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Aluminum 5156-H111 vs 5156-H32

Aluminum · 5156 temper comparison

5156-H111 and 5156-H32 are two conditions of the same aluminum grade, 5156: H111 (slightly strain hardened) versus H32 (strain hardened and stabilized, quarter hard). The chemistry is identical, so every difference below comes from the condition. 5156-H32 is the stronger of the two: yield strength 235 MPa (34.1 ksi) against 145 MPa (21 ksi) for 5156-H111, about 62% more; tensile strength follows at 310 MPa (45 ksi) vs 280 MPa (40.6 ksi). In exchange, 5156-H111 is the more ductile: elongation 20% versus 13% for 5156-H32, and 5156-H32 is harder (75 HB vs 68 HB).

5156-H111Choose it when the part is bent, formed or impact-loaded.

5156-H32Choose it when strength drives the design.

5156-H111 vs 5156-H32: properties

5156-H1115156-H32

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

280 MPa40.6 ksi
310 MPa45 ksi

Yield Strength (0.2% offset)

145 MPa21 ksi
235 MPa34.1 ksi

Elongation at Break

20%
13%

Shear Strength

170 MPa24.7 ksi
185 MPa26.8 ksi

Fatigue Strength (Endurance Limit)

120 MPa17.4 ksi
130 MPa18.9 ksi

Fracture Toughness (K_IC)

42 MPa·√m38.2 ksi·√in
40 MPa·√m36.4 ksi·√in

Hardness, Brinell

68 HB
75 HB

Same in both: Elastic (Young's) Modulus 70.3 GPa10.2 Msi · Shear Modulus 26.4 GPa3.8 Msi · Bulk Modulus 68 GPa9.9 Msi · Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Same in both: Density 2.65 g/cm³0.1 lb/in³ · Melting Point (Solidus) 574°C1,065 °F · Liquidus Temperature 638°C1,180 °F

Thermal

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

Thermal Conductivity

116 W/m·K67 BTU/hr·ft·°F
118 W/m·K68.2 BTU/hr·ft·°F

Same in both: Specific Heat Capacity 900 J/kg·K0.21 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 23.9 µm/m·K13.3 µin/in·°F · Latent Heat of Fusion 395 J/g170 BTU/lb · Max Service Temperature (continuous) 65°C149 °F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 29 % IACS · Electrical Resistivity 5.9×10⁻⁸ Ω·m2.32 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

77 / 100
76 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.87 V

Manufacturability

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

Machinability

44 / 100
45 / 100

Formability (cold)

82 / 100
70 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 30% · Weldability 92 / 100 · Brazeability / Solderability 18 / 100 · Polishability 65 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 210 MJ/kg90,284 BTU/lb · Embodied Carbon (primary production) 12.5 kg CO₂/kg · Embodied Water 1,150 L/kg138 gal/lb · Typical Recycled Content 35%

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 scale5156

5156-H111 vs 5156-H32 — frequently asked

Is 5156-H32 stronger than 5156-H111?

Yes. 5156-H32 has a typical yield strength of 235 MPa (34.1 ksi) against 145 MPa (21 ksi) for 5156-H111 — about 62% more. Tensile strength is 310 MPa (45 ksi) vs 280 MPa (40.6 ksi).

Which condition does FabDigit quote by default, H111 or H32?

Specify the condition in the material field or the drawing note; FabDigit prices the quote for the state you call out.

When should I choose 5156-H111 over 5156-H32?

Pick 5156-H111 when the part is bent, formed or impact-loaded. Pick 5156-H32 when strength drives the design.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 5156-H111 and 5156-H32 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.