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SAE-AISI D3 Steel vs. EN 1.1221 Steel

Both SAE-AISI D3 steel and EN 1.1221 steel are iron alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D3 steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.8 to 15
10 to 21
Fatigue Strength, MPa 310 to 940
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
72
Shear Strength, MPa 470 to 1220
450 to 520
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
730 to 870
Tensile Strength: Yield (Proof), MPa 480 to 1550
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
48
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 48
19
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
67 to 130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 74
26 to 31
Strength to Weight: Bending, points 24 to 47
23 to 26
Thermal Diffusivity, mm2/s 8.3
13
Thermal Shock Resistance, points 23 to 63
23 to 28

Alloy Composition

Carbon (C), % 2.0 to 2.4
0.57 to 0.65
Chromium (Cr), % 11 to 13.5
0 to 0.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.3 to 87
97.1 to 98.8
Manganese (Mn), % 0 to 0.6
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0

Comparable Variants