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EN 1.8824 Steel vs. EN 1.6956 Steel

Both EN 1.8824 steel and EN 1.6956 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.8824 steel and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
370
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
9.6
Fatigue Strength, MPa 310
680
Impact Strength: V-Notched Charpy, J 67
25
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370
730
Tensile Strength: Ultimate (UTS), MPa 580
1230
Tensile Strength: Yield (Proof), MPa 440
1120

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
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 49
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
31
Embodied Water, L/kg 48
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 530
3320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
43
Strength to Weight: Bending, points 20
32
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 17
36

Alloy Composition

Aluminum (Al), % 0.020 to 0.040
0
Carbon (C), % 0 to 0.16
0.28 to 0.38
Chromium (Cr), % 0
1.0 to 1.7
Iron (Fe), % 96.6 to 99.98
92.4 to 95.3
Manganese (Mn), % 0 to 1.7
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.2
0.3 to 0.6
Nickel (Ni), % 0 to 0.5
2.9 to 3.8
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.1
0.080 to 0.25