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EN 1.8864 Steel vs. EN 1.0452 Steel

Both EN 1.8864 steel and EN 1.0452 steel are iron alloys. Both are furnished in the quenched and tempered condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.8864 steel and the bottom bar is EN 1.0452 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
25
Fatigue Strength, MPa 320
210
Impact Strength: V-Notched Charpy, J 110
51
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
270
Tensile Strength: Ultimate (UTS), MPa 610
430
Tensile Strength: Yield (Proof), MPa 460
290

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 39
48
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.1
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 50
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
94
Resilience: Unit (Modulus of Resilience), kJ/m3 550
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.17
Chromium (Cr), % 0 to 0.5
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 95.1 to 100
97.1 to 99.58
Manganese (Mn), % 0 to 1.7
0.4 to 1.2
Molybdenum (Mo), % 0 to 0.5
0 to 0.080
Nickel (Ni), % 0 to 1.0
0 to 0.3
Niobium (Nb), % 0 to 0.050
0 to 0.010
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.35
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 0.080
0 to 0.020
Zirconium (Zr), % 0 to 0.050
0