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EN 1.8888 Steel vs. EN 1.1151 Steel

Both EN 1.8888 steel and EN 1.1151 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is EN 1.1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
21 to 26
Fatigue Strength, MPa 470
180 to 240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510
300 to 330
Tensile Strength: Ultimate (UTS), MPa 830
460 to 520
Tensile Strength: Yield (Proof), MPa 720
240 to 340

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 420
400
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
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.2

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
98 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
160 to 310
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
16 to 18
Strength to Weight: Bending, points 25
17 to 18
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 24
15 to 16

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0.17 to 0.24
Chromium (Cr), % 0 to 1.5
0 to 0.4
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
97.7 to 99.43
Manganese (Mn), % 0 to 1.7
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.7
0 to 0.1
Nickel (Ni), % 0 to 2.5
0 to 0.4
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0