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ACI-ASTM CA40F Steel vs. ACI-ASTM CA15 Steel

Both ACI-ASTM CA40F steel and ACI-ASTM CA15 steel are iron alloys. Their average alloy composition is basically identical. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40F steel and the bottom bar is ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
21
Fatigue Strength, MPa 320
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 770
700
Tensile Strength: Yield (Proof), MPa 550
570

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 750
750
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 14
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
140
Resilience: Unit (Modulus of Resilience), kJ/m3 790
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 7.2
6.7
Thermal Shock Resistance, points 28
26

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.15
Chromium (Cr), % 11.5 to 14
11.5 to 14
Iron (Fe), % 81.6 to 88.3
81.8 to 88.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.5
Sulfur (S), % 0.2 to 0.4
0 to 0.040