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EN 1.7380 Steel vs. EN 1.8823 Steel

Both EN 1.7380 steel and EN 1.8823 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 1.7380 steel and the bottom bar is EN 1.8823 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 20
25
Fatigue Strength, MPa 200 to 230
270
Impact Strength: V-Notched Charpy, J 31 to 35
48
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 330 to 350
340
Tensile Strength: Ultimate (UTS), MPa 540 to 550
530
Tensile Strength: Yield (Proof), MPa 290 to 330
360

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
410
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.6
Embodied Energy, MJ/kg 23
22
Embodied Water, L/kg 59
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 15 to 16
16

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0.080 to 0.14
0 to 0.16
Chromium (Cr), % 2.0 to 2.5
0 to 0.35
Copper (Cu), % 0 to 0.3
0 to 0.6
Iron (Fe), % 94.6 to 96.6
95.6 to 99.985
Manganese (Mn), % 0.4 to 0.8
0 to 1.7
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.13
Nickel (Ni), % 0
0 to 0.55
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0 to 0.012
0 to 0.017
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.55
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.12