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S31060 Stainless Steel vs. SAE-AISI 1045 Steel

Both S31060 stainless steel and SAE-AISI 1045 steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31060 stainless steel and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
13 to 18
Fatigue Strength, MPa 290
220 to 370
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 480
380 to 410
Tensile Strength: Ultimate (UTS), MPa 680
620 to 680
Tensile Strength: Yield (Proof), MPa 310
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 48
18
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 250
300 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
22 to 24
Strength to Weight: Bending, points 22
21 to 22
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15
20 to 22

Alloy Composition

Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.050 to 0.1
0.43 to 0.5
Cerium (Ce), % 0 to 0.070
0
Chromium (Cr), % 22 to 24
0
Iron (Fe), % 61.4 to 67.8
98.5 to 99
Lanthanum (La), % 0 to 0.070
0
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nickel (Ni), % 10 to 12.5
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050