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EN 1.8505 Steel vs. ACI-ASTM CB7Cu-1 Steel

Both EN 1.8505 steel and ACI-ASTM CB7Cu-1 steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 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 1.8505 steel and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
5.7 to 11
Fatigue Strength, MPa 540
420 to 590
Impact Strength: V-Notched Charpy, J 28
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 1050
960 to 1350
Tensile Strength: Yield (Proof), MPa 860
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 22
38
Embodied Water, L/kg 65
130

Common Calculations

PREN (Pitting Resistance) 2.6
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
1500 to 3590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
34 to 48
Strength to Weight: Bending, points 30
28 to 35
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 31
32 to 45

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.070
Chromium (Cr), % 1.5 to 1.8
15.5 to 17.7
Copper (Cu), % 0
2.5 to 3.2
Iron (Fe), % 95.4 to 97.1
72.3 to 78.4
Manganese (Mn), % 0.4 to 0.7
0 to 0.7
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030