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EN 1.3539 Steel vs. ACI-ASTM CN7M Steel

Both EN 1.3539 steel and ACI-ASTM CN7M steel are iron alloys. They have 47% of their average alloy composition in common. There are 26 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 1.3539 steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 670
480

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
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 8.7
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.7
5.6
Embodied Energy, MJ/kg 22
78
Embodied Water, L/kg 57
210

Common Calculations

PREN (Pitting Resistance) 3.8
29
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0 to 0.070
Chromium (Cr), % 1.8 to 2.1
19 to 22
Copper (Cu), % 0 to 0.3
3.0 to 4.0
Iron (Fe), % 95.2 to 96.5
37.4 to 48.5
Manganese (Mn), % 0.8 to 1.1
0 to 1.5
Molybdenum (Mo), % 0.5 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.6
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040