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EN 1.7077 Steel vs. ACI-ASTM CT15C Steel

Both EN 1.7077 steel and ACI-ASTM CT15C steel are iron alloys. They have 47% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7077 steel and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 490 to 1750
500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1080
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.1
Embodied Energy, MJ/kg 19
88
Embodied Water, L/kg 51
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 62
17
Strength to Weight: Bending, points 18 to 41
17
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 14 to 51
12

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.34 to 0.38
0.050 to 0.15
Chromium (Cr), % 0.9 to 1.2
19 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.8 to 98.1
40.3 to 49.2
Manganese (Mn), % 0.7 to 1.0
0.15 to 1.5
Nickel (Ni), % 0
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0.15 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030