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ACI-ASTM CB30 Steel vs. ASTM A182 Grade F24

Both ACI-ASTM CB30 steel and ASTM A182 grade F24 are iron alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is ASTM A182 grade F24.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 500
670
Tensile Strength: Yield (Proof), MPa 230
460

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
460
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.3
Embodied Energy, MJ/kg 33
33
Embodied Water, L/kg 130
61

Common Calculations

PREN (Pitting Resistance) 20
6.7
Resilience: Unit (Modulus of Resilience), kJ/m3 140
570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.3
0.050 to 0.1
Chromium (Cr), % 18 to 21
2.2 to 2.6
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 72.9 to 82
94.5 to 96.1
Manganese (Mn), % 0 to 1.0
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 2.0
0
Nitrogen (N), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.5
0.15 to 0.45
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0.060 to 0.1
Vanadium (V), % 0
0.2 to 0.3