FabDigit

ER1188 vs 1100 and 2 more: properties

ER1188110023195183

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

68 GPa9.9 Msi
69 GPa10 Msi
73 GPa10.6 Msi
71 GPa10.3 Msi

Shear Modulus

25.5 GPa3.7 Msi
26 GPa3.8 Msi
27 GPa3.9 Msi
26.4 GPa3.8 Msi

Bulk Modulus

75 GPa10.9 Msi
76 GPa11 Msi
75 GPa10.9 Msi
70 GPa10.2 Msi

Tensile Strength (Ultimate)

50 MPa7.3 ksi
125 MPa18.1 ksi
200 MPa29 ksi
300 MPa43.5 ksi

Yield Strength (0.2% offset)

20 MPa2.9 ksi
115 MPa16.7 ksi
110 MPa16 ksi
145 MPa21 ksi

Elongation at Break

45%
12%
16%
20%

Shear Strength

38 MPa5.5 ksi
75 MPa10.9 ksi
130 MPa18.9 ksi
175 MPa25.4 ksi

Fatigue Strength (Endurance Limit)

20 MPa2.9 ksi
48 MPa7 ksi
70 MPa10.2 ksi
145 MPa21 ksi

Hardness, Brinell

18 HB
32 HB
60 HB
80 HB

Hardness, Vickers

35 HV

Fracture Toughness (K_IC)

32 MPa·√m29.1 ksi·√in
28 MPa·√m25.5 ksi·√in

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.7 g/cm³0.1 lb/in³
2.71 g/cm³0.1 lb/in³
2.84 g/cm³0.1 lb/in³
2.66 g/cm³0.1 lb/in³

Melting Point (Solidus)

657°C1,215 °F
643°C1,189 °F
543°C1,009 °F
574°C1,065 °F

Liquidus Temperature

660°C1,220 °F
657°C1,215 °F
643°C1,189 °F
638°C1,180 °F

Thermal

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

Thermal Conductivity

234 W/m·K135 BTU/hr·ft·°F
222 W/m·K128 BTU/hr·ft·°F
170 W/m·K98.2 BTU/hr·ft·°F
117 W/m·K67.6 BTU/hr·ft·°F

Specific Heat Capacity

900 J/kg·K0.21 BTU/lb·°F
904 J/kg·K0.22 BTU/lb·°F
864 J/kg·K0.21 BTU/lb·°F
900 J/kg·K0.21 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

23.6 µm/m·K13.1 µin/in·°F
23.6 µm/m·K13.1 µin/in·°F
22.3 µm/m·K12.4 µin/in·°F
23.4 µm/m·K13 µin/in·°F

Latent Heat of Fusion

397 J/g171 BTU/lb
397 J/g171 BTU/lb
385 J/g166 BTU/lb
397 J/g171 BTU/lb

Max Service Temperature (continuous)

150°C302 °F
120°C248 °F
175°C347 °F
65°C149 °F

Min Service Temperature

-269°C-452 °F
-273°C-459 °F
-253°C-423 °F
-270°C-454 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

64 % IACS
57 % IACS
44 % IACS
29 % IACS

Electrical Resistivity

2.67×10⁻⁸ Ω·m1.05 µΩ·in
3.02×10⁻⁸ Ω·m1.19 µΩ·in
3.9×10⁻⁸ Ω·m1.54 µΩ·in
5.9×10⁻⁸ Ω·m2.32 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.85 V
-0.83 V
-0.64 V
-0.87 V

Corrosion Resistance

78 / 100
78 / 100
32 / 100
75 / 100

Manufacturability

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

Machinability

25 / 100
38 / 100
62 / 100
50 / 100

Machinability Rating (AISI 1212 = 100 %)

30%
30%
55%
45%

Weldability

96 / 100
95 / 100
92 / 100
95 / 100

Formability (cold)

98 / 100
85 / 100
55 / 100
70 / 100

Castability

45 / 100
30 / 100
60 / 100
25 / 100

Brazeability / Solderability

85 / 100
92 / 100
20 / 100
15 / 100

Polishability

92 / 100
80 / 100
55 / 100
60 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

240 MJ/kg103,182 BTU/lb
210 MJ/kg90,284 BTU/lb
205 MJ/kg88,134 BTU/lb
200 MJ/kg85,985 BTU/lb

Embodied Carbon (primary production)

16 kg CO₂/kg
12.5 kg CO₂/kg
12.5 kg CO₂/kg
12.5 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
1,200 L/kg144 gal/lb
1,150 L/kg138 gal/lb
1,200 L/kg144 gal/lb

Typical Recycled Content

0%
25%
10%
30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

19 kN·m/kg
46 kN·m/kg
70 kN·m/kg
113 kN·m/kg

Specific Stiffness (E / density)

25.2 MN·m/kg
25.5 MN·m/kg
25.7 MN·m/kg
26.7 MN·m/kg

Modulus of Resilience

3 kJ/m³
96 kJ/m³
83 kJ/m³
148 kJ/m³

Thermal Diffusivity

96.3 mm²/s
90.6 mm²/s
69.3 mm²/s
48.9 mm²/s

Thermal Shock Resistance Index

7
17
21
21

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 scale110023195183ER1188

Manufacturing and finishing

CapabilityER1188110023195183
CNC machiningYesYesYes
Sheet metalYesYesYes
Default condition
Relative cost$$$$ High$ Budget$$$ Premium$$ Standard
Min. machined wall0.5 mm0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µmRa 0.8 µm
Anodizing Type IIYesYesYes
CerakoteYesYesYes
Chem Film (Alodine)YesYesYes
DLCYesYesYes
E-CoatingYesYesYes
ElectropolishingYesYesYes
Hard Anodize Type III w/ PTFEYesYesYes
Hard Anodizing Type IIIYesYesYes
Nickel PlatingYesYesYes
PTFE CoatingYesYesYes
PaintingYesYesYes
Powder CoatingYesYesYes

They share 4 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Silver Plating.

Ready to make it?

Upload a CAD file and FabDigit prices the part in ER1188 and 1100 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.