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EN 1.8838 Steel vs. EN 1.0599 Steel

Both EN 1.8838 steel and EN 1.0599 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.8838 steel and the bottom bar is EN 1.0599 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
20
Fatigue Strength, MPa 290
310
Impact Strength: V-Notched Charpy, J 58
27
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
390
Tensile Strength: Ultimate (UTS), MPa 610
620
Tensile Strength: Yield (Proof), MPa 430
440

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
47
Thermal Expansion, µm/m-K 13
12

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 1.7
1.8
Embodied Energy, MJ/kg 23
24
Embodied Water, L/kg 50
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 500
520
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0.010 to 0.050
Carbon (C), % 0 to 0.18
0.16 to 0.22
Chromium (Cr), % 0 to 0.35
0 to 0.3
Copper (Cu), % 0 to 0.6
0 to 0.3
Iron (Fe), % 95 to 99.985
96.1 to 98.4
Manganese (Mn), % 0 to 1.8
1.3 to 1.7
Molybdenum (Mo), % 0 to 0.23
0 to 0.080
Nickel (Ni), % 0 to 0.85
0 to 0.4
Niobium (Nb), % 0 to 0.060
0 to 0.070
Nitrogen (N), % 0 to 0.027
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.65
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.035
Titanium (Ti), % 0 to 0.060
0 to 0.050
Vanadium (V), % 0 to 0.14
0.080 to 0.15