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ACI-ASTM CB6 Steel vs. EN 1.7218 Steel

Both ACI-ASTM CB6 steel and EN 1.7218 steel are iron alloys. They have 80% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB6 steel and the bottom bar is EN 1.7218 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 880
500 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 36
20
Embodied Water, L/kg 130
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
18 to 55
Strength to Weight: Bending, points 26
18 to 38
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 31
15 to 46

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.060
0.22 to 0.29
Chromium (Cr), % 15.5 to 17.5
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 74.4 to 81
96.2 to 98.1
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.3
Nickel (Ni), % 3.5 to 5.5
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035