2124/SiC/25p vs 6061/SiC/10p
Composite · grade comparison
2124/SiC/25p and 6061/SiC/10p are both composite grades. 2124/SiC/25p is the stronger of the two: yield strength 480 MPa (69.6 ksi) against 296 MPa (42.9 ksi) for 6061/SiC/10p, about 62% more; tensile strength follows at 620 MPa (89.9 ksi) vs 338 MPa (49 ksi). In exchange, 6061/SiC/10p is the more ductile: elongation 6% versus 3% for 2124/SiC/25p. 6061/SiC/10p is lighter (2.75 g/cm³ vs 2.88 g/cm³ for 2124/SiC/25p) and 2124/SiC/25p is stiffer (114 GPa vs 81 GPa). On the shop floor, 6061/SiC/10p machines more easily (poor vs not recommended).
2124/SiC/25pChoose it when strength drives the design.
6061/SiC/10pChoose it when the part is bent, formed or impact-loaded, or when weight is the constraint.
2124/SiC/25p vs 6061/SiC/10p: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all composite grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all composite grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Elastic (Young's) Modulus
Shear Modulus
Bulk Modulus
Poisson's Ratio
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Compressive Strength
Compressive Modulus
Flexural Strength
Flexural Modulus
Shear Strength
Fracture Toughness (K_IC)
Physical
Density and transition temperatures.
Density
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Specific Heat Capacity
Thermal Expansion (CTE, 20–100 °C)
Max Service Temperature (short-term)
Same in both: Max Service Temperature (continuous) 175°C347 °F · Min Service Temperature -196°C-321 °F
Electrical
Conductivity and insulation.
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: UV / Weathering Resistance 95 / 100
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Polishability
Sustainability
Primary-production footprint per kilogram.
Embodied Energy (primary production)
Embodied Carbon (primary production)
Typical Recycled Content
Same in both: Embodied Water 1,200 L/kg144 gal/lb
Common Calculations
Ratios derived from the values above.
Specific Strength (UTS / density)
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Thermal Shock Resistance Index
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.
Manufacturing and finishing
| Capability | 2124/SiC/25p | 6061/SiC/10p |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$$ High | $$$$ High |
| Min. machined wall | — | — |
| Best machined surface | — | — |
2124/SiC/25p vs 6061/SiC/10p — frequently asked
Is 2124/SiC/25p stronger than 6061/SiC/10p?
Yes. 2124/SiC/25p has a typical yield strength of 480 MPa (69.6 ksi) against 296 MPa (42.9 ksi) for 6061/SiC/10p — about 62% more. Tensile strength is 620 MPa (89.9 ksi) vs 338 MPa (49 ksi).
Which is cheaper, 2124/SiC/25p or 6061/SiC/10p?
Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.
Which is easier to machine, 2124/SiC/25p or 6061/SiC/10p?
6061/SiC/10p. Its machinability rates poor (30/100) against not recommended (12/100) for 2124/SiC/25p.
Ready to make it?
Upload a CAD file and FabDigit prices the part in 2124/SiC/25p and 6061/SiC/10p 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.