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SAE-AISI D7 Steel vs. EN 1.4523 Stainless Steel

Both SAE-AISI D7 steel and EN 1.4523 stainless steel are iron alloys. They have a moderately high 92% 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 SAE-AISI D7 steel and the bottom bar is EN 1.4523 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
520

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
22
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 11
2.9
Embodied Energy, MJ/kg 180
40
Embodied Water, L/kg 130
130

Common Calculations

PREN (Pitting Resistance) 16
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 78
18
Strength to Weight: Bending, points 25 to 48
18
Thermal Diffusivity, mm2/s 7.4
5.8
Thermal Shock Resistance, points 27 to 72
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 2.2 to 2.5
0 to 0.030
Chromium (Cr), % 11.5 to 13.5
17.5 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.6 to 81.9
75.7 to 80.2
Manganese (Mn), % 0 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.7 to 1.2
2.0 to 2.5
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
0.15 to 0.35
Titanium (Ti), % 0
0.15 to 0.8
Vanadium (V), % 3.8 to 4.4
0