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SAE-AISI 4145 Steel vs. EN 1.0214 Steel

Both SAE-AISI 4145 steel and EN 1.0214 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 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 SAE-AISI 4145 steel and the bottom bar is EN 1.0214 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
97 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
12 to 31
Fatigue Strength, MPa 240
160 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 46
66 to 80
Shear Modulus, GPa 73
73
Shear Strength, MPa 360
250 to 290
Tensile Strength: Ultimate (UTS), MPa 580
330 to 460
Tensile Strength: Yield (Proof), MPa 360
210 to 360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 42
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 51
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
34 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 350
120 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
12 to 16
Strength to Weight: Bending, points 20
14 to 17
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 17
11 to 14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.43 to 0.48
0.080 to 0.12
Chromium (Cr), % 0.8 to 1.1
0
Iron (Fe), % 96.7 to 97.7
99.17 to 99.6
Manganese (Mn), % 0.75 to 1.0
0.3 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.025