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S33550 Stainless Steel vs. S42300 Stainless Steel

Both S33550 stainless steel and S42300 stainless steel are iron alloys. They have 66% 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 S33550 stainless steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
9.1
Fatigue Strength, MPa 270
440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 470
650
Tensile Strength: Ultimate (UTS), MPa 680
1100
Tensile Strength: Yield (Proof), MPa 310
850

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 470
380
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.2
Embodied Energy, MJ/kg 61
44
Embodied Water, L/kg 190
110

Common Calculations

PREN (Pitting Resistance) 30
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
93
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
39
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 3.9
6.8
Thermal Shock Resistance, points 15
40

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.27 to 0.32
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
11 to 12
Iron (Fe), % 48.8 to 58.2
82 to 85.1
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 16.5 to 20
0 to 0.5
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3