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EN 1.3553 Steel vs. ACI-ASTM CN7M Steel

Both EN 1.3553 steel and ACI-ASTM CN7M steel are iron alloys. They have 50% 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 1.3553 steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 720
480

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 540
1100
Melting Completion (Liquidus), °C 1620
1410
Melting Onset (Solidus), °C 1570
1450
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
21
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 8.5
5.6
Embodied Energy, MJ/kg 130
78
Embodied Water, L/kg 96
210

Common Calculations

PREN (Pitting Resistance) 31
29
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 6.4
5.6
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0.78 to 0.86
0 to 0.070
Chromium (Cr), % 3.9 to 4.3
19 to 22
Copper (Cu), % 0 to 0.3
3.0 to 4.0
Iron (Fe), % 80.7 to 83.7
37.4 to 48.5
Manganese (Mn), % 0 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.7 to 5.2
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0