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EN 1.6368 Steel vs. ACI-ASTM CD6MN Steel

Both EN 1.6368 steel and ACI-ASTM CD6MN steel are iron alloys. They have 69% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
28
Fatigue Strength, MPa 310 to 330
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 660 to 690
730
Tensile Strength: Yield (Proof), MPa 460 to 490
510

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
3.4
Embodied Energy, MJ/kg 22
48
Embodied Water, L/kg 53
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 650
650
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 24
26
Strength to Weight: Bending, points 21 to 22
23
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 20
20

Alloy Composition

Aluminum (Al), % 0.015 to 0.040
0
Carbon (C), % 0 to 0.17
0 to 0.060
Chromium (Cr), % 0 to 0.3
24 to 27
Copper (Cu), % 0.5 to 0.8
0
Iron (Fe), % 95.1 to 97.2
62.1 to 70.1
Manganese (Mn), % 0.8 to 1.2
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.5
1.8 to 2.5
Nickel (Ni), % 1.0 to 1.3
4.0 to 6.0
Niobium (Nb), % 0.015 to 0.045
0
Nitrogen (N), % 0 to 0.020
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.040