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EN 1.3520 Steel vs. EN 1.7378 Steel

Both EN 1.3520 steel and EN 1.7378 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3520 steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 220
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 620 to 730
700

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 430
460
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 43
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
33
Embodied Water, L/kg 54
61

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 26
25
Strength to Weight: Bending, points 21 to 23
22
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 18 to 22
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.93 to 1.1
0.050 to 0.1
Chromium (Cr), % 1.4 to 1.7
2.2 to 2.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.9 to 97.2
94.6 to 96.1
Manganese (Mn), % 1.0 to 1.2
0.3 to 0.7
Molybdenum (Mo), % 0 to 0.1
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.45 to 0.75
0.15 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3