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EN 1.0545 Steel vs. EN 1.8837 Steel

Both EN 1.0545 steel and EN 1.8837 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0545 steel and the bottom bar is EN 1.8837 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
19
Fatigue Strength, MPa 270
340
Impact Strength: V-Notched Charpy, J 48
90
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 350
390
Tensile Strength: Ultimate (UTS), MPa 550
630
Tensile Strength: Yield (Proof), MPa 370
490

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 45
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 50
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 0.015
0.020 to 0.040
Carbon (C), % 0 to 0.22
0 to 0.16
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.5 to 99.15
96.6 to 99.98
Manganese (Mn), % 0.85 to 1.8
0 to 1.7
Molybdenum (Mo), % 0 to 0.13
0 to 0.2
Nickel (Ni), % 0 to 0.55
0 to 0.5
Niobium (Nb), % 0 to 0.060
0 to 0.050
Nitrogen (N), % 0 to 0.017
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.55
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0 to 0.060
0 to 0.050
Vanadium (V), % 0 to 0.14
0 to 0.1