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EN 1.3518 Steel vs. EN 1.7380 Steel

Both EN 1.3518 steel and EN 1.7380 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 1.3518 steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 170
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 630
540 to 550

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 420
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 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 51
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
19 to 20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.080 to 0.14
Chromium (Cr), % 0.9 to 1.2
2.0 to 2.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 96.3 to 97.8
94.6 to 96.6
Manganese (Mn), % 0.9 to 1.2
0.4 to 0.8
Molybdenum (Mo), % 0 to 0.1
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.012
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 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010