MakeItFrom.com
Menu (ESC)

AWS BCo-1 vs. EN 1.7729 Steel

AWS BCo-1 belongs to the cobalt alloys classification, while EN 1.7729 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BCo-1 and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 700
910

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Melting Completion (Liquidus), °C 1150
1470
Melting Onset (Solidus), °C 1120
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.3
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 430
59

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
27
Thermal Shock Resistance, points 21
27

Alloy Composition

Aluminum (Al), % 0 to 0.050
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0.7 to 0.9
0.0010 to 0.010
Carbon (C), % 0.35 to 0.45
0.17 to 0.23
Chromium (Cr), % 18 to 20
0.9 to 1.2
Cobalt (Co), % 46 to 54
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 1.0
94.8 to 97
Manganese (Mn), % 0
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 16 to 18
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.050
0.070 to 0.15
Tungsten (W), % 3.5 to 4.5
0
Vanadium (V), % 0
0.6 to 0.8
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0