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S32003 Stainless Steel vs. S15500 Stainless Steel

Both S32003 stainless steel and S15500 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S32003 stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
6.8 to 16
Fatigue Strength, MPa 370
350 to 650
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 27
27 to 46
Shear Modulus, GPa 79
75
Shear Strength, MPa 480
540 to 870
Tensile Strength: Ultimate (UTS), MPa 730
890 to 1490
Tensile Strength: Yield (Proof), MPa 510
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1010
820
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 29
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 660
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
32 to 53
Strength to Weight: Bending, points 23
26 to 37
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 21
30 to 50

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 19.5 to 22.5
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 68.2 to 75.9
71.9 to 79.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 3.0 to 4.0
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030