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EN 1.8503 Steel vs. SAE-AISI 1030 Steel

Both EN 1.8503 steel and SAE-AISI 1030 steel are iron alloys. They have a very high 97% 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 EN 1.8503 steel and the bottom bar is SAE-AISI 1030 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
14 to 22
Fatigue Strength, MPa 600
210 to 320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 610
330 to 360
Tensile Strength: Ultimate (UTS), MPa 1000
530 to 590
Tensile Strength: Yield (Proof), MPa 910
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 33
18
Embodied Water, L/kg 57
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
230 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 35
19 to 21
Strength to Weight: Bending, points 28
18 to 20
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 29
17 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.16 to 0.24
0.28 to 0.34
Chromium (Cr), % 1.2 to 1.5
0
Iron (Fe), % 95.8 to 97.5
98.7 to 99.12
Manganese (Mn), % 0.4 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.65 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0 to 0.050
Vanadium (V), % 0.25 to 0.35
0