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EN 1.8550 Steel vs. ACI-ASTM CA28MWV Steel

Both EN 1.8550 steel and ACI-ASTM CA28MWV steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 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 EN 1.8550 steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
11
Fatigue Strength, MPa 470
470
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 1000
1080
Tensile Strength: Yield (Proof), MPa 760
870

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
740
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.1
Embodied Energy, MJ/kg 23
44
Embodied Water, L/kg 67
100

Common Calculations

PREN (Pitting Resistance) 2.3
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
1920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
38
Strength to Weight: Bending, points 29
30
Thermal Diffusivity, mm2/s 11
6.6
Thermal Shock Resistance, points 29
40

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.2 to 0.28
Chromium (Cr), % 1.5 to 1.8
11 to 12.5
Iron (Fe), % 94.4 to 96.3
81.4 to 85.8
Manganese (Mn), % 0.4 to 0.7
0.5 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0.9 to 1.3
Nickel (Ni), % 0.85 to 1.2
0.5 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3