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EN 1.3961 Alloy vs. ACI-ASTM CF3 Steel

Both EN 1.3961 alloy and ACI-ASTM CF3 steel are iron alloys. They have 74% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is ACI-ASTM CF3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
60
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 450
510
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
16
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.2
Embodied Energy, MJ/kg 66
45
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
250
Resilience: Unit (Modulus of Resilience), kJ/m3 250
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 130
11

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
17 to 21
Iron (Fe), % 60.7 to 65
62.9 to 75
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 35 to 37
8.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040