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SAE-AISI D5 Steel vs. EN 1.4021 Stainless Steel

Both SAE-AISI D5 steel and EN 1.4021 stainless steel are iron alloys. They have a moderately high 94% 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 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
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
390 to 530
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
630 to 880

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.5
1.9
Embodied Energy, MJ/kg 51
27
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 15
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 73
23 to 31
Strength to Weight: Bending, points 24 to 46
21 to 26
Thermal Diffusivity, mm2/s 7.4
8.1
Thermal Shock Resistance, points 26 to 67
22 to 31

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.16 to 0.25
Chromium (Cr), % 11 to 13
12 to 14
Cobalt (Co), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 77.9 to 84.4
83.2 to 87.8
Manganese (Mn), % 0 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
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 0.015
Vanadium (V), % 0 to 1.0
0

Comparable Variants