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EN 1.8507 Steel vs. EN 1.7380 Steel

Both EN 1.8507 steel and EN 1.7380 steel are iron alloys. They have a very high 98% 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 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
19 to 20
Fatigue Strength, MPa 440
200 to 230
Impact Strength: V-Notched Charpy, J 40
31 to 35
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
74
Shear Strength, MPa 550
330 to 350
Tensile Strength: Ultimate (UTS), MPa 900
540 to 550
Tensile Strength: Yield (Proof), MPa 670
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.8
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 63
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
230 to 280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
19 to 20
Strength to Weight: Bending, points 27
19
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 26
15 to 16

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.080 to 0.14
Chromium (Cr), % 1.0 to 1.3
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.1 to 97.7
94.6 to 96.6
Manganese (Mn), % 0.4 to 0.7
0.4 to 0.8
Molybdenum (Mo), % 0.15 to 0.25
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010