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EN 1.7390 Steel vs. EN 1.5414 Steel

Both EN 1.7390 steel and EN 1.5414 steel are iron alloys. They have a very high 95% 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 1.5414 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
22
Fatigue Strength, MPa 310
250 to 270
Impact Strength: V-Notched Charpy, J 46
46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 440
350 to 370
Tensile Strength: Ultimate (UTS), MPa 710
550 to 580
Tensile Strength: Yield (Proof), MPa 480
350 to 380

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
410
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 69
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 600
320 to 370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
19 to 20
Strength to Weight: Bending, points 23
19 to 20
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 20
16 to 17

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.2
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
96.4 to 98.7
Manganese (Mn), % 0.3 to 0.8
0.9 to 1.5
Molybdenum (Mo), % 0.45 to 0.65
0.45 to 0.6
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.0050