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EN 1.8505 Steel vs. EN 1.4003 Stainless Steel

Both EN 1.8505 steel and EN 1.4003 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
22
Fatigue Strength, MPa 540
210
Impact Strength: V-Notched Charpy, J 28
67
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 630
340
Tensile Strength: Ultimate (UTS), MPa 1050
540
Tensile Strength: Yield (Proof), MPa 860
320

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
720
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
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.9
Embodied Energy, MJ/kg 22
27
Embodied Water, L/kg 65
97

Common Calculations

PREN (Pitting Resistance) 2.6
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
19
Strength to Weight: Bending, points 30
19
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 31
19

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
10.5 to 12.5
Iron (Fe), % 95.4 to 97.1
83.9 to 89.2
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
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