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ACI-ASTM CN7MS Steel vs. EN 1.1233 Steel

Both ACI-ASTM CN7MS steel and EN 1.1233 steel are iron alloys. They have 50% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is EN 1.1233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 540
680 to 760

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 1040
400
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
1.4
Embodied Energy, MJ/kg 71
19
Embodied Water, L/kg 180
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
24 to 27
Strength to Weight: Bending, points 19
22 to 24
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 13
22 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.070
0.52 to 0.6
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
0 to 0.3
Iron (Fe), % 45.4 to 53.5
98 to 99.1
Manganese (Mn), % 0 to 1.0
0.9 to 1.2
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 2.5 to 3.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030