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EN 1.4905 Stainless Steel vs. S15500 Stainless Steel

Both EN 1.4905 stainless steel and S15500 stainless steel are iron alloys. They have 86% 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 EN 1.4905 stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
6.8 to 16
Fatigue Strength, MPa 330
350 to 650
Impact Strength: V-Notched Charpy, J 38
7.8 to 53
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 460
540 to 870
Tensile Strength: Ultimate (UTS), MPa 740
890 to 1490
Tensile Strength: Yield (Proof), MPa 510
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
440
Maximum Temperature: Mechanical, °C 660
820
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
39
Embodied Water, L/kg 90
130

Common Calculations

PREN (Pitting Resistance) 15
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 680
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
32 to 53
Strength to Weight: Bending, points 23
26 to 37
Thermal Diffusivity, mm2/s 7.0
4.6
Thermal Shock Resistance, points 25
30 to 50

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.070
Chromium (Cr), % 8.5 to 9.5
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 86.2 to 88.8
71.9 to 79.9
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
3.5 to 5.5
Niobium (Nb), % 0.060 to 0.1
0.15 to 0.45
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0