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EN 1.1133 Steel vs. ACI-ASTM CN7MS Steel

Both EN 1.1133 steel and ACI-ASTM CN7MS steel are iron alloys. They have 51% 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 1.1133 steel and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 24
39
Fatigue Strength, MPa 230 to 310
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 580 to 620
540
Tensile Strength: Yield (Proof), MPa 320 to 460
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 49
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
5.1
Embodied Energy, MJ/kg 19
71
Embodied Water, L/kg 48
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 550
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 22
19
Strength to Weight: Bending, points 20 to 21
19
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 18 to 19
13

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.070
Chromium (Cr), % 0 to 0.4
18 to 20
Copper (Cu), % 0
1.5 to 2.0
Iron (Fe), % 96.9 to 98.8
45.4 to 53.5
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
2.5 to 3.0
Nickel (Ni), % 0 to 0.4
22 to 25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
2.5 to 3.5
Sulfur (S), % 0 to 0.035
0 to 0.030