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EN 1.4865 Stainless Steel vs. S15500 Stainless Steel

Both EN 1.4865 stainless steel and S15500 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 32 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 EN 1.4865 stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8
6.8 to 16
Fatigue Strength, MPa 120
350 to 650
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 470
890 to 1490
Tensile Strength: Yield (Proof), MPa 250
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 1020
820
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
2.7
Embodied Energy, MJ/kg 81
39
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 20
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
32 to 53
Strength to Weight: Bending, points 17
26 to 37
Thermal Diffusivity, mm2/s 3.1
4.6
Thermal Shock Resistance, points 11
30 to 50

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.070
Chromium (Cr), % 18 to 21
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 34.4 to 44.7
71.9 to 79.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030