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EN 1.8507 Steel vs. EN 1.7366 Steel

Both EN 1.8507 steel and EN 1.7366 steel are iron alloys. They have a very high 96% 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 1.8507 steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
17 to 19
Fatigue Strength, MPa 440
160 to 320
Impact Strength: V-Notched Charpy, J 40
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
74
Shear Strength, MPa 550
290 to 440
Tensile Strength: Ultimate (UTS), MPa 900
460 to 710
Tensile Strength: Yield (Proof), MPa 670
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
510
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 63
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
140 to 600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
16 to 25
Strength to Weight: Bending, points 27
17 to 23
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 26
13 to 20

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.18
Chromium (Cr), % 1.0 to 1.3
4.0 to 6.0
Iron (Fe), % 96.1 to 97.7
91.9 to 95.3
Manganese (Mn), % 0.4 to 0.7
0.3 to 0.8
Molybdenum (Mo), % 0.15 to 0.25
0.45 to 0.65
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 0.015