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EN 1.8505 Steel vs. EN 1.4587 Stainless Steel

Both EN 1.8505 steel and EN 1.4587 stainless steel are iron alloys. They have 40% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
34
Fatigue Strength, MPa 540
200
Impact Strength: V-Notched Charpy, J 28
67
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 1050
540
Tensile Strength: Yield (Proof), MPa 860
250

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
17
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
6.3
Embodied Energy, MJ/kg 22
87
Embodied Water, L/kg 65
230

Common Calculations

PREN (Pitting Resistance) 2.6
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
18
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 11
4.5
Thermal Shock Resistance, points 31
13

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.030
Chromium (Cr), % 1.5 to 1.8
24 to 26
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 95.4 to 97.1
32.7 to 41.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
4.0 to 5.0
Nickel (Ni), % 0
28 to 30
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.025