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SAE-AISI 4320 Steel vs. EN 1.8507 Steel

Both SAE-AISI 4320 steel and EN 1.8507 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 4320 steel and the bottom bar is EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 240
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 29
16
Fatigue Strength, MPa 320
440
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 370 to 500
550
Tensile Strength: Ultimate (UTS), MPa 570 to 790
900
Tensile Strength: Yield (Proof), MPa 430 to 460
670

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 22
21
Embodied Water, L/kg 52
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
130
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 560
1210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 28
32
Strength to Weight: Bending, points 19 to 24
27
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 19 to 27
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.17 to 0.22
0.3 to 0.37
Chromium (Cr), % 0.4 to 0.6
1.0 to 1.3
Iron (Fe), % 95.8 to 97
96.1 to 97.7
Manganese (Mn), % 0.45 to 0.65
0.4 to 0.7
Molybdenum (Mo), % 0.2 to 0.3
0.15 to 0.25
Nickel (Ni), % 1.7 to 2.0
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035