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Aluminum A2024-RAM2 vs A7075-RAM10

Aluminum · grade comparison

Aluminum A2024-RAM2 and A7075-RAM10 are both aluminum grades. A7075-RAM10 is the stronger of the two: yield strength 480 MPa (69.6 ksi) against 430 MPa (62.4 ksi) for A2024-RAM2, about 12% more; tensile strength follows at 530 MPa (76.9 ksi) vs 500 MPa (72.5 ksi). A7075-RAM10 is harder — 155 HB against 140 HB for A2024-RAM2 — which matters for wear surfaces and threads. A2024-RAM2 is lighter (2.78 g/cm³ vs 2.9 g/cm³ for A7075-RAM10). On the shop floor, A2024-RAM2 machines more easily (good vs fair) and A7075-RAM10 welds better (fair vs poor).

A2024-RAM2Choose it when weight is the constraint, or when the part is machined in volume.

A7075-RAM10Choose it when strength drives the design, or when surface hardness matters.

A2024-RAM2 vs A7075-RAM10: properties

A2024-RAM2A7075-RAM10

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

500 MPa72.5 ksi
530 MPa76.9 ksi

Yield Strength (0.2% offset)

430 MPa62.4 ksi
480 MPa69.6 ksi

Compressive Strength

440 MPa63.8 ksi
500 MPa72.5 ksi

Shear Strength

295 MPa42.8 ksi
320 MPa46.4 ksi

Fatigue Strength (Endurance Limit)

130 MPa18.9 ksi
140 MPa20.3 ksi

Hardness, Brinell

140 HB
155 HB

Hardness, Rockwell B

82 HRB
87 HRB

Hardness, Vickers

150 HV
165 HV

Same in both: Elastic (Young's) Modulus 78 GPa11.3 Msi · Shear Modulus 29 GPa4.2 Msi · Bulk Modulus 76 GPa11 Msi · Poisson's Ratio 0.33 · Elongation at Break 6% · Fracture Toughness (K_IC) 22 MPa·√m20 ksi·√in

Physical

Density and transition temperatures.

Density

2.78 g/cm³0.1 lb/in³
2.9 g/cm³0.1 lb/in³

Melting Point (Solidus)

502°C936 °F
477°C891 °F

Liquidus Temperature

638°C1,180 °F
635°C1,175 °F

Thermal

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

Specific Heat Capacity

875 J/kg·K0.21 BTU/lb·°F
920 J/kg·K0.22 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

21.5 µm/m·K11.9 µin/in·°F
22 µm/m·K12.2 µin/in·°F

Same in both: Thermal Conductivity 120 W/m·K69.3 BTU/hr·ft·°F · Latent Heat of Fusion 390 J/g168 BTU/lb · Max Service Temperature (continuous) 150°C302 °F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

32 % IACS
30 % IACS

Electrical Resistivity

5.4×10⁻⁸ Ω·m2.13 µΩ·in
5.7×10⁻⁸ Ω·m2.24 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.78 V
-0.83 V

Corrosion Resistance

33 / 100
35 / 100

Manufacturability

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

Machinability

55 / 100
45 / 100

Machinability Rating (AISI 1212 = 100 %)

130%
50%

Weldability

25 / 100
45 / 100

Castability

—
25 / 100

Same in both: Formability (cold) 15 / 100 · Brazeability / Solderability 15 / 100 · Polishability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

15 kg CO₂/kg
18 kg CO₂/kg

Same in both: Embodied Energy (primary production) 260 MJ/kg111,780 BTU/lb · Embodied Water 1,200 L/kg144 gal/lb · Typical Recycled Content 5%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

180 kN·m/kg
183 kN·m/kg

Specific Stiffness (E / density)

28.1 MN·m/kg
26.9 MN·m/kg

Modulus of Resilience

1,185 kJ/m³
1,477 kJ/m³

Thermal Diffusivity

49.3 mm²/s
45 mm²/s

Thermal Shock Resistance Index

36
37

Strength versus weight

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

20501002005002.22.42.62.83Density (g/cm³)Yield strength (MPa) — log scaleA2024-RAM2A7075-RAM10

Manufacturing and finishing

CapabilityA2024-RAM2A7075-RAM10
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

Both take the same 4 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Silver Plating.

A2024-RAM2 vs A7075-RAM10 — frequently asked

Is A7075-RAM10 stronger than A2024-RAM2?

Yes. A7075-RAM10 has a typical yield strength of 480 MPa (69.6 ksi) against 430 MPa (62.4 ksi) for A2024-RAM2 — about 12% more. Tensile strength is 530 MPa (76.9 ksi) vs 500 MPa (72.5 ksi).

Which is cheaper, A2024-RAM2 or A7075-RAM10?

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, A2024-RAM2 or A7075-RAM10?

A2024-RAM2. Its machinability rates good (55/100) against fair (45/100) for A7075-RAM10; for welding the order is A7075-RAM10 first (fair, 45/100) then A2024-RAM2 (poor, 25/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in A2024-RAM2 and A7075-RAM10 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.