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SAE-AISI D5 Steel vs. EN 1.4742 Stainless Steel

Both SAE-AISI D5 steel and EN 1.4742 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.4 to 14
17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 470 to 1180
370
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
600

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 27
19
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.0
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.5
2.2
Embodied Energy, MJ/kg 51
32
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 15
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 73
22
Strength to Weight: Bending, points 24 to 46
21
Thermal Diffusivity, mm2/s 7.4
5.1
Thermal Shock Resistance, points 26 to 67
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 1.4 to 1.6
0 to 0.12
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
77.2 to 81.6
Manganese (Mn), % 0 to 0.6
0 to 1.0
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
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.0
0