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SAE-AISI 8620 Steel vs. EN 1.7335 Steel

Both SAE-AISI 8620 steel and EN 1.7335 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8620 steel and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 210
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 31
21 to 22
Fatigue Strength, MPa 270 to 360
200 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 340 to 420
310 to 330
Tensile Strength: Ultimate (UTS), MPa 520 to 690
500 to 520
Tensile Strength: Yield (Proof), MPa 360 to 570
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
430
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 50
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 150
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
210 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 24
18
Strength to Weight: Bending, points 18 to 22
18
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 15 to 20
15

Alloy Composition

Carbon (C), % 0.18 to 0.23
0.080 to 0.18
Chromium (Cr), % 0.4 to 0.6
0.7 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.9 to 98
96.4 to 98.4
Manganese (Mn), % 0.7 to 0.9
0.4 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0.4 to 0.6
Nickel (Ni), % 0.4 to 0.7
0
Nitrogen (N), % 0
0 to 0.012
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 0.010