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S42300 Stainless Steel vs. S31100 Stainless Steel

Both S42300 stainless steel and S31100 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 33 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 S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
4.5
Fatigue Strength, MPa 440
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 650
580
Tensile Strength: Ultimate (UTS), MPa 1100
1000
Tensile Strength: Yield (Proof), MPa 850
710

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
470
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.2
3.1
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 110
170

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
40
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
1240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 39
36
Strength to Weight: Bending, points 30
29
Thermal Diffusivity, mm2/s 6.8
4.2
Thermal Shock Resistance, points 40
28

Alloy Composition

Carbon (C), % 0.27 to 0.32
0 to 0.060
Chromium (Cr), % 11 to 12
25 to 27
Iron (Fe), % 82 to 85.1
63.6 to 69
Manganese (Mn), % 1.0 to 1.4
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 0 to 0.5
6.0 to 7.0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0 to 0.25
Vanadium (V), % 0.2 to 0.3
0