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SAE-AISI 1017 Steel vs. S31254 Stainless Steel

Both SAE-AISI 1017 steel and S31254 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1017 steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 130
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 30
40
Fatigue Strength, MPa 170 to 270
290
Poisson's Ratio 0.29
0.28
Reduction in Area, % 46 to 56
56
Shear Modulus, GPa 73
80
Shear Strength, MPa 280 to 290
490
Tensile Strength: Ultimate (UTS), MPa 420 to 460
720
Tensile Strength: Yield (Proof), MPa 220 to 390
330

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 53
14
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.5
Embodied Energy, MJ/kg 18
74
Embodied Water, L/kg 45
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 400
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 16
25
Strength to Weight: Bending, points 16 to 17
22
Thermal Diffusivity, mm2/s 14
3.8
Thermal Shock Resistance, points 13 to 14
15

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 99.11 to 99.55
51.4 to 56.3
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0 to 0.050
0 to 0.010