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SAE-AISI D7 Steel vs. AISI 416Se Stainless Steel

Both SAE-AISI D7 steel and AISI 416Se 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 (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 AISI 416Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
540

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
30
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.0
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 11
1.9
Embodied Energy, MJ/kg 180
27
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 16
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 78
20
Strength to Weight: Bending, points 25 to 48
19
Thermal Diffusivity, mm2/s 7.4
8.1
Thermal Shock Resistance, points 27 to 72
20

Alloy Composition

Carbon (C), % 2.2 to 2.5
0 to 0.15
Chromium (Cr), % 11.5 to 13.5
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.6 to 81.9
83.1 to 87.9
Manganese (Mn), % 0 to 0.6
0 to 1.3
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.060
Vanadium (V), % 3.8 to 4.4
0