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EN 1.8881 Steel vs. SAE-AISI 1547 Steel

Both EN 1.8881 steel and SAE-AISI 1547 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8881 steel and the bottom bar is SAE-AISI 1547 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
11 to 17
Fatigue Strength, MPa 460
270 to 430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510
440 to 480
Tensile Strength: Ultimate (UTS), MPa 830
740 to 800
Tensile Strength: Yield (Proof), MPa 710
400 to 690

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
51
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
1.9
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 120
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
430 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
26 to 28
Strength to Weight: Bending, points 25
23 to 24
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 24
23 to 25

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0.43 to 0.51
Chromium (Cr), % 0 to 1.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
97.8 to 98.2
Manganese (Mn), % 0 to 1.7
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.0080
0 to 0.050
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0