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ACI-ASTM CA40 Steel vs. AWS E219

Both ACI-ASTM CA40 steel and AWS E219 are iron alloys. They have 78% of their average alloy composition in common. There are 23 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 CA40 steel and the bottom bar is AWS E219.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10
17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 910
690

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1500
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.1
Embodied Energy, MJ/kg 28
44
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 14
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 27
23
Thermal Diffusivity, mm2/s 6.7
3.8
Thermal Shock Resistance, points 33
17

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.060
Chromium (Cr), % 11.5 to 14
19 to 21.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 81.5 to 88.3
58.6 to 67.4
Manganese (Mn), % 0 to 1.0
8.0 to 10
Molybdenum (Mo), % 0 to 0.5
0 to 0.75
Nickel (Ni), % 0 to 1.0
5.5 to 7.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030