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EN 1.7228 Steel vs. SAE-AISI 5150 Steel

Both EN 1.7228 steel and SAE-AISI 5150 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7228 steel and the bottom bar is SAE-AISI 5150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
21
Fatigue Strength, MPa 390
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 540
360
Tensile Strength: Ultimate (UTS), MPa 900
580
Tensile Strength: Yield (Proof), MPa 630
350

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1050
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 26
17

Alloy Composition

Carbon (C), % 0.46 to 0.54
0.48 to 0.53
Chromium (Cr), % 0.9 to 1.2
0.7 to 0.9
Iron (Fe), % 96.7 to 98
97.2 to 98
Manganese (Mn), % 0.5 to 0.8
0.7 to 0.9
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040