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ASTM A182 Grade F122 vs. ACI-ASTM CA40F Steel

Both ASTM A182 grade F122 and ACI-ASTM CA40F steel are iron alloys. They have a very high 96% 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 F122 and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
13
Fatigue Strength, MPa 320
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 710
770
Tensile Strength: Yield (Proof), MPa 450
550

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
750
Melting Completion (Liquidus), °C 1490
1430
Melting Onset (Solidus), °C 1440
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 44
28
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 17
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
94
Resilience: Unit (Modulus of Resilience), kJ/m3 520
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 6.4
7.2
Thermal Shock Resistance, points 19
28

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0.2 to 0.4
Chromium (Cr), % 10 to 11.5
11.5 to 14
Copper (Cu), % 0.3 to 1.7
0
Iron (Fe), % 81.3 to 87.7
81.6 to 88.3
Manganese (Mn), % 0 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.6
0 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 1.0
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.010
0.2 to 0.4
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0
Zirconium (Zr), % 0 to 0.010
0