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Magnesium Alloy EN-MC21110-F vs EN-MC21110-T4

Magnesium Alloy · EN-MC21110 temper comparison

EN-MC21110-F and EN-MC21110-T4 are two conditions of the same magnesium alloy grade, EN-MC21110: F (as fabricated) versus T4 (solution heat treated and naturally aged). The chemistry is identical, so every difference below comes from the condition. EN-MC21110-F is the stronger of the two: yield strength 110 MPa (16 ksi) against 90 MPa (13.1 ksi) for EN-MC21110-T4, about 22% more. In exchange, EN-MC21110-T4 is the more ductile: elongation 12% versus 3% for EN-MC21110-F, and EN-MC21110-F is harder (65 HB vs 55 HB). EN-MC21110-F conducts electricity better (12 % IACS vs 10 % IACS).

EN-MC21110-FChoose it when strength drives the design.

EN-MC21110-T4Choose it when the part is bent, formed or impact-loaded.

EN-MC21110-F vs EN-MC21110-T4: properties

EN-MC21110-FEN-MC21110-T4

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

200 MPa29 ksi
275 MPa39.9 ksi

Yield Strength (0.2% offset)

110 MPa16 ksi
90 MPa13.1 ksi

Elongation at Break

3%
12%

Compressive Strength

320 MPa46.4 ksi
300 MPa43.5 ksi

Shear Strength

140 MPa20.3 ksi
122 MPa17.7 ksi

Fatigue Strength (Endurance Limit)

80 MPa11.6 ksi
75 MPa10.9 ksi

Fracture Toughness (K_IC)

12 MPa·√m10.9 ksi·√in
17 MPa·√m15.5 ksi·√in

Charpy V-Notch Impact (RT)

2 J1.5 ft·lbf
6 J4.4 ft·lbf

Hardness, Brinell

65 HB
55 HB

Hardness, Vickers

70 HV
58 HV

Same in both: Elastic (Young's) Modulus 45 GPa6.5 Msi · Shear Modulus 17 GPa2.5 Msi · Bulk Modulus 45 GPa6.5 Msi · Poisson's Ratio 0.35

Physical

Density and transition temperatures.

Same in both: Density 1.81 g/cm³0.07 lb/in³ · Melting Point (Solidus) 470°C878 °F · Liquidus Temperature 595°C1,103 °F

Thermal

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

Thermal Conductivity

72 W/m·K41.6 BTU/hr·ft·°F
66 W/m·K38.1 BTU/hr·ft·°F

Same in both: Specific Heat Capacity 1,020 J/kg·K0.24 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 26 µm/m·K14.4 µin/in·°F · Latent Heat of Fusion 373 J/g160 BTU/lb · Max Service Temperature (continuous) 120°C248 °F · Min Service Temperature -60°C-76 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

12 % IACS
10 % IACS

Electrical Resistivity

1.4×10⁻⁷ Ω·m5.51 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

30 / 100
32 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -1.55 V

Manufacturability

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

Weldability

65 / 100
70 / 100

Formability (cold)

15 / 100
25 / 100

Same in both: Machinability 95 / 100 · Machinability Rating (AISI 1212 = 100 %) 400% · Castability 92 / 100 · Brazeability / Solderability 25 / 100 · Polishability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

300 MJ/kg128,977 BTU/lb
305 MJ/kg131,127 BTU/lb

Embodied Carbon (primary production)

32 kg CO₂/kg
33 kg CO₂/kg

Same in both: Embodied Water 500 L/kg59.9 gal/lb · Typical Recycled Content 30%

Strength versus weight

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

701001502001.41.51.61.71.8Density (g/cm³)Yield strength (MPa) — log scaleEN-MC21110

EN-MC21110-F vs EN-MC21110-T4 — frequently asked

Is EN-MC21110-F stronger than EN-MC21110-T4?

Yes. EN-MC21110-F has a typical yield strength of 110 MPa (16 ksi) against 90 MPa (13.1 ksi) for EN-MC21110-T4 — about 22% more. Tensile strength is 200 MPa (29 ksi) vs 275 MPa (39.9 ksi).

Which condition does FabDigit quote by default, F or T4?

F is the default EN-MC21110 condition in the FabDigit quote flow. 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.

Which welds better, EN-MC21110-F or EN-MC21110-T4?

EN-MC21110-T4. Its weldability rates very good (70/100) against good (65/100) for EN-MC21110-F.

Ready to make it?

Upload a CAD file and FabDigit prices the part in EN-MC21110-F and EN-MC21110-T4 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.