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SAE-AISI 1146 Steel vs. EN 1.0503 Steel

Both SAE-AISI 1146 steel and EN 1.0503 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 1146 steel and the bottom bar is EN 1.0503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 17
16
Fatigue Strength, MPa 240 to 400
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 410 to 440
380
Tensile Strength: Ultimate (UTS), MPa 670 to 730
630
Tensile Strength: Yield (Proof), MPa 360 to 630
310

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
48
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
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 93 to 97
83
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1050
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 26
22
Strength to Weight: Bending, points 22 to 23
21
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 20 to 22
20

Alloy Composition

Carbon (C), % 0.42 to 0.49
0.42 to 0.5
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 98.3 to 98.8
97.3 to 99.08
Manganese (Mn), % 0.7 to 1.0
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 0.045
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0.080 to 0.13
0 to 0.045