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S33550 Stainless Steel vs. S15500 Stainless Steel

Both S33550 stainless steel and S15500 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 33 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 S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
6.8 to 16
Fatigue Strength, MPa 270
350 to 650
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 470
540 to 870
Tensile Strength: Ultimate (UTS), MPa 680
890 to 1490
Tensile Strength: Yield (Proof), MPa 310
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 470
440
Maximum Temperature: Mechanical, °C 1100
820
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 30
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
32 to 53
Strength to Weight: Bending, points 22
26 to 37
Thermal Diffusivity, mm2/s 3.9
4.6
Thermal Shock Resistance, points 15
30 to 50

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.070
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 48.8 to 58.2
71.9 to 79.9
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 16.5 to 20
3.5 to 5.5
Niobium (Nb), % 0.050 to 0.15
0.15 to 0.45
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030