High Strength ZN · ZA Alloy
Zinc Alloy ZA-27
Zinc Alloy ZA-27 is a high strength zn zinc alloy — premium za bearing alloy. Typical values: 370 MPa yield, 5 g/cm³, rated to 110 °C. Available for CNC machining at FabDigit.
Properties
Typical room-temperature values in the As Cast condition. Metric first, imperial in gray. The bars show where ZA-27 sits against the other 9 zinc alloy grades in the catalog.
Datasheet
| Yield strength | 370 MPa54 ksi |
|---|---|
| Tensile strength | 425 MPa62 ksi |
| Hardness | 115 HB |
| Density | 5 g/cm³0.181 lb/in³ |
| Specific strength (yield ÷ density) | 74 |
| Min service temp | -40 °C-40 °F |
| Max service temp | 110 °C230 °F |
| Electrical conductivity | 28 % IACS16.2 MS/m |
| Machinability | Excellent92 / 100 |
| Weldability | Fair40 / 100 |
| Formability | Fair40 / 100 |
| ISO 513 machining group | P |
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. ZA-27 is highlighted; hover a dot for its name, or open the interactive family chart.
Manufacturability
The process limits FabDigit's quote engine applies to ZA-27. Design inside these and the part quotes instantly; outside them it routes to an engineer.
CNC machining
| Machinability | Excellent92 / 100 |
|---|---|
| ISO material group | P.3 |
| Cutting speed (rough / finish) | 140 / 170 m/min |
| Minimum wall | 0.8 mm |
| Minimum internal radius | 1.5 mm |
| Drill depth limit | 4× diameter |
| Best surface (machined / polished) | Ra 1.6 / — |
| Hardenable after machining | No |
Conditions and tempers
How ZA-27 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 ZA-27, 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 ZA-27
Coatings and treatments compatible with zinc alloy on the processes ZA-27 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 ZA-27 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- Other
- Zinc Aluminum 27Alloy 27
Stock forms
Raw-material forms FabDigit sources ZA-27 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.