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SAE-AISI A2 Steel vs. EN 1.8875 Steel

Both SAE-AISI A2 steel and EN 1.8875 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A2 steel and the bottom bar is EN 1.8875 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
660

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
3.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 38
24
Embodied Water, L/kg 73
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 73
23
Strength to Weight: Bending, points 23 to 46
21
Thermal Diffusivity, mm2/s 10
10
Thermal Shock Resistance, points 25 to 71
19

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 1.0 to 1.1
0 to 0.18
Chromium (Cr), % 4.8 to 5.5
0 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 89.4 to 93.3
93.6 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.7
Molybdenum (Mo), % 0.9 to 1.4
0 to 0.7
Nickel (Ni), % 0 to 0.3
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0080
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0.15 to 0.5
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15