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SAE-AISI D7 Steel vs. EN 1.4563 Stainless Steel

Both SAE-AISI D7 steel and EN 1.4563 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, 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 1.4563 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
80
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
620

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
12
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 10
36
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 11
6.3
Embodied Energy, MJ/kg 180
87
Embodied Water, L/kg 130
240

Common Calculations

PREN (Pitting Resistance) 16
39
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
21
Strength to Weight: Bending, points 25 to 48
20
Thermal Diffusivity, mm2/s 7.4
3.2
Thermal Shock Resistance, points 27 to 72
13

Alloy Composition

Carbon (C), % 2.2 to 2.5
0 to 0.020
Chromium (Cr), % 11.5 to 13.5
26 to 28
Copper (Cu), % 0 to 0.25
0.7 to 1.5
Iron (Fe), % 76.6 to 81.9
31.6 to 40.3
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.2
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
30 to 32
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 3.8 to 4.4
0