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ACI-ASTM CN7M Steel vs. EN 1.6582 Steel

Both ACI-ASTM CN7M steel and EN 1.6582 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 ACI-ASTM CN7M steel and the bottom bar is EN 1.6582 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 480
620 to 1750

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 32
3.6
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.7
Embodied Energy, MJ/kg 78
22
Embodied Water, L/kg 210
56

Common Calculations

PREN (Pitting Resistance) 29
2.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
22 to 62
Strength to Weight: Bending, points 17
21 to 41
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 12
18 to 51

Alloy Composition

Carbon (C), % 0 to 0.070
0.3 to 0.38
Chromium (Cr), % 19 to 22
1.3 to 1.7
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
94.7 to 96.5
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0.15 to 0.3
Nickel (Ni), % 27.5 to 30.5
1.3 to 1.7
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035