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EN 1.5515 Steel vs. S64512 Stainless Steel

Both EN 1.5515 steel and S64512 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.5515 steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 64 to 69
34
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 490 to 1760
1140

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
750
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.3
Embodied Energy, MJ/kg 19
47
Embodied Water, L/kg 47
110

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 63
40
Strength to Weight: Bending, points 18 to 41
31
Thermal Diffusivity, mm2/s 13
7.5
Thermal Shock Resistance, points 14 to 52
42

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
0.080 to 0.15
Chromium (Cr), % 0 to 0.3
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.8 to 98.9
80.6 to 84.7
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.3
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4