FabDigit

High Hardness Ceramic · Oxide Ceramic

Alumina 96

Alumina 96 is a high hardness ceramic ceramic — workhorse technical alumina. Typical values: 350 MPa yield, 3.72 g/cm³, rated to 1,500 °C. Available for CNC machining at FabDigit.

CNC machiningHigh cost $$$$

Properties

Typical room-temperature values for the default supply condition. Metric first, imperial in gray. The bars show where Alumina 96 sits against the other 11 ceramic grades in the catalog.

Datasheet

Yield strength350 MPa51 ksi
Tensile strength380 MPa55 ksi
Hardness1300 HV1235 HB
Density3.72 g/cm³0.134 lb/in³
Specific strength (yield ÷ density)94
Min service temp-200 °C-328 °F
Max service temp1,500 °C2,732 °F
Electrical conductivity< 0.001 % IACSinsulator
MachinabilityPoor20 / 100
WeldabilityNot recommended5 / 100
FormabilityNot recommended5 / 100

Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.

Against other ceramic grades

Yield strength350 MPa 51 ksi
80 MPafamily median 320 MPa700 MPa
Tensile strength380 MPa 55 ksi
90 MPafamily median 350 MPa800 MPa
Density3.72 g/cm³ 0.134 lb/in³
2.3 g/cm³family median 3.2 g/cm³6.05 g/cm³
Hardness (HB equiv.)1,235 HB
238 HBfamily median 1,045 HB1,425 HB
Max service temp1,500 °C 2,732 °F
800 °Cfamily median 1,100 °C1,600 °C
Electrical conductivity< 0.001 % IACS insulator
< 0.001 % IACSfamily median < 0.001 % IACS< 0.001 % IACS
Machinability20 / 100
20 / 100family median 20 / 10075 / 100
Relative cost80
80family median 8080

Strength versus weight in the ceramic family

Yield strength against density for every ceramic grade FabDigit runs. Alumina 96 is highlighted; hover a dot for its name, or open the interactive family chart.

501002005001,000234567Density (g/cm³)Yield strength (MPa) — log scaleAlumina 99.5Zirconia Y-TZPSilicon CarbideSilicon NitrideBoron NitrideAluminum NitrideMacorSteatiteCordieritePZTAlumina 96

Manufacturability

The process limits FabDigit's quote engine applies to Alumina 96. Design inside these and the part quotes instantly; outside them it routes to an engineer.

CNC machining

MachinabilityPoor20 / 100
Cutting speed (rough / finish) /
Minimum wall
Minimum internal radius
Drill depth limit
Best surface (machined / polished)Ra /
Hardenable after machining

Heat treatment and post-processing

Operations FabDigit's suppliers routinely run on Alumina 96, 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 Alumina 96

Coatings and treatments compatible with ceramic on the processes Alumina 96 runs on. Pick them in the quote configurator or call them out on the drawing.

Marking / Decoration

  • Chemical Etching
  • Dot Peen Marking
  • Electro-chemical Etching
  • Ink Stamping
  • Laser Marking
  • Mechanical Engraving
  • Vibro Engraving / Scribing

Equivalent designations

Standards and trade names that resolve to Alumina 96 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.

Other
Al2O3 96%96 Alumina

Stock forms

Raw-material forms FabDigit sources Alumina 96 in.

PlateRodTubeBlock

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.