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EN 1.0487 Steel vs. EN 1.8871 Steel

Both EN 1.0487 steel and EN 1.8871 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0487 steel and the bottom bar is EN 1.8871 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
22
Fatigue Strength, MPa 210
320
Impact Strength: V-Notched Charpy, J 71
68
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
380
Tensile Strength: Ultimate (UTS), MPa 440
610
Tensile Strength: Yield (Proof), MPa 280
460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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 49
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
22
Embodied Water, L/kg 49
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 0.020 to 0.024
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.16
0 to 0.18
Chromium (Cr), % 0 to 0.3
0 to 0.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 96.6 to 99.38
95.1 to 100
Manganese (Mn), % 0.6 to 1.5
0 to 1.7
Molybdenum (Mo), % 0 to 0.080
0 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 1.0
Niobium (Nb), % 0 to 0.050
0 to 0.050
Nitrogen (N), % 0 to 0.012
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.050
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050