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EN 1.8915 Steel vs. EN 1.7366 Steel

Both EN 1.8915 steel and EN 1.7366 steel are iron alloys. They have a moderately high 95% 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 1.8915 steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
17 to 19
Fatigue Strength, MPa 340
160 to 320
Impact Strength: V-Notched Charpy, J 79
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 400
290 to 440
Tensile Strength: Ultimate (UTS), MPa 640
460 to 710
Tensile Strength: Yield (Proof), MPa 490
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
510
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 46
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
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 1.7
1.7
Embodied Energy, MJ/kg 24
23
Embodied Water, L/kg 51
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 640
140 to 600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
16 to 25
Strength to Weight: Bending, points 21
17 to 23
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19
13 to 20

Alloy Composition

Aluminum (Al), % 0.020 to 0.050
0
Carbon (C), % 0 to 0.2
0 to 0.18
Chromium (Cr), % 0 to 0.3
4.0 to 6.0
Copper (Cu), % 0 to 0.7
0
Iron (Fe), % 95.2 to 98.9
91.9 to 95.3
Manganese (Mn), % 1.1 to 1.7
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.1
0.45 to 0.65
Nickel (Ni), % 0 to 0.8
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.0080
0 to 0.015
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.2
0