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EN 1.5402 Steel vs. EN 1.8505 Steel

Both EN 1.5402 steel and EN 1.8505 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.5402 steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
13
Fatigue Strength, MPa 260
540
Impact Strength: V-Notched Charpy, J 45
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370
630
Tensile Strength: Ultimate (UTS), MPa 580
1050
Tensile Strength: Yield (Proof), MPa 370
860

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
440
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 22
22
Embodied Water, L/kg 49
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 360
1950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
37
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 17
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.18
0.28 to 0.35
Chromium (Cr), % 0
1.5 to 1.8
Iron (Fe), % 97.3 to 98.7
95.4 to 97.1
Manganese (Mn), % 0.9 to 1.4
0.4 to 0.7
Molybdenum (Mo), % 0.4 to 0.6
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0.040 to 0.080
0