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EN 1.7390 Steel vs. EN 1.0108 Steel

Both EN 1.7390 steel and EN 1.0108 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 32 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 1.7390 steel and the bottom bar is EN 1.0108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
29
Fatigue Strength, MPa 310
150
Impact Strength: V-Notched Charpy, J 46
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 440
250
Tensile Strength: Ultimate (UTS), MPa 710
380
Tensile Strength: Yield (Proof), MPa 480
200

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
400
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
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 69
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
94
Resilience: Unit (Modulus of Resilience), kJ/m3 600
110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
13
Strength to Weight: Bending, points 23
15
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.18
0 to 0.13
Chromium (Cr), % 4.0 to 6.0
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
97.5 to 99.98
Manganese (Mn), % 0.3 to 0.8
0 to 0.7
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020