FabDigit

C-210 vs Steatite and 2 more: properties

C-210SteatiteCordieriteZircon

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

150 GPa21.8 Msi
100 GPa14.5 Msi
70 GPa10.2 Msi
190 GPa27.6 Msi

Shear Modulus

60 GPa8.7 Msi
40 GPa5.8 Msi
28 GPa4.1 Msi
78 GPa11.3 Msi

Bulk Modulus

100 GPa14.5 Msi
67 GPa9.7 Msi
47 GPa6.8 Msi
150 GPa21.8 Msi

Tensile Strength (Ultimate)

70 MPa10.2 ksi
60 MPa8.7 ksi
25 MPa3.6 ksi
80 MPa11.6 ksi

Compressive Strength

700 MPa102 ksi
700 MPa102 ksi
350 MPa50.8 ksi
1,200 MPa174 ksi

Flexural Strength

150 MPa21.8 ksi
130 MPa18.9 ksi
70 MPa10.2 ksi
180 MPa26.1 ksi

Fracture Toughness (K_IC)

2 MPa·√m1.8 ksi·√in
1.5 MPa·√m1.4 ksi·√in
1.5 MPa·√m1.4 ksi·√in
2.5 MPa·√m2.3 ksi·√in

Hardness, Vickers

700 HV
650 HV
700 HV
1,150 HV

Hardness, Mohs

7.5
7
7
7.5

Elongation at Break

0%

Hardness, Knoop

600 HK
1,100 HK

Same in both: Poisson's Ratio 0.25

Physical

Density and transition temperatures.

Density

3.6 g/cm³0.13 lb/in³
2.8 g/cm³0.1 lb/in³
2.3 g/cm³0.08 lb/in³
3.7 g/cm³0.13 lb/in³

Porosity

0.2%
0%
8%
0.2%

Melting Point (Solidus)

1,450°C2,642 °F
1,465°C2,669 °F
1,687°C3,069 °F

Refractive Index

1.95

Thermal

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

Thermal Conductivity

3.5 W/m·K2 BTU/hr·ft·°F
2.5 W/m·K1.4 BTU/hr·ft·°F
2.5 W/m·K1.4 BTU/hr·ft·°F
4.5 W/m·K2.6 BTU/hr·ft·°F

Specific Heat Capacity

750 J/kg·K0.18 BTU/lb·°F
800 J/kg·K0.19 BTU/lb·°F
800 J/kg·K0.19 BTU/lb·°F
560 J/kg·K0.13 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

4.5 µm/m·K2.5 µin/in·°F
8 µm/m·K4.4 µin/in·°F
2 µm/m·K1.1 µin/in·°F
4.2 µm/m·K2.3 µin/in·°F

Max Service Temperature (continuous)

1,000°C1,832 °F
1,000°C1,832 °F
1,250°C2,282 °F
1,500°C2,732 °F

Min Service Temperature

-60°C-76 °F
-200°C-328 °F
-200°C-328 °F
-200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

1×10¹² Ω·m3.94×10¹⁹ µΩ·in
1×10¹² Ω·m3.94×10¹⁹ µΩ·in
1×10¹¹ Ω·m3.94×10¹⁸ µΩ·in
1×10¹¹ Ω·m3.94×10¹⁸ µΩ·in

Dielectric Strength

20 kV/mm508 V/mil
12 kV/mm305 V/mil
10 kV/mm254 V/mil
12 kV/mm305 V/mil

Dielectric Constant (1 MHz)

9
6
5
9

Dissipation Factor (1 MHz)

0.0015
0.0012
0.004
0.001

Volume Resistivity

1×10¹⁴ Ω·cm
1×10¹⁴ Ω·cm
1×10¹³ Ω·cm
1×10¹³ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

85 / 100
85 / 100
70 / 100
88 / 100

Manufacturability

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

Machinability

5 / 100
8 / 100
20 / 100
5 / 100

Polishability

70 / 100
60 / 100
35 / 100
80 / 100

Sintering / Firing Temperature

1,300°C2,372 °F
1,300°C2,372 °F
1,350°C2,462 °F
1,600°C2,912 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

25 MJ/kg10,748 BTU/lb
27 MJ/kg11,608 BTU/lb
30 MJ/kg12,898 BTU/lb
40 MJ/kg17,197 BTU/lb

Embodied Carbon (primary production)

1.8 kg CO₂/kg
1.9 kg CO₂/kg
2.2 kg CO₂/kg
3 kg CO₂/kg

Embodied Water

25 L/kg3 gal/lb
45 L/kg5.4 gal/lb
20 L/kg2.4 gal/lb
30 L/kg3.6 gal/lb

Typical Recycled Content

5%
2%
5%
3%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

19 kN·m/kg
21 kN·m/kg
11 kN·m/kg
22 kN·m/kg

Specific Stiffness (E / density)

41.7 MN·m/kg
35.7 MN·m/kg
30.4 MN·m/kg
51.4 MN·m/kg

Thermal Diffusivity

1.3 mm²/s
1.1 mm²/s
1.4 mm²/s
2.2 mm²/s

Same in both: Thermal Shock Resistance Index 0

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 scaleSteatiteCordierite

Manufacturing and finishing

CapabilityC-210SteatiteCordieriteZircon
Default condition
Relative cost$$$ Premium$$$$ High$$$$ High$$ Standard
Min. machined wall
Best machined surface

Ready to make it?

Upload a CAD file and FabDigit prices the part in C-210 and Steatite 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.