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ACI-ASTM CB6 Steel vs. EN 1.7779 Steel

Both ACI-ASTM CB6 steel and EN 1.7779 steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
16
Fatigue Strength, MPa 410
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 880
810
Tensile Strength: Yield (Proof), MPa 660
660

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 870
470
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
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.8
Embodied Energy, MJ/kg 36
41
Embodied Water, L/kg 130
64

Common Calculations

PREN (Pitting Resistance) 17
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 31
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.060
0.17 to 0.23
Chromium (Cr), % 15.5 to 17.5
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 74.4 to 81
93.8 to 95.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Molybdenum (Mo), % 0 to 0.5
0.5 to 0.6
Nickel (Ni), % 3.5 to 5.5
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.45 to 0.55