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EN 1.8881 Steel vs. EN 1.0491 Steel

Both EN 1.8881 steel and EN 1.0491 steel are iron alloys. They have a very high 98% 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 1.8881 steel and the bottom bar is EN 1.0491 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
26
Fatigue Strength, MPa 460
200
Impact Strength: V-Notched Charpy, J 90
49
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510
280
Tensile Strength: Ultimate (UTS), MPa 830
440
Tensile Strength: Yield (Proof), MPa 710
270

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
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 26
21
Embodied Water, L/kg 54
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
99
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 24
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.18
Chromium (Cr), % 0 to 1.5
0 to 0.35
Copper (Cu), % 0 to 0.3
0 to 0.6
Iron (Fe), % 91.9 to 100
96.1 to 99.55
Manganese (Mn), % 0 to 1.7
0.45 to 1.6
Molybdenum (Mo), % 0 to 0.7
0 to 0.13
Nickel (Ni), % 0 to 2.5
0 to 0.35
Niobium (Nb), % 0 to 0.060
0 to 0.060
Nitrogen (N), % 0 to 0.015
0 to 0.017
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.45
Sulfur (S), % 0 to 0.0080
0 to 0.025
Titanium (Ti), % 0 to 0.050
0 to 0.060
Vanadium (V), % 0 to 0.12
0 to 0.070
Zirconium (Zr), % 0 to 0.15
0