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S15500 Stainless Steel vs. EN 1.5503 Steel

Both S15500 stainless steel and EN 1.5503 steel are iron alloys. They have 77% 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 S15500 stainless steel and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8 to 16
12 to 17
Fatigue Strength, MPa 350 to 650
180 to 280
Poisson's Ratio 0.28
0.29
Reduction in Area, % 17 to 40
63 to 72
Shear Modulus, GPa 75
73
Shear Strength, MPa 540 to 870
270 to 320
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
400 to 520
Tensile Strength: Yield (Proof), MPa 590 to 1310
270 to 430

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
200 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
14 to 19
Strength to Weight: Bending, points 26 to 37
15 to 18
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 30 to 50
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.070
0.16 to 0.2
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 4.5
0 to 0.25
Iron (Fe), % 71.9 to 79.9
98.4 to 99.239
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025