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ACI-ASTM CN7MS Steel vs. EN 1.5520 Steel

Both ACI-ASTM CN7MS steel and EN 1.5520 steel are iron alloys. They have 50% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11 to 21
Fatigue Strength, MPa 200
210 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 540
410 to 1410
Tensile Strength: Yield (Proof), MPa 230
300 to 480

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 1040
400
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
50
Thermal Expansion, µm/m-K 16
13

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
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
42 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 140
240 to 600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
15 to 50
Strength to Weight: Bending, points 19
16 to 36
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 13
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.070
0.15 to 0.2
Chromium (Cr), % 18 to 20
0 to 0.3
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 45.4 to 53.5
97.7 to 98.9
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
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 to 0.025