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6061/SiC/10p vs Glidcop AL-15

Composite · grade comparison

6061/SiC/10p and Glidcop AL-15 are both composite grades. Glidcop AL-15 is the stronger of the two: yield strength 331 MPa (48 ksi) against 296 MPa (42.9 ksi) for 6061/SiC/10p, about 12% more; tensile strength follows at 413 MPa (59.9 ksi) vs 338 MPa (49 ksi). Glidcop AL-15 is the more ductile: elongation 18% versus 6% for 6061/SiC/10p. 6061/SiC/10p is lighter (2.75 g/cm³ vs 8.9 g/cm³ for Glidcop AL-15) and Glidcop AL-15 is stiffer (130 GPa vs 81 GPa). On the shop floor, Glidcop AL-15 machines more easily (fair vs poor).

6061/SiC/10pChoose it when weight is the constraint.

Glidcop AL-15Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

6061/SiC/10p vs Glidcop AL-15: properties

6061/SiC/10pGlidcop AL-15

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

81 GPa11.7 Msi
130 GPa18.9 Msi

Shear Modulus

31 GPa4.5 Msi
48 GPa7 Msi

Bulk Modulus

79 GPa11.5 Msi
128 GPa18.6 Msi

Tensile Strength (Ultimate)

338 MPa49 ksi
413 MPa59.9 ksi

Yield Strength (0.2% offset)

296 MPa42.9 ksi
331 MPa48 ksi

Elongation at Break

6%
18%

Compressive Strength

400 MPa58 ksi
340 MPa49.3 ksi

Compressive Modulus

82 GPa11.9 Msi
—

Flexural Strength

480 MPa69.6 ksi
—

Flexural Modulus

81 GPa11.7 Msi
—

Shear Strength

215 MPa31.2 ksi
235 MPa34.1 ksi

Fracture Toughness (K_IC)

18 MPa·√m16.4 ksi·√in
70 MPa·√m63.7 ksi·√in

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.75 g/cm³0.1 lb/in³
8.9 g/cm³0.32 lb/in³

Thermal

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

Thermal Conductivity

175 W/m·K101 BTU/hr·ft·°F
365 W/m·K211 BTU/hr·ft·°F

Specific Heat Capacity

880 J/kg·K0.21 BTU/lb·°F
380 J/kg·K0.09 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

20.7 µm/m·K11.5 µin/in·°F
16.6 µm/m·K9.2 µin/in·°F

Max Service Temperature (continuous)

175°C347 °F
500°C932 °F

Min Service Temperature

-196°C-321 °F
-200°C-328 °F

Max Service Temperature (short-term)

250°C482 °F
900°C1,652 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

4.5×10⁻⁸ Ω·m1.77 µΩ·in
1.87×10⁻⁸ Ω·m0.736 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

UV / Weathering Resistance

95 / 100
90 / 100

Same in both: Corrosion Resistance 55 / 100

Manufacturability

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

Machinability

30 / 100
45 / 100

Polishability

55 / 100
70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

225 MJ/kg96,733 BTU/lb
95 MJ/kg40,843 BTU/lb

Embodied Carbon (primary production)

13.5 kg CO₂/kg
7 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
260 L/kg31.2 gal/lb

Typical Recycled Content

10%
5%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

123 kN·m/kg
46 kN·m/kg

Specific Stiffness (E / density)

29.5 MN·m/kg
14.6 MN·m/kg

Modulus of Resilience

541 kJ/m³
421 kJ/m³

Thermal Diffusivity

72.3 mm²/s
107.9 mm²/s

Thermal Shock Resistance Index

35
70

Strength versus weight

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

1101001,000510Density (g/cm³)Yield strength (MPa) — log scale6061/SiC/10pGlidcop AL-15

Manufacturing and finishing

Capability6061/SiC/10pGlidcop AL-15
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

6061/SiC/10p vs Glidcop AL-15 — frequently asked

Is Glidcop AL-15 stronger than 6061/SiC/10p?

Yes. Glidcop AL-15 has a typical yield strength of 331 MPa (48 ksi) against 296 MPa (42.9 ksi) for 6061/SiC/10p — about 12% more. Tensile strength is 413 MPa (59.9 ksi) vs 338 MPa (49 ksi).

Which is cheaper, 6061/SiC/10p or Glidcop AL-15?

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.

Which is easier to machine, 6061/SiC/10p or Glidcop AL-15?

Glidcop AL-15. Its machinability rates fair (45/100) against poor (30/100) for 6061/SiC/10p.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 6061/SiC/10p and Glidcop AL-15 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.