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S20910 Stainless Steel vs. S45500 Stainless Steel

Both S20910 stainless steel and S45500 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
3.4 to 11
Fatigue Strength, MPa 310 to 460
570 to 890
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56 to 62
34 to 45
Shear Modulus, GPa 79
75
Shear Strength, MPa 500 to 570
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 780 to 940
1370 to 1850
Tensile Strength: Yield (Proof), MPa 430 to 810
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
620
Maximum Temperature: Mechanical, °C 1080
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.8
Embodied Energy, MJ/kg 68
57
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 34
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
48 to 65
Strength to Weight: Bending, points 24 to 27
35 to 42
Thermal Shock Resistance, points 17 to 21
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 20.5 to 23.5
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 52.1 to 62.1
71.5 to 79.2
Manganese (Mn), % 4.0 to 6.0
0 to 0.5
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.5
Nickel (Ni), % 11.5 to 13.5
7.5 to 9.5
Niobium (Nb), % 0.1 to 0.3
0 to 0.5
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
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
Vanadium (V), % 0.1 to 0.3
0

Comparable Variants