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VK10 vs YG8

Ceramic · grade comparison

VK10 and YG8 are both ceramic grades. YG8 runs hotter in service (600°C vs 550°C continuous).

YG8Choose it when the part sees heat.

VK10 vs YG8: properties

VK10YG8

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

580 GPa84.1 Msi
600 GPa87 Msi

Shear Modulus

232 GPa33.6 Msi
245 GPa35.5 Msi

Poisson's Ratio

0.23
0.22

Tensile Strength (Ultimate)

1,150 MPa167 ksi
1,200 MPa174 ksi

Compressive Strength

4,200 MPa609 ksi
4,500 MPa653 ksi

Flexural Strength

1,500 MPa218 ksi
2,000 MPa290 ksi

Shear Strength

950 MPa138 ksi
1,300 MPa189 ksi

Fracture Toughness (K_IC)

13.5 MPa·√m12.3 ksi·√in
14 MPa·√m12.7 ksi·√in

Hardness, Vickers

1,290 HV
1,350 HV

Hardness, Knoop

1,350 HK
1,400 HK

Same in both: Bulk Modulus 360 GPa52.2 Msi · Elongation at Break 0.1% · Hardness, Mohs 9

Physical

Density and transition temperatures.

Density

14.4 g/cm³0.52 lb/in³
14.7 g/cm³0.53 lb/in³

Porosity

0.04%
0.02%

Same in both: Melting Point (Solidus) 1,320°C2,408 °F

Thermal

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

Thermal Conductivity

78 W/m·K45.1 BTU/hr·ft·°F
75 W/m·K43.3 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

5.5 µm/m·K3.1 µin/in·°F
4.8 µm/m·K2.7 µin/in·°F

Max Service Temperature (continuous)

550°C1,022 °F
600°C1,112 °F

Min Service Temperature

-196°C-321 °F
-200°C-328 °F

Same in both: Specific Heat Capacity 220 J/kg·K0.05 BTU/lb·°F

Electrical

Conductivity and insulation.

Same in both: Electrical Resistivity 2×10⁻⁷ Ω·m7.87 µΩ·in · Volume Resistivity 2×10⁻⁵ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Corrosion Resistance 45 / 100

Manufacturability

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

Polishability

85 / 100
90 / 100

Same in both: Machinability 5 / 100 · Sintering / Firing Temperature 1,420°C2,588 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

130 MJ/kg55,890 BTU/lb
180 MJ/kg77,386 BTU/lb

Embodied Carbon (primary production)

8.5 kg CO₂/kg
12 kg CO₂/kg

Embodied Water

—
400 L/kg47.9 gal/lb

Same in both: Typical Recycled Content 30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

80 kN·m/kg
82 kN·m/kg

Specific Stiffness (E / density)

40.3 MN·m/kg
40.8 MN·m/kg

Thermal Diffusivity

24.6 mm²/s
23.2 mm²/s

Thermal Shock Resistance Index

28
31

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

CapabilityVK10YG8
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

VK10 vs YG8 — frequently asked

What is the difference between VK10 and YG8?

VK10 and YG8 are both ceramic grades. YG8 runs hotter in service (600°C vs 550°C continuous).

Which is cheaper, VK10 or YG8?

Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.

When should I choose VK10 over YG8?

Pick YG8 when the part sees heat.

Ready to make it?

Upload a CAD file and FabDigit prices the part in VK10 and YG8 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.