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EN 1.8881 Steel vs. EN 1.6587 Steel

Both EN 1.8881 steel and EN 1.6587 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 1.8881 steel and the bottom bar is EN 1.6587 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160 to 220
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 830
520 to 1420

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 420
440
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 40
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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