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SAE-AISI 1008 Steel vs. EN 1.1191 Steel

Both SAE-AISI 1008 steel and EN 1.1191 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1008 steel and the bottom bar is EN 1.1191 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 93 to 100
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22 to 33
16 to 17
Fatigue Strength, MPa 150 to 220
210 to 290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 220 to 230
380 to 430
Tensile Strength: Ultimate (UTS), MPa 330 to 370
630 to 700
Tensile Strength: Yield (Proof), MPa 190 to 310
310 to 440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 62
48
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 45
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 91
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 260
260 to 510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 13
22 to 25
Strength to Weight: Bending, points 13 to 15
21 to 22
Thermal Diffusivity, mm2/s 17
13
Thermal Shock Resistance, points 10 to 12
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.1
0.42 to 0.5
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 99.31 to 99.7
97.3 to 99.08
Manganese (Mn), % 0.3 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.035