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EN 1.3551 Steel vs. ACI-ASTM CB7Cu-2 Steel

Both EN 1.3551 steel and ACI-ASTM CB7Cu-2 steel are iron alloys. They have 81% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 720
960 to 1350

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1490
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 36
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.9
2.6
Embodied Energy, MJ/kg 71
38
Embodied Water, L/kg 82
130

Common Calculations

PREN (Pitting Resistance) 18
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
34 to 48
Strength to Weight: Bending, points 23
28 to 35
Thermal Diffusivity, mm2/s 9.8
4.6
Thermal Shock Resistance, points 21
32 to 45

Alloy Composition

Carbon (C), % 0.77 to 0.85
0 to 0.070
Chromium (Cr), % 3.9 to 4.3
14 to 15.5
Copper (Cu), % 0 to 0.3
2.5 to 3.2
Iron (Fe), % 88.8 to 91.1
73.6 to 79
Manganese (Mn), % 0.15 to 0.35
0 to 0.7
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 0
4.5 to 5.5
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 0.015
0 to 0.030
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0