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EN 1.6587 Steel vs. EN 1.8881 Steel

Both EN 1.6587 steel and EN 1.8881 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.6587 steel and the bottom bar is EN 1.8881 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 220
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 520 to 1420
830

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 440
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 41
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
3.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.9
Embodied Energy, MJ/kg 22
26
Embodied Water, L/kg 58
54

Common Calculations

PREN (Pitting Resistance) 2.6
2.0
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 50
29
Strength to Weight: Bending, points 18 to 36
25
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 15 to 42
24

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.15 to 0.21
0 to 0.2
Chromium (Cr), % 1.5 to 1.8
0 to 1.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 94.4 to 96.4
91.9 to 100
Manganese (Mn), % 0.5 to 0.9
0 to 1.7
Molybdenum (Mo), % 0.25 to 0.35
0 to 0.7
Nickel (Ni), % 1.4 to 1.7
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0080
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15