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EN 1.7365 Steel vs. EN 1.8519 Steel

Both EN 1.7365 steel and EN 1.8519 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7365 steel and the bottom bar is EN 1.8519 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
360
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
10
Fatigue Strength, MPa 320
630
Impact Strength: V-Notched Charpy, J 31
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 700
1200
Tensile Strength: Yield (Proof), MPa 470
1030

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
450
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 40
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.9
Embodied Energy, MJ/kg 24
26
Embodied Water, L/kg 70
58

Common Calculations

PREN (Pitting Resistance) 6.8
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 580
2790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
43
Strength to Weight: Bending, points 22
32
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 20
35

Alloy Composition

Carbon (C), % 0.12 to 0.19
0.27 to 0.34
Chromium (Cr), % 4.0 to 6.0
2.3 to 2.7
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.2 to 94.9
95.7 to 97.1
Manganese (Mn), % 0.5 to 0.8
0.4 to 0.7
Molybdenum (Mo), % 0.45 to 0.65
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035
Vanadium (V), % 0 to 0.050
0.1 to 0.2