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Aluminum 393.0-F vs 393.0-T5

Aluminum · 393.0 temper comparison

393.0-F and 393.0-T5 are two conditions of the same aluminum grade, 393.0: F (as fabricated) versus T5 (cooled from hot working and artificially aged). The chemistry is identical, so every difference below comes from the condition. 393.0-T5 is the stronger of the two: yield strength 225 MPa (32.6 ksi) against 200 MPa (29 ksi) for 393.0-F, about 13% more; tensile strength follows at 245 MPa (35.5 ksi) vs 220 MPa (31.9 ksi). 393.0-T5 is harder — 125 HB against 115 HB for 393.0-F — which matters for wear surfaces and threads. 393.0-T5 runs hotter in service (230°C vs 200°C continuous).

393.0-T5Choose it when strength drives the design, or when surface hardness matters.

393.0-F vs 393.0-T5: properties

393.0-F393.0-T5

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

87 GPa12.6 Msi
88 GPa12.8 Msi

Tensile Strength (Ultimate)

220 MPa31.9 ksi
245 MPa35.5 ksi

Yield Strength (0.2% offset)

200 MPa29 ksi
225 MPa32.6 ksi

Compressive Strength

420 MPa60.9 ksi
460 MPa66.7 ksi

Shear Strength

145 MPa21 ksi
160 MPa23.2 ksi

Fatigue Strength (Endurance Limit)

85 MPa12.3 ksi
95 MPa13.8 ksi

Fracture Toughness (K_IC)

11 MPa·√m10 ksi·√in
12 MPa·√m10.9 ksi·√in

Charpy V-Notch Impact (RT)

1 J0.74 ft·lbf
1 J0.89 ft·lbf

Hardness, Brinell

115 HB
125 HB

Hardness, Rockwell B

64 HRB
70 HRB

Hardness, Vickers

120 HV
131 HV

Same in both: Shear Modulus 33 GPa4.8 Msi · Bulk Modulus 72 GPa10.4 Msi · Poisson's Ratio 0.33 · Elongation at Break 0.5% · Reduction in Area 0.5%

Physical

Density and transition temperatures.

Same in both: Density 2.7 g/cm³0.1 lb/in³ · Melting Point (Solidus) 555°C1,031 °F · Liquidus Temperature 705°C1,301 °F

Thermal

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

Thermal Conductivity

120 W/m·K69.3 BTU/hr·ft·°F
127 W/m·K73.4 BTU/hr·ft·°F

Max Service Temperature (continuous)

200°C392 °F
230°C446 °F

Same in both: Specific Heat Capacity 960 J/kg·K0.23 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 15.8 µm/m·K8.8 µin/in·°F · Latent Heat of Fusion 500 J/g215 BTU/lb · Min Service Temperature -60°C-76 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

22 % IACS
23 % IACS

Electrical Resistivity

7.8×10⁻⁸ Ω·m3.07 µΩ·in
7.5×10⁻⁸ Ω·m2.95 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

45 / 100
44 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.81 V

Manufacturability

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

Formability (cold)

4 / 100
5 / 100

Same in both: Machinability 22 / 100 · Machinability Rating (AISI 1212 = 100 %) 20% · Weldability 25 / 100 · Castability 70 / 100 · Brazeability / Solderability 20 / 100 · Polishability 35 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 190 MJ/kg81,685 BTU/lb · Embodied Carbon (primary production) 12 kg CO₂/kg · Embodied Water 1,100 L/kg132 gal/lb · Typical Recycled Content 30%

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 scale393.0

393.0-F vs 393.0-T5 — frequently asked

Is 393.0-T5 stronger than 393.0-F?

Yes. 393.0-T5 has a typical yield strength of 225 MPa (32.6 ksi) against 200 MPa (29 ksi) for 393.0-F — about 13% more. Tensile strength is 245 MPa (35.5 ksi) vs 220 MPa (31.9 ksi).

Which condition does FabDigit quote by default, F or T5?

T6 is the default 393.0 condition in the FabDigit quote flow (neither F nor T5). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.

When should I choose 393.0-F over 393.0-T5?

Pick 393.0-T5 when strength drives the design, or when surface hardness matters.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 393.0-F and 393.0-T5 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.