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SAE-AISI D5 Steel vs. EN 1.4378 Stainless Steel

Both SAE-AISI D5 steel and EN 1.4378 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.4 to 14
14 to 34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 470 to 1180
510 to 680
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
760 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 51
39
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 15
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 73
28 to 41
Strength to Weight: Bending, points 24 to 46
24 to 31
Thermal Shock Resistance, points 26 to 67
16 to 23

Alloy Composition

Carbon (C), % 1.4 to 1.6
0 to 0.080
Chromium (Cr), % 11 to 13
17 to 19
Cobalt (Co), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 77.9 to 84.4
61.2 to 69
Manganese (Mn), % 0 to 0.6
11.5 to 14.5
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.0
0