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AISI 317 Stainless Steel vs. S15500 Stainless Steel

Both AISI 317 stainless steel and S15500 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 35 to 55
6.8 to 16
Fatigue Strength, MPa 250 to 330
350 to 650
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 420 to 470
540 to 870
Tensile Strength: Ultimate (UTS), MPa 580 to 710
890 to 1490
Tensile Strength: Yield (Proof), MPa 250 to 420
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 590
820
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 31
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
32 to 53
Strength to Weight: Bending, points 20 to 22
26 to 37
Thermal Diffusivity, mm2/s 4.1
4.6
Thermal Shock Resistance, points 12 to 15
30 to 50

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 18 to 20
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 58 to 68
71.9 to 79.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030