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EN 1.1122 Steel vs. Grade TDC Steel

Both EN 1.1122 steel and grade TDC steel are iron alloys. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.1122 steel and the bottom bar is grade TDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
510
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 73
50
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 340 to 460
1700

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 16
60
Strength to Weight: Bending, points 14 to 17
40
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 11 to 15
50

Alloy Composition

Carbon (C), % 0.080 to 0.12
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 98.7 to 99.62
98 to 99.4
Manganese (Mn), % 0.3 to 0.6
0.5 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.3
0.1 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.020