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EN 1.5535 Steel vs. EN 1.1203 Steel

Both EN 1.5535 steel and EN 1.1203 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.5535 steel and the bottom bar is EN 1.1203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 22
12 to 15
Fatigue Strength, MPa 210 to 320
210 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 320 to 370
420 to 480
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
690 to 780
Tensile Strength: Yield (Proof), MPa 300 to 500
340 to 480

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 50
48
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 48
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
310 to 610
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 53
25 to 28
Strength to Weight: Bending, points 17 to 37
22 to 24
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 13 to 44
22 to 25

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0.52 to 0.6
Chromium (Cr), % 0 to 0.3
0 to 0.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.6 to 98.9
97.1 to 98.9
Manganese (Mn), % 0.9 to 1.2
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035