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EN 1.7379 Steel vs. SAE-AISI 5015 Steel

Both EN 1.7379 steel and SAE-AISI 5015 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7379 steel and the bottom bar is SAE-AISI 5015 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
27
Fatigue Strength, MPa 320
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 670
430
Tensile Strength: Yield (Proof), MPa 460
220

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
410
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 39
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 59
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
97
Resilience: Unit (Modulus of Resilience), kJ/m3 550
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0.13 to 0.2
0.12 to 0.17
Chromium (Cr), % 2.0 to 2.5
0.3 to 0.5
Iron (Fe), % 94.5 to 96.5
98.4 to 99.13
Manganese (Mn), % 0.5 to 0.9
0.3 to 0.5
Molybdenum (Mo), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040