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S42030 Stainless Steel vs. S45500 Stainless Steel

Both S42030 stainless steel and S45500 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S42030 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
3.4 to 11
Fatigue Strength, MPa 250
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 410
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 670
1370 to 1850
Tensile Strength: Yield (Proof), MPa 410
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
620
Maximum Temperature: Mechanical, °C 780
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
3.8
Embodied Energy, MJ/kg 34
57
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 20
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
48 to 65
Strength to Weight: Bending, points 22
35 to 42
Thermal Shock Resistance, points 24
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.050
Chromium (Cr), % 12 to 14
11 to 12.5
Copper (Cu), % 2.0 to 3.0
1.5 to 2.5
Iron (Fe), % 77.6 to 85
71.5 to 79.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 1.0 to 3.0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4