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ACI-ASTM CA28MWV Steel vs. ASTM A387 Grade 2 Steel

Both ACI-ASTM CA28MWV steel and ASTM A387 grade 2 steel are iron alloys. They have 86% 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 ACI-ASTM CA28MWV steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
25
Fatigue Strength, MPa 470
190 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1080
470 to 550
Tensile Strength: Yield (Proof), MPa 870
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
420
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
45
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.6
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 100
50

Common Calculations

PREN (Pitting Resistance) 17
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
16 to 20
Strength to Weight: Bending, points 30
17 to 19
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 40
14 to 16

Alloy Composition

Carbon (C), % 0.2 to 0.28
0.050 to 0.21
Chromium (Cr), % 11 to 12.5
0.5 to 0.8
Iron (Fe), % 81.4 to 85.8
97.1 to 98.3
Manganese (Mn), % 0.5 to 1.0
0.55 to 0.8
Molybdenum (Mo), % 0.9 to 1.3
0.45 to 0.6
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0