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S15500 Stainless Steel vs. S20161 Stainless Steel

Both S15500 stainless steel and S20161 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 35 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8 to 16
46
Fatigue Strength, MPa 350 to 650
360
Poisson's Ratio 0.28
0.28
Reduction in Area, % 17 to 40
45
Rockwell C Hardness 27 to 46
22
Shear Modulus, GPa 75
76
Shear Strength, MPa 540 to 870
690
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
980
Tensile Strength: Yield (Proof), MPa 590 to 1310
390

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 820
870
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 39
39
Embodied Water, L/kg 130
130

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
360
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 32 to 53
36
Strength to Weight: Bending, points 26 to 37
29
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 30 to 50
22

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 14 to 15.5
15 to 18
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
65.6 to 73.9
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Nickel (Ni), % 3.5 to 5.5
4.0 to 6.0
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040