FAI Report | Inspection |
| Individual Bag | Packaging |
Surface finishes for Zamak 5
Coatings and treatments compatible with zinc alloy on the processes Zamak 5 runs on. Pick them in the quote configurator or call them out on the drawing.
Plating
- Chrome Plating
- Copper Plating
- Nickel Plating
Organic Coating
- E-Coating
- Painting
- Powder Coating
Marking / Decoration
- Chemical Etching
- Dot Peen Marking
- Electro-chemical Etching
- Ink Stamping
- Laser Marking
- Mechanical Engraving
- Steel Stamping
- Vibro Engraving / Scribing
Equivalent designations
Standards and trade names that resolve to Zinc Alloy Zamak 5 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- Other
- ZDC1Alloy 5Z5
Stock forms
Raw-material forms FabDigit sources Zamak 5 in.
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.