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EN 1.8875 Steel vs. EN 1.8881 Steel

Both EN 1.8875 steel and EN 1.8881 steel are iron alloys. Both are furnished in the quenched and tempered condition. Their average alloy composition is basically identical. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.8875 steel and the bottom bar is EN 1.8881 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
16
Fatigue Strength, MPa 340
460
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410
510
Tensile Strength: Ultimate (UTS), MPa 660
830
Tensile Strength: Yield (Proof), MPa 490
710

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 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
3.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.9
Embodied Energy, MJ/kg 24
26
Embodied Water, L/kg 52
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 650
1320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 19
24

Alloy Composition

Boron (B), % 0 to 0.0050
0 to 0.0050
Carbon (C), % 0 to 0.18
0 to 0.2
Chromium (Cr), % 0 to 1.0
0 to 1.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 93.6 to 100
91.9 to 100
Manganese (Mn), % 0 to 1.7
0 to 1.7
Molybdenum (Mo), % 0 to 0.7
0 to 0.7
Nickel (Ni), % 0 to 1.5
0 to 2.5
Niobium (Nb), % 0 to 0.050
0 to 0.060
Nitrogen (N), % 0 to 0.015
0 to 0.015
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.0080
0 to 0.0080
Titanium (Ti), % 0 to 0.050
0 to 0.050
Vanadium (V), % 0 to 0.080
0 to 0.12
Zirconium (Zr), % 0 to 0.15
0 to 0.15