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EN 1.8523 Steel vs. EN 1.6920 Steel

Both EN 1.8523 steel and EN 1.6920 steel are iron alloys. Both are furnished in the quenched and tempered condition. 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 1.8523 steel and the bottom bar is EN 1.6920 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15
19
Fatigue Strength, MPa 530
290
Impact Strength: V-Notched Charpy, J 36
45
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 610
400
Tensile Strength: Ultimate (UTS), MPa 1000
640
Tensile Strength: Yield (Proof), MPa 800
420

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 480
420
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 39
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.7
Embodied Energy, MJ/kg 31
23
Embodied Water, L/kg 64
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1700
470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
22
Strength to Weight: Bending, points 28
21
Thermal Diffusivity, mm2/s 10
10
Thermal Shock Resistance, points 29
19

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.17
Chromium (Cr), % 3.0 to 3.5
0.5 to 1.0
Iron (Fe), % 93.5 to 95.7
95.7 to 98
Manganese (Mn), % 0.4 to 0.7
1.0 to 1.5
Molybdenum (Mo), % 0.8 to 1.1
0.2 to 0.35
Nickel (Ni), % 0
0.3 to 0.7
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0.15 to 0.25
0.050 to 0.1