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S15500 Stainless Steel vs. AISI 301 Stainless Steel

Both S15500 stainless steel and AISI 301 stainless steel are iron alloys. They have a moderately high 95% 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 S15500 stainless steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
7.4 to 46
Fatigue Strength, MPa 350 to 650
210 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 540 to 870
410 to 860
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
590 to 1460
Tensile Strength: Yield (Proof), MPa 590 to 1310
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 820
840
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 7.8
7.8
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
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
21 to 52
Strength to Weight: Bending, points 26 to 37
20 to 37
Thermal Diffusivity, mm2/s 4.6
4.2
Thermal Shock Resistance, points 30 to 50
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 14 to 15.5
16 to 18
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
70.7 to 78
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 3.5 to 5.5
6.0 to 8.0
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030