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EN 1.8519 Steel vs. SAE-AISI 4137 Steel

Both EN 1.8519 steel and SAE-AISI 4137 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 1.8519 steel and the bottom bar is SAE-AISI 4137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 360
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10
23
Fatigue Strength, MPa 630
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 710
350
Tensile Strength: Ultimate (UTS), MPa 1200
550
Tensile Strength: Yield (Proof), MPa 1030
340

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
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 40
45
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 26
20
Embodied Water, L/kg 58
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2790
310
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 43
20
Strength to Weight: Bending, points 32
19
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 35
18

Alloy Composition

Carbon (C), % 0.27 to 0.34
0.35 to 0.4
Chromium (Cr), % 2.3 to 2.7
0.8 to 1.1
Iron (Fe), % 95.7 to 97.1
96.9 to 97.9
Manganese (Mn), % 0.4 to 0.7
0.7 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
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
Vanadium (V), % 0.1 to 0.2
0