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EN 1.7379 Steel vs. ACI-ASTM CF3M Steel

Both EN 1.7379 steel and ACI-ASTM CF3M steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7379 steel and the bottom bar is ACI-ASTM CF3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
55
Fatigue Strength, MPa 320
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 670
520
Tensile Strength: Yield (Proof), MPa 460
260

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
990
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
3.8
Embodied Energy, MJ/kg 23
53
Embodied Water, L/kg 59
160

Common Calculations

PREN (Pitting Resistance) 5.7
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 550
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0.13 to 0.2
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
17 to 21
Iron (Fe), % 94.5 to 96.5
59.9 to 72
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.2
2.0 to 3.0
Nickel (Ni), % 0
9.0 to 13
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040