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S42300 Stainless Steel vs. SAE-AISI 1039 Steel

Both S42300 stainless steel and SAE-AISI 1039 steel are iron alloys. They have 85% 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 S42300 stainless steel and the bottom bar is SAE-AISI 1039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
14 to 18
Fatigue Strength, MPa 440
230 to 370
Poisson's Ratio 0.28
0.29
Reduction in Area, % 22
40 to 45
Shear Modulus, GPa 77
73
Shear Strength, MPa 650
380 to 420
Tensile Strength: Ultimate (UTS), MPa 1100
610 to 690
Tensile Strength: Yield (Proof), MPa 850
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
88 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
310 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 39
22 to 24
Strength to Weight: Bending, points 30
20 to 22
Thermal Diffusivity, mm2/s 6.8
14
Thermal Shock Resistance, points 40
19 to 22

Alloy Composition

Carbon (C), % 0.27 to 0.32
0.37 to 0.44
Chromium (Cr), % 11 to 12
0
Iron (Fe), % 82 to 85.1
98.5 to 98.9
Manganese (Mn), % 1.0 to 1.4
0.7 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0 to 0.050
Vanadium (V), % 0.2 to 0.3
0