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EN 1.8836 Steel vs. EN 1.8903 Steel

Both EN 1.8836 steel and EN 1.8903 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.8836 steel and the bottom bar is EN 1.8903 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
19
Fatigue Strength, MPa 290
330
Impact Strength: V-Notched Charpy, J 58
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360
390
Tensile Strength: Ultimate (UTS), MPa 570
630
Tensile Strength: Yield (Proof), MPa 410
480

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
410
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 44
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 23
24
Embodied Water, L/kg 50
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
620
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0 to 0.015
Carbon (C), % 0 to 0.18
0 to 0.22
Chromium (Cr), % 0 to 0.35
0 to 0.35
Copper (Cu), % 0 to 0.6
0 to 0.6
Iron (Fe), % 95.1 to 99.985
95 to 99.05
Manganese (Mn), % 0 to 1.8
1.0 to 1.8
Molybdenum (Mo), % 0 to 0.23
0 to 0.13
Nickel (Ni), % 0 to 0.85
0 to 0.85
Niobium (Nb), % 0 to 0.060
0 to 0.060
Nitrogen (N), % 0 to 0.027
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.55
0 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.025
Titanium (Ti), % 0 to 0.060
0 to 0.060
Vanadium (V), % 0 to 0.14
0 to 0.22