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EN 1.7213 Steel vs. SAE-AISI 4161 Steel

Both EN 1.7213 steel and SAE-AISI 4161 steel are iron alloys. Their average alloy composition is basically identical. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7213 steel and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 500 to 1550
680

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
43
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 52
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 55
24
Strength to Weight: Bending, points 18 to 38
22
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 15 to 45
22

Alloy Composition

Carbon (C), % 0.22 to 0.29
0.56 to 0.64
Chromium (Cr), % 0.9 to 1.2
0.7 to 0.9
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.7 to 98.1
96.7 to 97.6
Manganese (Mn), % 0.6 to 0.9
0.75 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0.25 to 0.35
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0.15 to 0.35
Sulfur (S), % 0.020 to 0.040
0 to 0.040