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EN 1.3961 Alloy vs. ACI-ASTM CT15C Steel

Both EN 1.3961 alloy and ACI-ASTM CT15C steel are iron alloys. They have 78% 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 CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
23
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 450
500
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 4.8
6.1
Embodied Energy, MJ/kg 66
88
Embodied Water, L/kg 110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
90
Resilience: Unit (Modulus of Resilience), kJ/m3 250
93
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 130
12

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 0 to 0.25
19 to 21
Iron (Fe), % 60.7 to 65
40.3 to 49.2
Manganese (Mn), % 0 to 0.5
0.15 to 1.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.030