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S33550 Stainless Steel vs. S20910 Stainless Steel

Both S33550 stainless steel and S20910 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 31 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 S33550 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14 to 39
Fatigue Strength, MPa 270
310 to 460
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 470
500 to 570
Tensile Strength: Ultimate (UTS), MPa 680
780 to 940
Tensile Strength: Yield (Proof), MPa 310
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 470
460
Maximum Temperature: Mechanical, °C 1100
1080
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
4.8
Embodied Energy, MJ/kg 61
68
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 30
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 250
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
28 to 33
Strength to Weight: Bending, points 22
24 to 27
Thermal Diffusivity, mm2/s 3.9
3.6
Thermal Shock Resistance, points 15
17 to 21

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.060
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
20.5 to 23.5
Iron (Fe), % 48.8 to 58.2
52.1 to 62.1
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 16.5 to 20
11.5 to 13.5
Niobium (Nb), % 0.050 to 0.15
0.1 to 0.3
Nitrogen (N), % 0.18 to 0.25
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3