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EN 1.8507 Steel vs. EN 1.8505 Steel

Both EN 1.8507 steel and EN 1.8505 steel are iron alloys. Both are furnished in the quenched and tempered condition. Their average alloy composition is basically identical. 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 1.8507 steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
13
Fatigue Strength, MPa 440
540
Impact Strength: V-Notched Charpy, J 40
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 550
630
Tensile Strength: Ultimate (UTS), MPa 900
1050
Tensile Strength: Yield (Proof), MPa 670
860

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
440
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 21
22
Embodied Water, L/kg 63
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
1950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
37
Strength to Weight: Bending, points 27
30
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 26
31

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0.8 to 1.2
Carbon (C), % 0.3 to 0.37
0.28 to 0.35
Chromium (Cr), % 1.0 to 1.3
1.5 to 1.8
Iron (Fe), % 96.1 to 97.7
95.4 to 97.1
Manganese (Mn), % 0.4 to 0.7
0.4 to 0.7
Molybdenum (Mo), % 0.15 to 0.25
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.035