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ACI-ASTM CB7Cu-1 Steel vs. EN 1.3538 Steel

Both ACI-ASTM CB7Cu-1 steel and EN 1.3538 steel are iron alloys. They have 78% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is EN 1.3538 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
670 to 740

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 38
21
Embodied Water, L/kg 130
56

Common Calculations

PREN (Pitting Resistance) 17
3.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
24 to 26
Strength to Weight: Bending, points 28 to 35
22 to 23
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 32 to 45
20 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.070
0.93 to 1.1
Chromium (Cr), % 15.5 to 17.7
1.7 to 2.0
Copper (Cu), % 2.5 to 3.2
0 to 0.3
Iron (Fe), % 72.3 to 78.4
96 to 97.2
Manganese (Mn), % 0 to 0.7
0.6 to 0.8
Molybdenum (Mo), % 0
0.4 to 0.5
Nickel (Ni), % 3.6 to 4.6
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.030