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EN 1.8151 Steel vs. Grade TDSiCr Steel

Both EN 1.8151 steel and grade TDSiCr steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is grade TDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
590
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
1950

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 50
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.2
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 25
20
Embodied Water, L/kg 49
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
70
Strength to Weight: Bending, points 22 to 45
45
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 20 to 58
58

Alloy Composition

Carbon (C), % 0.4 to 0.5
0.5 to 0.6
Chromium (Cr), % 0.4 to 0.8
0.5 to 0.8
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 95.9 to 97.2
96.6 to 97.8
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.3 to 1.7
1.2 to 1.6
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0.1 to 0.2
0