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EN 1.5503 Steel vs. S44626 Stainless Steel

Both EN 1.5503 steel and S44626 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5503 steel and the bottom bar is S44626 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 17
23
Fatigue Strength, MPa 180 to 280
230
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 270 to 320
340
Tensile Strength: Ultimate (UTS), MPa 400 to 520
540
Tensile Strength: Yield (Proof), MPa 270 to 430
350

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 46
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
300
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 14 to 19
19
Strength to Weight: Bending, points 15 to 18
19
Thermal Diffusivity, mm2/s 14
4.6
Thermal Shock Resistance, points 12 to 15
18

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0 to 0.060
Chromium (Cr), % 0
25 to 27
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 98.4 to 99.239
68.1 to 74.1
Manganese (Mn), % 0.6 to 0.8
0 to 0.75
Molybdenum (Mo), % 0
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 0.3
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0
0.2 to 1.0