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EN 1.7709 Steel vs. ACI-ASTM CA28MWV Steel

Both EN 1.7709 steel and ACI-ASTM CA28MWV steel are iron alloys. They have 87% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 650 to 780
1080

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
740
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 33
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
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 2.3
3.1
Embodied Energy, MJ/kg 32
44
Embodied Water, L/kg 56
100

Common Calculations

PREN (Pitting Resistance) 3.6
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 27
38
Strength to Weight: Bending, points 21 to 24
30
Thermal Diffusivity, mm2/s 8.9
6.6
Thermal Shock Resistance, points 22 to 26
40

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Carbon (C), % 0.17 to 0.25
0.2 to 0.28
Chromium (Cr), % 1.2 to 1.5
11 to 12.5
Iron (Fe), % 95.2 to 97.5
81.4 to 85.8
Manganese (Mn), % 0.4 to 0.8
0.5 to 1.0
Molybdenum (Mo), % 0.55 to 0.8
0.9 to 1.3
Nickel (Ni), % 0 to 0.6
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 0.030
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0.2 to 0.35
0.2 to 0.3