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ASTM A369 Grade FP2 vs. ACI-ASTM CA40 Steel

Both ASTM A369 grade FP2 and ACI-ASTM CA40 steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP2 and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
10
Fatigue Strength, MPa 160
460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 430
910
Tensile Strength: Yield (Proof), MPa 240
860

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
750
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.0
Embodied Energy, MJ/kg 20
28
Embodied Water, L/kg 50
100

Common Calculations

PREN (Pitting Resistance) 2.5
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
89
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
33
Strength to Weight: Bending, points 16
27
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 13
33

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.2 to 0.4
Chromium (Cr), % 0.5 to 0.81
11.5 to 14
Iron (Fe), % 97.4 to 98.6
81.5 to 88.3
Manganese (Mn), % 0.3 to 0.61
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.3
0 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.040