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EN 1.0237 Steel vs. SAE-AISI 4150 Steel

Both EN 1.0237 steel and SAE-AISI 4150 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0237 steel and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 380
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
12 to 20
Fatigue Strength, MPa 250
260 to 780
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 290
410 to 800
Tensile Strength: Ultimate (UTS), MPa 470
660 to 1310
Tensile Strength: Yield (Proof), MPa 360
380 to 1220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 52
42
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88
82 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 340
380 to 3930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
24 to 47
Strength to Weight: Bending, points 17
22 to 34
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 15
19 to 39

Alloy Composition

Carbon (C), % 0 to 0.2
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Iron (Fe), % 98 to 100
96.7 to 97.7
Manganese (Mn), % 0 to 1.4
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.35
0.15 to 0.35
Sulfur (S), % 0 to 0.045
0 to 0.040