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EN 1.5450 Steel vs. SAE-AISI 1049 Steel

Both EN 1.5450 steel and SAE-AISI 1049 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 1.5450 steel and the bottom bar is SAE-AISI 1049 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
11 to 17
Fatigue Strength, MPa 310
250 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 380
420 to 450
Tensile Strength: Ultimate (UTS), MPa 620
680 to 750
Tensile Strength: Yield (Proof), MPa 460
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 49
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 49
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
75 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 550
370 to 1090
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
24 to 27
Strength to Weight: Bending, points 20
22 to 23
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 18
22 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Boron (B), % 0.0020 to 0.0060
0
Carbon (C), % 0.060 to 0.1
0.46 to 0.53
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 97.6 to 98.8
98.5 to 98.9
Manganese (Mn), % 0.6 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.4 to 0.5
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0
Sulfur (S), % 0 to 0.010
0 to 0.050
Titanium (Ti), % 0 to 0.060
0