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EN 1.5503 Steel vs. EN 1.8821 Steel

Both EN 1.5503 steel and EN 1.8821 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.5503 steel and the bottom bar is EN 1.8821 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 17
25
Fatigue Strength, MPa 180 to 280
280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 270 to 320
340
Tensile Strength: Ultimate (UTS), MPa 400 to 520
530
Tensile Strength: Yield (Proof), MPa 270 to 430
390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
21
Embodied Water, L/kg 46
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 19
19
Strength to Weight: Bending, points 15 to 18
19
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 12 to 15
16

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.030
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0 to 0.14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.4 to 99.239
96.8 to 99.98
Manganese (Mn), % 0.6 to 0.8
0 to 1.6
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1