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EN 1.0143 Steel vs. ACI-ASTM CN7MS Steel

Both EN 1.0143 steel and ACI-ASTM CN7MS 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 EN 1.0143 steel and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
39
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 400
1040
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
5.1
Embodied Energy, MJ/kg 18
71
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
170
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.21
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0 to 0.6
1.5 to 2.0
Iron (Fe), % 97.5 to 100
45.4 to 53.5
Manganese (Mn), % 0 to 1.6
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
2.5 to 3.5
Sulfur (S), % 0 to 0.040
0 to 0.030