MakeItFrom.com
Menu (ESC)

EN 1.1191 Steel vs. SAE-AISI 8660 Steel

Both EN 1.1191 steel and SAE-AISI 8660 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is SAE-AISI 8660 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
12
Fatigue Strength, MPa 210 to 290
340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 380 to 430
390
Tensile Strength: Ultimate (UTS), MPa 630 to 700
660
Tensile Strength: Yield (Proof), MPa 310 to 440
550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 47
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
73
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
23
Strength to Weight: Bending, points 21 to 22
21
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 20 to 22
19

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.56 to 0.64
Chromium (Cr), % 0 to 0.4
0.4 to 0.6
Iron (Fe), % 97.3 to 99.08
96.4 to 97.6
Manganese (Mn), % 0.5 to 0.8
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.1
0.15 to 0.25
Nickel (Ni), % 0 to 0.4
0.4 to 0.7
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040