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S38815 Stainless Steel vs. SAE-AISI 1090 Steel

Both S38815 stainless steel and SAE-AISI 1090 steel are iron alloys. They have 62% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 1090 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
11
Fatigue Strength, MPa 230
320 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Shear Strength, MPa 410
470 to 570
Tensile Strength: Ultimate (UTS), MPa 610
790 to 950
Tensile Strength: Yield (Proof), MPa 290
520 to 610

Thermal Properties

Latent Heat of Fusion, J/g 370
240
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
82 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 220
730 to 1000
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
28 to 34
Strength to Weight: Bending, points 21
24 to 27
Thermal Shock Resistance, points 15
25 to 31

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.85 to 1.0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
98 to 98.6
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0 to 0.020
0 to 0.050