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SAE-AISI D7 Steel vs. EN 1.4807 Stainless Steel

Both SAE-AISI D7 steel and EN 1.4807 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 1.4807 stainless 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
75
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
480

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
12
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 10
39
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 11
6.8
Embodied Energy, MJ/kg 180
97
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 16
19
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
17
Strength to Weight: Bending, points 25 to 48
17
Thermal Diffusivity, mm2/s 7.4
3.2
Thermal Shock Resistance, points 27 to 72
12

Alloy Composition

Carbon (C), % 2.2 to 2.5
0.3 to 0.5
Chromium (Cr), % 11.5 to 13.5
17 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.6 to 81.9
36.6 to 46.7
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 0.3
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 3.8 to 4.4
0