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SAE-AISI D5 Steel vs. EN 1.7779 Steel

Both SAE-AISI D5 steel and EN 1.7779 steel are iron alloys. They have 86% 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 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.4 to 14
16
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 470 to 1180
500
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
810

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 51
41
Embodied Water, L/kg 120
64

Common Calculations

PREN (Pitting Resistance) 15
5.0
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 73
29
Strength to Weight: Bending, points 24 to 46
25
Thermal Diffusivity, mm2/s 7.4
11
Thermal Shock Resistance, points 26 to 67
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 1.4 to 1.6
0.17 to 0.23
Chromium (Cr), % 11 to 13
3.0 to 3.3
Cobalt (Co), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 77.9 to 84.4
93.8 to 95.4
Manganese (Mn), % 0 to 0.6
0.3 to 0.5
Molybdenum (Mo), % 0.7 to 1.2
0.5 to 0.6
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0 to 1.0
0.45 to 0.55