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S38815 Stainless Steel vs. SAE-AISI 1020 Steel

Both S38815 stainless steel and SAE-AISI 1020 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 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
17 to 28
Fatigue Strength, MPa 230
180 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 410
280
Tensile Strength: Ultimate (UTS), MPa 610
430 to 460
Tensile Strength: Yield (Proof), MPa 290
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
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
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 54
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
150 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
15 to 16
Strength to Weight: Bending, points 21
16 to 17
Thermal Shock Resistance, points 15
13 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.18 to 0.23
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
99.08 to 99.52
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
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