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EN 1.8819 Steel vs. EN 1.8827 Steel

Both EN 1.8819 steel and EN 1.8827 steel are iron alloys. Both are furnished in the thermomechanically rolled condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.8819 steel and the bottom bar is EN 1.8827 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
19
Fatigue Strength, MPa 200
300
Impact Strength: V-Notched Charpy, J 49
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
380
Tensile Strength: Ultimate (UTS), MPa 440
610
Tensile Strength: Yield (Proof), MPa 270
440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 48
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 49
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
21
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0.015 to 0.054
Carbon (C), % 0 to 0.15
0 to 0.18
Chromium (Cr), % 0 to 0.35
0 to 0.35
Copper (Cu), % 0 to 0.6
0 to 0.6
Iron (Fe), % 95.9 to 99.985
95 to 99.985
Manganese (Mn), % 0 to 1.6
0 to 1.8
Molybdenum (Mo), % 0 to 0.13
0 to 0.23
Nickel (Ni), % 0 to 0.35
0 to 0.85
Niobium (Nb), % 0 to 0.060
0 to 0.060
Nitrogen (N), % 0 to 0.017
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.55
0 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0 to 0.060
0 to 0.060
Vanadium (V), % 0 to 0.1
0 to 0.14