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ACI-ASTM CA28MWV Steel vs. ASTM A356 Grade 1

Both ACI-ASTM CA28MWV steel and ASTM A356 grade 1 are iron alloys. Both are furnished in the heat treated (HT) condition. They have 84% of their average alloy composition in common. There are 30 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 ACI-ASTM CA28MWV steel and the bottom bar is ASTM A356 grade 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
23
Fatigue Strength, MPa 470
200
Poisson's Ratio 0.28
0.29
Reduction in Area, % 27
39
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1080
550
Tensile Strength: Yield (Proof), MPa 870
280

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
20
Strength to Weight: Bending, points 30
19
Thermal Diffusivity, mm2/s 6.6
14
Thermal Shock Resistance, points 40
18

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.35
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 81.4 to 85.8
98.3 to 100
Manganese (Mn), % 0.5 to 1.0
0 to 0.7
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0