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S42300 Stainless Steel vs. S32750 Stainless Steel

Both S42300 stainless steel and S32750 stainless steel are iron alloys. They have 78% 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 S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 9.1
17
Fatigue Strength, MPa 440
360
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 650
530
Tensile Strength: Ultimate (UTS), MPa 1100
860
Tensile Strength: Yield (Proof), MPa 850
590

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
450
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
4.1
Embodied Energy, MJ/kg 44
56
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 21
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
860
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 39
31
Strength to Weight: Bending, points 30
26
Thermal Diffusivity, mm2/s 6.8
4.0
Thermal Shock Resistance, points 40
25

Alloy Composition

Carbon (C), % 0.27 to 0.32
0 to 0.030
Chromium (Cr), % 11 to 12
24 to 26
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 82 to 85.1
58.1 to 66.8
Manganese (Mn), % 1.0 to 1.4
0 to 1.2
Molybdenum (Mo), % 2.5 to 3.0
3.0 to 5.0
Nickel (Ni), % 0 to 0.5
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0.2 to 0.3
0