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ACI-ASTM CA28MWV Steel vs. EN 1.7231 Steel

Both ACI-ASTM CA28MWV steel and EN 1.7231 steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
240 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
11 to 12
Fatigue Strength, MPa 470
360 to 500
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1080
790 to 930
Tensile Strength: Yield (Proof), MPa 870
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
420
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
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 100
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
870 to 1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
28 to 33
Strength to Weight: Bending, points 30
24 to 27
Thermal Diffusivity, mm2/s 6.6
12
Thermal Shock Resistance, points 40
23 to 27

Alloy Composition

Carbon (C), % 0.2 to 0.28
0.38 to 0.45
Chromium (Cr), % 11 to 12.5
0.8 to 1.2
Iron (Fe), % 81.4 to 85.8
96.4 to 98.1
Manganese (Mn), % 0.5 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0.15 to 0.3
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 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