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ASTM A182 Grade F5a vs. ACI-ASTM CA40F Steel

Both ASTM A182 grade F5a and ACI-ASTM CA40F steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F5a and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
13
Fatigue Strength, MPa 380
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 710
770
Tensile Strength: Yield (Proof), MPa 520
550

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 510
750
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.0
Embodied Energy, MJ/kg 24
28
Embodied Water, L/kg 69
100

Common Calculations

PREN (Pitting Resistance) 6.8
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
94
Resilience: Unit (Modulus of Resilience), kJ/m3 700
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 11
7.2
Thermal Shock Resistance, points 20
28

Alloy Composition

Carbon (C), % 0 to 0.25
0.2 to 0.4
Chromium (Cr), % 4.0 to 6.0
11.5 to 14
Iron (Fe), % 91.4 to 95.6
81.6 to 88.3
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0.2 to 0.4