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Al2O3-96 vs C-510 High-Alumina Refractory

Ceramic · grade comparison

Al2O3-96 and C-510 High-Alumina Refractory are both ceramic grades. C-510 High-Alumina Refractory is lighter (2.9 g/cm³ vs 3.72 g/cm³ for Al2O3-96) and Al2O3-96 is stiffer (300 GPa vs 100 GPa). On the shop floor, C-510 High-Alumina Refractory sits in a lower cost tier (budget, $) than Al2O3-96 (high, $$$$).

C-510 High-Alumina RefractoryChoose it when weight is the constraint, or when the part sees heat.

Al2O3-96 vs C-510 High-Alumina Refractory: properties

Al2O3-96C-510 High-Alumina Refractory

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

300 GPa43.5 Msi
100 GPa14.5 Msi

Shear Modulus

124 GPa18 Msi
—

Bulk Modulus

180 GPa26.1 Msi
—

Poisson's Ratio

0.21
0.22

Tensile Strength (Ultimate)

170 MPa24.7 ksi
—

Elongation at Break

0%
—

Compressive Strength

2,100 MPa305 ksi
200 MPa29 ksi

Flexural Strength

350 MPa50.8 ksi
30 MPa4.4 ksi

Shear Strength

200 MPa29 ksi
—

Fracture Toughness (K_IC)

3.5 MPa·√m3.2 ksi·√in
2.5 MPa·√m2.3 ksi·√in

Hardness, Vickers

1,150 HV
—

Hardness, Knoop

1,100 HK
—

Hardness, Mohs

9
8.5

Physical

Density and transition temperatures.

Density

3.72 g/cm³0.13 lb/in³
2.9 g/cm³0.1 lb/in³

Melting Point (Solidus)

1,750°C3,182 °F
1,800°C3,272 °F

Porosity

0.2%
17%

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

24 W/m·K13.9 BTU/hr·ft·°F
3 W/m·K1.7 BTU/hr·ft·°F

Specific Heat Capacity

880 J/kg·K0.21 BTU/lb·°F
900 J/kg·K0.21 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

6.5 µm/m·K3.6 µin/in·°F
6 µm/m·K3.3 µin/in·°F

Max Service Temperature (continuous)

1,500°C2,732 °F
1,650°C3,002 °F

Same in both: Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

1×10¹² Ω·m3.94×10¹⁹ µΩ·in
1×10⁹ Ω·m3.94×10¹⁶ µΩ·in

Dielectric Strength

15 kV/mm381 V/mil
10 kV/mm254 V/mil

Dielectric Constant (1 MHz)

9.4
8

Dissipation Factor (1 MHz)

3×10⁻⁴
—

Volume Resistivity

1×10¹⁴ Ω·cm
1×10¹¹ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

90 / 100
85 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Polishability

70 / 100
35 / 100

Same in both: Machinability 5 / 100 · Sintering / Firing Temperature 1,600°C2,912 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

52 MJ/kg22,356 BTU/lb
30 MJ/kg12,898 BTU/lb

Embodied Carbon (primary production)

3.2 kg CO₂/kg
2.2 kg CO₂/kg

Embodied Water

150 L/kg18 gal/lb
40 L/kg4.8 gal/lb

Typical Recycled Content

2%
10%

Common Calculations

Ratios derived from the values above.

Specific Stiffness (E / density)

80.6 MN·m/kg
34.5 MN·m/kg

Thermal Diffusivity

7.3 mm²/s
1.1 mm²/s

Strength versus weight

Yield strength against density for every ceramic grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

501002005001,000234567Density (g/cm³)Yield strength (MPa) — log scale

Manufacturing and finishing

CapabilityAl2O3-96C-510 High-Alumina Refractory
Default condition——
Relative cost$$$$ High$ Budget
Min. machined wall——
Best machined surface——

Al2O3-96 vs C-510 High-Alumina Refractory — frequently asked

What is the difference between Al2O3-96 and C-510 High-Alumina Refractory?

Al2O3-96 and C-510 High-Alumina Refractory are both ceramic grades. C-510 High-Alumina Refractory is lighter (2.9 g/cm³ vs 3.72 g/cm³ for Al2O3-96) and Al2O3-96 is stiffer (300 GPa vs 100 GPa). On the shop floor, C-510 High-Alumina Refractory sits in a lower cost tier (budget, $) than Al2O3-96 (high, $$$$).

Which is cheaper, Al2O3-96 or C-510 High-Alumina Refractory?

C-510 High-Alumina Refractory is the lower-cost material: it sits in the budget tier ($) while Al2O3-96 is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose Al2O3-96 over C-510 High-Alumina Refractory?

Pick C-510 High-Alumina Refractory when weight is the constraint, or when the part sees heat.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Al2O3-96 and C-510 High-Alumina Refractory side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.