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ACI-ASTM CN7MS Steel vs. EN 1.6526 Steel

Both ACI-ASTM CN7MS steel and EN 1.6526 steel are iron alloys. They have 52% 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 1.6526 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160 to 190
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
520 to 1460

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
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.1
1.5
Embodied Energy, MJ/kg 71
20
Embodied Water, L/kg 180
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
18 to 52
Strength to Weight: Bending, points 19
18 to 36
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 13
15 to 43

Alloy Composition

Carbon (C), % 0 to 0.070
0.17 to 0.23
Chromium (Cr), % 18 to 20
0.35 to 0.7
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 45.4 to 53.5
96.6 to 98.3
Manganese (Mn), % 0 to 1.0
0.65 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0.15 to 0.25
Nickel (Ni), % 22 to 25
0.4 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 2.5 to 3.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0.020 to 0.040