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S38815 Stainless Steel vs. SAE-AISI D3 Steel

Both S38815 stainless steel and SAE-AISI D3 steel are iron alloys. They have 75% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
9.8 to 15
Fatigue Strength, MPa 230
310 to 940
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
74
Shear Strength, MPa 410
470 to 1220
Tensile Strength: Ultimate (UTS), MPa 610
770 to 2050
Tensile Strength: Yield (Proof), MPa 290
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1310
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.0
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.8
3.2
Embodied Energy, MJ/kg 54
48
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
97 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28 to 74
Strength to Weight: Bending, points 21
24 to 47
Thermal Shock Resistance, points 15
23 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
2.0 to 2.4
Chromium (Cr), % 13 to 15
11 to 13.5
Copper (Cu), % 0.75 to 1.5
0 to 0.25
Iron (Fe), % 56.1 to 67
80.3 to 87
Manganese (Mn), % 0 to 2.0
0 to 0.6
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 5.5 to 6.5
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0