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EN 1.0451 Steel vs. SAE-AISI 1141 Steel

Both EN 1.0451 steel and SAE-AISI 1141 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 EN 1.0451 steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
11 to 17
Fatigue Strength, MPa 180
270 to 430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 270
460 to 480
Tensile Strength: Ultimate (UTS), MPa 420
740 to 810
Tensile Strength: Yield (Proof), MPa 240
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 48
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
430 to 1290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
26 to 29
Strength to Weight: Bending, points 16
23 to 25
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 13
24 to 26

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.15
0.37 to 0.45
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 97.2 to 99.58
97.7 to 98.2
Manganese (Mn), % 0.4 to 1.2
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.080
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.010
0.080 to 0.13
Titanium (Ti), % 0 to 0.040
0
Vanadium (V), % 0 to 0.020
0