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EN 1.8901 Steel vs. EN 1.8819 Steel

Both EN 1.8901 steel and EN 1.8819 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.8901 steel and the bottom bar is EN 1.8819 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
27
Fatigue Strength, MPa 340
200
Impact Strength: V-Notched Charpy, J 58
49
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 390
280
Tensile Strength: Ultimate (UTS), MPa 630
440
Tensile Strength: Yield (Proof), MPa 490
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 44
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.6
Embodied Energy, MJ/kg 24
21
Embodied Water, L/kg 51
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 640
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0 to 0.015
0.015 to 0.034
Carbon (C), % 0 to 0.22
0 to 0.15
Chromium (Cr), % 0 to 0.35
0 to 0.35
Copper (Cu), % 0 to 0.6
0 to 0.6
Iron (Fe), % 95 to 99.05
95.9 to 99.985
Manganese (Mn), % 1.0 to 1.8
0 to 1.6
Molybdenum (Mo), % 0 to 0.13
0 to 0.13
Nickel (Ni), % 0 to 0.85
0 to 0.35
Niobium (Nb), % 0 to 0.060
0 to 0.060
Nitrogen (N), % 0 to 0.027
0 to 0.017
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.65
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0 to 0.060
0 to 0.060
Vanadium (V), % 0 to 0.22
0 to 0.1