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EN 1.7176 Steel vs. EN 1.7323 Steel

Both EN 1.7176 steel and EN 1.7323 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7176 steel and the bottom bar is EN 1.7323 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 470
150 to 180
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 670 to 2010
480 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 50
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 71
17 to 52
Strength to Weight: Bending, points 22 to 45
17 to 36
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 20 to 59
14 to 43

Alloy Composition

Carbon (C), % 0.52 to 0.59
0.17 to 0.23
Chromium (Cr), % 0.7 to 1.0
0.3 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97 to 98.1
97.1 to 98.4
Manganese (Mn), % 0.7 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.025
0.020 to 0.040

Comparable Variants