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ACI-ASTM CN7MS Steel vs. EN 1.7006 Steel

Both ACI-ASTM CN7MS steel and EN 1.7006 steel are iron alloys. They have 51% 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 1.7006 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 540
530 to 1890

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 1040
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.0
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
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
19 to 67
Strength to Weight: Bending, points 19
19 to 43
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 13
16 to 56

Alloy Composition

Carbon (C), % 0 to 0.070
0.42 to 0.5
Chromium (Cr), % 18 to 20
0.4 to 0.6
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
97.6 to 98.7
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 2.5 to 3.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035