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EN 1.5503 Steel vs. S44537 Stainless Steel

Both EN 1.5503 steel and S44537 stainless steel are iron alloys. They have 75% 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 S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 17
21
Fatigue Strength, MPa 180 to 280
230
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 270 to 320
320
Tensile Strength: Ultimate (UTS), MPa 400 to 520
510
Tensile Strength: Yield (Proof), MPa 270 to 430
360

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
50
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
95
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
320
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 19
18
Strength to Weight: Bending, points 15 to 18
18
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 12 to 15
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 98.4 to 99.239
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.6 to 0.8
0 to 0.8
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.3
0.1 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0