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EN 1.8505 Steel vs. EN 1.4028 Stainless Steel

Both EN 1.8505 steel and EN 1.4028 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 1.8505 steel and the bottom bar is EN 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
11 to 17
Fatigue Strength, MPa 540
230 to 400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 630
410 to 550
Tensile Strength: Ultimate (UTS), MPa 1050
660 to 930
Tensile Strength: Yield (Proof), MPa 860
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
1.9
Embodied Energy, MJ/kg 22
27
Embodied Water, L/kg 65
100

Common Calculations

PREN (Pitting Resistance) 2.6
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
380 to 1360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
24 to 33
Strength to Weight: Bending, points 30
22 to 27
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 31
23 to 32

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.26 to 0.35
Chromium (Cr), % 1.5 to 1.8
12 to 14
Iron (Fe), % 95.4 to 97.1
83.1 to 87.7
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015