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ACI-ASTM CN7M Steel vs. EN 1.0033 Steel

Both ACI-ASTM CN7M steel and EN 1.0033 steel are iron alloys. They have 44% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7M steel and the bottom bar is EN 1.0033 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
86 to 96
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
17 to 32
Fatigue Strength, MPa 190
120 to 140
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 480
300 to 330
Tensile Strength: Yield (Proof), MPa 200
150 to 200

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 21
53
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 32
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.6
1.4
Embodied Energy, MJ/kg 78
18
Embodied Water, L/kg 210
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
48 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 110
63 to 100
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
10 to 12
Strength to Weight: Bending, points 17
13 to 14
Thermal Diffusivity, mm2/s 5.6
14
Thermal Shock Resistance, points 12
9.4 to 10

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.11
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
98.8 to 100
Manganese (Mn), % 0 to 1.5
0 to 0.7
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 27.5 to 30.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.045