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EN 1.1191 Steel vs. EN 1.8880 Steel

Both EN 1.1191 steel and EN 1.8880 steel are iron alloys. They have a very high 97% of their average alloy composition in common. 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 1.1191 steel and the bottom bar is EN 1.8880 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
16
Fatigue Strength, MPa 210 to 290
470
Impact Strength: V-Notched Charpy, J 16 to 29
68
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 380 to 430
510
Tensile Strength: Ultimate (UTS), MPa 630 to 700
830
Tensile Strength: Yield (Proof), MPa 310 to 440
720

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
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 48
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
26
Embodied Water, L/kg 47
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
1370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
29
Strength to Weight: Bending, points 21 to 22
25
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 20 to 22
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.42 to 0.5
0 to 0.2
Chromium (Cr), % 0 to 0.4
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.3 to 99.08
91.9 to 100
Manganese (Mn), % 0.5 to 0.8
0 to 1.7
Molybdenum (Mo), % 0 to 0.1
0 to 0.7
Nickel (Ni), % 0 to 0.4
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15