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SAE-AISI 4718 Steel vs. EN 1.0107 Steel

Both SAE-AISI 4718 steel and EN 1.0107 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 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 SAE-AISI 4718 steel and the bottom bar is EN 1.0107 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
29
Fatigue Strength, MPa 270
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 330
250
Tensile Strength: Ultimate (UTS), MPa 510
380
Tensile Strength: Yield (Proof), MPa 370
210

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
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 39
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
2.1
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 51
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
95
Resilience: Unit (Modulus of Resilience), kJ/m3 360
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
13
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0.16 to 0.21
0 to 0.13
Chromium (Cr), % 0.35 to 0.55
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.3 to 97.4
97.7 to 100
Manganese (Mn), % 0.7 to 0.9
0 to 0.7
Molybdenum (Mo), % 0.3 to 0.4
0 to 0.080
Nickel (Ni), % 0.9 to 1.2
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.020
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020