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EN 1.8503 Steel vs. S44626 Stainless Steel

Both EN 1.8503 steel and S44626 stainless steel are iron alloys. They have 74% 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 1.8503 steel and the bottom bar is S44626 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
23
Fatigue Strength, MPa 600
230
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 610
340
Tensile Strength: Ultimate (UTS), MPa 1000
540
Tensile Strength: Yield (Proof), MPa 910
350

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.9
Embodied Energy, MJ/kg 33
42
Embodied Water, L/kg 57
160

Common Calculations

PREN (Pitting Resistance) 3.7
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
300
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 35
19
Strength to Weight: Bending, points 28
19
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 29
18

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.16 to 0.24
0 to 0.060
Chromium (Cr), % 1.2 to 1.5
25 to 27
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 95.8 to 97.5
68.1 to 74.1
Manganese (Mn), % 0.4 to 0.8
0 to 0.75
Molybdenum (Mo), % 0.65 to 0.8
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.035
0 to 0.020
Titanium (Ti), % 0
0.2 to 1.0
Vanadium (V), % 0.25 to 0.35
0