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SAE-AISI D5 Steel vs. EN 1.4594 Stainless Steel

Both SAE-AISI D5 steel and EN 1.4594 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D5 steel and the bottom bar is EN 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.4 to 14
11 to 17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 470 to 1180
620 to 700
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
1020 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.5
3.2
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 15
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 73
36 to 41
Strength to Weight: Bending, points 24 to 46
29 to 31
Thermal Diffusivity, mm2/s 7.4
4.4
Thermal Shock Resistance, points 26 to 67
34 to 39

Alloy Composition

Carbon (C), % 1.4 to 1.6
0 to 0.070
Chromium (Cr), % 11 to 13
13 to 15
Cobalt (Co), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 77.9 to 84.4
72.6 to 79.5
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
1.2 to 2.0
Nickel (Ni), % 0 to 0.3
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.0
0