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SAE-AISI D7 Steel vs. EN 1.6554 Steel

Both SAE-AISI D7 steel and EN 1.6554 steel are iron alloys. They have 81% of their average alloy composition in common. There are 21 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 D7 steel and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
780 to 930

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
40
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.4
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 11
1.7
Embodied Energy, MJ/kg 180
22
Embodied Water, L/kg 130
53

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
27 to 33
Strength to Weight: Bending, points 25 to 48
24 to 27
Thermal Diffusivity, mm2/s 7.4
11
Thermal Shock Resistance, points 27 to 72
23 to 27

Alloy Composition

Carbon (C), % 2.2 to 2.5
0.23 to 0.28
Chromium (Cr), % 11.5 to 13.5
0.7 to 0.9
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 76.6 to 81.9
94.6 to 97.3
Manganese (Mn), % 0 to 0.6
0.6 to 0.9
Molybdenum (Mo), % 0.7 to 1.2
0.2 to 0.3
Nickel (Ni), % 0 to 0.3
1.0 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 3.8 to 4.4
0 to 0.030

Comparable Variants