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AISI 347 Stainless Steel vs. S15500 Stainless Steel

Both AISI 347 stainless steel and S15500 stainless steel are iron alloys. They have 90% 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 AISI 347 stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 46
6.8 to 16
Fatigue Strength, MPa 220 to 270
350 to 650
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 430 to 460
540 to 870
Tensile Strength: Ultimate (UTS), MPa 610 to 690
890 to 1490
Tensile Strength: Yield (Proof), MPa 240 to 350
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 480
440
Maximum Temperature: Mechanical, °C 870
820
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 52
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 18
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
32 to 53
Strength to Weight: Bending, points 20 to 22
26 to 37
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 13 to 15
30 to 50

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 17 to 19
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 64.1 to 74
71.9 to 79.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 13
3.5 to 5.5
Niobium (Nb), % 0 to 1.0
0.15 to 0.45
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