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EN 1.7365 Steel vs. EN 1.8872 Steel

Both EN 1.7365 steel and EN 1.8872 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a moderately high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.8872 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
21
Fatigue Strength, MPa 320
310
Impact Strength: V-Notched Charpy, J 31
90
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 700
610
Tensile Strength: Yield (Proof), MPa 470
450

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
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 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
1.7
Embodied Energy, MJ/kg 24
22
Embodied Water, L/kg 70
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 580
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 20
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.12 to 0.19
0 to 0.18
Chromium (Cr), % 4.0 to 6.0
0 to 0.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 91.2 to 94.9
95.1 to 100
Manganese (Mn), % 0.5 to 0.8
0 to 1.7
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0 to 0.050
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050