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EN 1.8823 Steel vs. EN 1.6957 Steel

Both EN 1.8823 steel and EN 1.6957 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 32 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 EN 1.8823 steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
18
Fatigue Strength, MPa 270
530
Impact Strength: V-Notched Charpy, J 48
71
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 340
570
Tensile Strength: Ultimate (UTS), MPa 530
930
Tensile Strength: Yield (Proof), MPa 360
780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
450
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 47
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.1
Embodied Energy, MJ/kg 22
29
Embodied Water, L/kg 49
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 360
1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
33
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 16
27

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0
Carbon (C), % 0 to 0.16
0.22 to 0.32
Chromium (Cr), % 0 to 0.35
1.2 to 1.8
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.6 to 99.985
92.7 to 94.7
Manganese (Mn), % 0 to 1.7
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.13
0.25 to 0.45
Nickel (Ni), % 0 to 0.55
3.4 to 4.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 0.55
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0070
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.12
0.050 to 0.15