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SAE-AISI D2 Steel vs. EN 1.4123 Stainless Steel

Both SAE-AISI D2 steel and EN 1.4123 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D2 steel and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 760 to 2000
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
23
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
10
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
4.2
Embodied Energy, MJ/kg 50
62
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 15
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 72
26 to 29
Strength to Weight: Bending, points 24 to 46
23 to 25
Thermal Diffusivity, mm2/s 8.3
6.3
Thermal Shock Resistance, points 25 to 67
26 to 29

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.35 to 0.5
Chromium (Cr), % 11 to 13
14 to 16.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.3 to 86.9
76.7 to 84.6
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
1.0 to 2.5
Nickel (Ni), % 0 to 0.3
0 to 0.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.1
0 to 1.5

Comparable Variants