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ACI-ASTM CA40 Steel vs. ACI-ASTM CC50 Steel

Both ACI-ASTM CA40 steel and ACI-ASTM CC50 steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have 83% of their average alloy composition in common. There are 27 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 CA40 steel and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910
430

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1500
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
14
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
39
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 14
28
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 33
16
Strength to Weight: Bending, points 27
17
Thermal Diffusivity, mm2/s 6.7
4.5
Thermal Shock Resistance, points 33
14

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.5
Chromium (Cr), % 11.5 to 14
26 to 30
Iron (Fe), % 81.5 to 88.3
62.9 to 74
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.040