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S32615 Stainless Steel vs. SAE-AISI D7 Steel

Both S32615 stainless steel and SAE-AISI D7 steel are iron alloys. They have 66% of their average alloy composition in common. There are 20 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 S32615 stainless steel and the bottom bar is SAE-AISI D7 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 75
73
Tensile Strength: Ultimate (UTS), MPa 620
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Melting Completion (Liquidus), °C 1350
1440
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
10
Density, g/cm3 7.6
7.6
Embodied Carbon, kg CO2/kg material 4.4
11
Embodied Energy, MJ/kg 63
180
Embodied Water, L/kg 170
130

Common Calculations

PREN (Pitting Resistance) 21
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
29 to 78
Strength to Weight: Bending, points 21
25 to 48
Thermal Shock Resistance, points 15
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.070
2.2 to 2.5
Chromium (Cr), % 16.5 to 19.5
11.5 to 13.5
Copper (Cu), % 1.5 to 2.5
0 to 0.25
Iron (Fe), % 46.4 to 57.9
76.6 to 81.9
Manganese (Mn), % 0 to 2.0
0 to 0.6
Molybdenum (Mo), % 0.3 to 1.5
0.7 to 1.2
Nickel (Ni), % 19 to 22
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 4.8 to 6.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4