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EN 1.6571 Steel vs. EN 1.8881 Steel

Both EN 1.6571 steel and EN 1.8881 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.6571 steel and the bottom bar is EN 1.8881 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
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 1460
830

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
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 53
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 51
29
Strength to Weight: Bending, points 18 to 36
25
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 15 to 43
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.16 to 0.23
0 to 0.2
Chromium (Cr), % 0.6 to 0.9
0 to 1.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 95.3 to 97.1
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
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 0.8
Sulfur (S), % 0.020 to 0.040
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