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SAE-AISI 1050 Steel vs. EN 1.0045 Steel

Both SAE-AISI 1050 steel and EN 1.0045 steel are iron alloys. Their average alloy composition is basically identical. 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 1050 steel and the bottom bar is EN 1.0045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
20
Fatigue Strength, MPa 260 to 400
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 430 to 470
330
Tensile Strength: Ultimate (UTS), MPa 690 to 790
530
Tensile Strength: Yield (Proof), MPa 390 to 650
330

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 51
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
93
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1130
290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
19
Strength to Weight: Bending, points 22 to 24
18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 22 to 25
17

Alloy Composition

Carbon (C), % 0.48 to 0.55
0 to 0.27
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 98.5 to 98.9
96.7 to 100
Manganese (Mn), % 0.6 to 0.9
0 to 1.7
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0 to 0.050
0 to 0.045