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EN 1.8505 Steel vs. S41425 Stainless Steel

Both EN 1.8505 steel and S41425 stainless steel are iron alloys. They have 81% 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 1.8505 steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
280
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
17
Fatigue Strength, MPa 540
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 630
570
Tensile Strength: Ultimate (UTS), MPa 1050
920
Tensile Strength: Yield (Proof), MPa 860
750

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
810
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
13
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.9
Embodied Energy, MJ/kg 22
40
Embodied Water, L/kg 65
120

Common Calculations

PREN (Pitting Resistance) 2.6
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
1420
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
33
Strength to Weight: Bending, points 30
27
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 31
33

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.050
Chromium (Cr), % 1.5 to 1.8
12 to 15
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.4 to 97.1
74 to 81.9
Manganese (Mn), % 0.4 to 0.7
0.5 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
1.5 to 2.0
Nickel (Ni), % 0
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.0050