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EN 1.6368 Steel vs. ACI-ASTM CN7M Steel

Both EN 1.6368 steel and ACI-ASTM CN7M steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6368 steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
44
Fatigue Strength, MPa 310 to 330
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 660 to 690
480
Tensile Strength: Yield (Proof), MPa 460 to 490
200

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
21
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
32
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.7
5.6
Embodied Energy, MJ/kg 22
78
Embodied Water, L/kg 53
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 650
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 24
17
Strength to Weight: Bending, points 21 to 22
17
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0.015 to 0.040
0
Carbon (C), % 0 to 0.17
0 to 0.070
Chromium (Cr), % 0 to 0.3
19 to 22
Copper (Cu), % 0.5 to 0.8
3.0 to 4.0
Iron (Fe), % 95.1 to 97.2
37.4 to 48.5
Manganese (Mn), % 0.8 to 1.2
0 to 1.5
Molybdenum (Mo), % 0.25 to 0.5
2.0 to 3.0
Nickel (Ni), % 1.0 to 1.3
27.5 to 30.5
Niobium (Nb), % 0.015 to 0.045
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040