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SAE-AISI 1043 Steel vs. EN 1.7378 Steel

Both SAE-AISI 1043 steel and EN 1.7378 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1043 steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 18
17
Fatigue Strength, MPa 230 to 390
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 400 to 430
430
Tensile Strength: Ultimate (UTS), MPa 650 to 710
700
Tensile Strength: Yield (Proof), MPa 350 to 600
490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
33
Embodied Water, L/kg 46
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 980
630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 25
25
Strength to Weight: Bending, points 21 to 22
22
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 21 to 22
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.4 to 0.47
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Iron (Fe), % 98.4 to 98.9
94.6 to 96.1
Manganese (Mn), % 0.7 to 1.0
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0.15 to 0.45
Sulfur (S), % 0 to 0.050
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3