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S31727 Stainless Steel vs. SAE-AISI 1043 Steel

Both S31727 stainless steel and SAE-AISI 1043 steel are iron alloys. They have 58% of their average alloy composition in common. There are 28 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 S31727 stainless steel and the bottom bar is SAE-AISI 1043 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
13 to 18
Fatigue Strength, MPa 240
230 to 390
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
40 to 51
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
400 to 430
Tensile Strength: Ultimate (UTS), MPa 630
650 to 710
Tensile Strength: Yield (Proof), MPa 270
350 to 600

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.4
Embodied Energy, MJ/kg 64
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
320 to 980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
23 to 25
Strength to Weight: Bending, points 20
21 to 22
Thermal Shock Resistance, points 14
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.47
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050