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S42300 Stainless Steel vs. S45500 Stainless Steel

Both S42300 stainless steel and S45500 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S42300 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
3.4 to 11
Fatigue Strength, MPa 440
570 to 890
Poisson's Ratio 0.28
0.28
Reduction in Area, % 22
34 to 45
Shear Modulus, GPa 77
75
Shear Strength, MPa 650
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 1100
1370 to 1850
Tensile Strength: Yield (Proof), MPa 850
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 380
620
Maximum Temperature: Mechanical, °C 750
760
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.8
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 21
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 39
48 to 65
Strength to Weight: Bending, points 30
35 to 42
Thermal Shock Resistance, points 40
48 to 64

Alloy Composition

Carbon (C), % 0.27 to 0.32
0 to 0.050
Chromium (Cr), % 11 to 12
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 82 to 85.1
71.5 to 79.2
Manganese (Mn), % 1.0 to 1.4
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.5
Nickel (Ni), % 0 to 0.5
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Vanadium (V), % 0.2 to 0.3
0