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S31727 Stainless Steel vs. SAE-AISI D5 Steel

Both S31727 stainless steel and SAE-AISI D5 steel are iron alloys. They have 71% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is SAE-AISI D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
5.4 to 14
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 430
470 to 1180
Tensile Strength: Ultimate (UTS), MPa 630
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.7
3.5
Embodied Energy, MJ/kg 64
51
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 35
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
28 to 73
Strength to Weight: Bending, points 20
24 to 46
Thermal Shock Resistance, points 14
26 to 67

Alloy Composition

Carbon (C), % 0 to 0.030
1.4 to 1.6
Chromium (Cr), % 17.5 to 19
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
Copper (Cu), % 2.8 to 4.0
0 to 0.25
Iron (Fe), % 53.7 to 61.3
77.9 to 84.4
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 3.8 to 4.5
0.7 to 1.2
Nickel (Ni), % 14.5 to 16.5
0 to 0.3
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 1.0