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EN 1.4923 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4923 stainless steel and EN 1.8505 steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 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 1.4923 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
13
Fatigue Strength, MPa 300 to 440
540
Impact Strength: V-Notched Charpy, J 22 to 30
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 540 to 590
630
Tensile Strength: Ultimate (UTS), MPa 870 to 980
1050
Tensile Strength: Yield (Proof), MPa 470 to 780
860

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
440
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.6
Embodied Energy, MJ/kg 41
22
Embodied Water, L/kg 100
65

Common Calculations

PREN (Pitting Resistance) 15
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 35
37
Strength to Weight: Bending, points 26 to 28
30
Thermal Diffusivity, mm2/s 6.5
11
Thermal Shock Resistance, points 30 to 34
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.18 to 0.24
0.28 to 0.35
Chromium (Cr), % 11 to 12.5
1.5 to 1.8
Iron (Fe), % 83.5 to 87.1
95.4 to 97.1
Manganese (Mn), % 0.4 to 0.9
0.4 to 0.7
Molybdenum (Mo), % 0.8 to 1.2
0.2 to 0.4
Nickel (Ni), % 0.3 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0.25 to 0.35
0