FabDigit

Multipurpose ZN · ZA Alloy

Zinc Alloy ZA-8

Zinc Alloy ZA-8 is a multipurpose zn zinc alloy — higher-strength za die-cast. Typical values: 290 MPa yield, 6.3 g/cm³, rated to 110 °C. Available for CNC machining at FabDigit.

CNC machiningStandard cost $$

Properties

Typical room-temperature values in the As Cast condition. Metric first, imperial in gray. The bars show where ZA-8 sits against the other 9 zinc alloy grades in the catalog.

Datasheet

Yield strength290 MPa42 ksi
Tensile strength380 MPa55 ksi
Hardness95 HB
Density6.3 g/cm³0.228 lb/in³
Specific strength (yield ÷ density)46
Min service temp-40 °C-40 °F
Max service temp110 °C230 °F
Electrical conductivity28 % IACS16.2 MS/m
MachinabilityExcellent92 / 100
WeldabilityFair40 / 100
FormabilityFair40 / 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

Yield strength290 MPa 42 ksi
189 MPafamily median 285 MPa330 MPa
Tensile strength380 MPa 55 ksi
264 MPafamily median 320 MPa409 MPa
Density6.3 g/cm³ 0.228 lb/in³
5.82 g/cm³family median 6.65 g/cm³6.75 g/cm³
Hardness (HB equiv.)95 HB
74 HBfamily median 91 HB103 HB
Max service temp110 °C 230 °F
95 °Cfamily median 95 °C110 °C
Electrical conductivity28 % IACS 16.2 MS/m
27 % IACSfamily median 27 % IACS28 % IACS
Machinability92 / 100
92 / 100family median 92 / 10092 / 100
Relative cost22
15family median 2222

Strength versus weight in the zinc alloy family

Yield strength against density for every zinc alloy grade FabDigit runs. ZA-8 is highlighted; hover a dot for its name, or open the interactive family chart.

15020030055.566.57Density (g/cm³)Yield strength (MPa) — log scaleZamak 2Zamak 3Zamak 5Zamak 7ZA-12ZA-27Zn-Cu-TiSlush MetalZA-8

Manufacturability

The process limits FabDigit's quote engine applies to ZA-8. Design inside these and the part quotes instantly; outside them it routes to an engineer.

CNC machining

MachinabilityExcellent92 / 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 ZA-8 is supplied and what each state is for. The default is what FabDigit quotes unless your drawing says otherwise.

ConditionBest forYield MPaTensile MPaElong. %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-8, ranked by how often they make sense for this grade.

Post-processing

Manual DeburrDeburrstandard
Edge Break (0.5mm)Deburr
CMM InspectionInspection
FAI ReportInspection
Individual BagPackaging

Surface finishes for ZA-8

Coatings and treatments compatible with zinc alloy on the processes ZA-8 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-8 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.

Other
Zinc Aluminum 8Alloy 8

Stock forms

Raw-material forms FabDigit sources ZA-8 in.

IngotCasting

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.