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ACI-ASTM CT15C Steel vs. EN 1.1122 Steel

Both ACI-ASTM CT15C steel and EN 1.1122 steel are iron alloys. They have 45% 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 ACI-ASTM CT15C steel and the bottom bar is EN 1.1122 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
12 to 21
Fatigue Strength, MPa 130
170 to 260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 500
340 to 460
Tensile Strength: Yield (Proof), MPa 190
240 to 370

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.1
1.4
Embodied Energy, MJ/kg 88
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
36 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 93
160 to 360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
12 to 16
Strength to Weight: Bending, points 17
14 to 17
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 12
11 to 15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.080 to 0.12
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 40.3 to 49.2
98.7 to 99.62
Manganese (Mn), % 0.15 to 1.5
0.3 to 0.6
Nickel (Ni), % 31 to 34
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 1.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025