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EN 1.8874 Steel vs. EN 1.0473 Steel

Both EN 1.8874 steel and EN 1.0473 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8874 steel and the bottom bar is EN 1.0473 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
22
Fatigue Strength, MPa 340
250
Impact Strength: V-Notched Charpy, J 68
46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410
360
Tensile Strength: Ultimate (UTS), MPa 660
570
Tensile Strength: Yield (Proof), MPa 500
360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
2.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 52
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 670
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0.1 to 0.22
Chromium (Cr), % 0 to 1.0
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 93.6 to 100
96.3 to 98.8
Manganese (Mn), % 0 to 1.7
1.1 to 1.7
Molybdenum (Mo), % 0 to 0.7
0 to 0.080
Nickel (Ni), % 0 to 1.5
0 to 0.3
Niobium (Nb), % 0 to 0.050
0 to 0.040
Nitrogen (N), % 0 to 0.015
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0 to 0.080
0 to 0.020
Zirconium (Zr), % 0 to 0.15
0