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S44800 Stainless Steel vs. S42300 Stainless Steel

Both S44800 stainless steel and S42300 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S44800 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 210
200
Elongation at Break, % 23
9.1
Fatigue Strength, MPa 300
440
Poisson's Ratio 0.27
0.28
Reduction in Area, % 45
22
Shear Modulus, GPa 82
77
Shear Strength, MPa 370
650
Tensile Strength: Ultimate (UTS), MPa 590
1100
Tensile Strength: Yield (Proof), MPa 450
850

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
380
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.2
Embodied Energy, MJ/kg 52
44
Embodied Water, L/kg 190
110

Common Calculations

PREN (Pitting Resistance) 42
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
93
Resilience: Unit (Modulus of Resilience), kJ/m3 480
1840
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
39
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 4.6
6.8
Thermal Shock Resistance, points 19
40

Alloy Composition

Carbon (C), % 0 to 0.010
0.27 to 0.32
Chromium (Cr), % 28 to 30
11 to 12
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
82 to 85.1
Manganese (Mn), % 0 to 0.3
1.0 to 1.4
Molybdenum (Mo), % 3.5 to 4.2
2.5 to 3.0
Nickel (Ni), % 2.0 to 2.5
0 to 0.5
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3