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EN 1.7230 Steel vs. EN 1.8824 Steel

Both EN 1.7230 steel and EN 1.8824 steel are iron alloys. They have a very high 99% 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 EN 1.7230 steel and the bottom bar is EN 1.8824 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 12
22
Fatigue Strength, MPa 320 to 460
310
Impact Strength: V-Notched Charpy, J 29 to 30
67
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 720 to 910
580
Tensile Strength: Yield (Proof), MPa 510 to 740
440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
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 44
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 51
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 97
120
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1460
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 32
21
Strength to Weight: Bending, points 23 to 27
20
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 21 to 27
17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.040
Carbon (C), % 0.3 to 0.37
0 to 0.16
Chromium (Cr), % 0.8 to 1.2
0
Iron (Fe), % 96.7 to 98.3
96.6 to 99.98
Manganese (Mn), % 0.5 to 0.8
0 to 1.7
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1