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EN 1.4378 Stainless Steel vs. SAE-AISI D5 Steel

Both EN 1.4378 stainless steel and SAE-AISI D5 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 EN 1.4378 stainless steel and the bottom bar is SAE-AISI D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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