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EN 1.0471 Steel vs. ACI-ASTM CN7M Steel

Both EN 1.0471 steel and ACI-ASTM CN7M steel are iron alloys. They have 44% 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 1.0471 steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
44
Fatigue Strength, MPa 270
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 580
480
Tensile Strength: Yield (Proof), MPa 380
200

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
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 52
21
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
5.6
Embodied Energy, MJ/kg 20
78
Embodied Water, L/kg 48
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 390
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 18
12

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Carbon (C), % 0 to 0.22
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0 to 0.3
3.0 to 4.0
Iron (Fe), % 97.4 to 98.8
37.4 to 48.5
Manganese (Mn), % 1.0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Niobium (Nb), % 0.015 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040