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SAE-AISI 4320 Steel vs. EN 1.8825 Steel

Both SAE-AISI 4320 steel and EN 1.8825 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 1.8825 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 240
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 29
22
Fatigue Strength, MPa 320
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 500
360
Tensile Strength: Ultimate (UTS), MPa 570 to 790
570
Tensile Strength: Yield (Proof), MPa 430 to 460
420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
410
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
44
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 22
23
Embodied Water, L/kg 52
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 560
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 28
20
Strength to Weight: Bending, points 19 to 24
19
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 19 to 27
17

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.054
Carbon (C), % 0.17 to 0.22
0 to 0.18
Chromium (Cr), % 0.4 to 0.6
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 95.8 to 97
95.1 to 99.985
Manganese (Mn), % 0.45 to 0.65
0 to 1.8
Molybdenum (Mo), % 0.2 to 0.3
0 to 0.23
Nickel (Ni), % 1.7 to 2.0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.55
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.14