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EN 1.4029 Stainless Steel vs. Grade TDSiCr Steel

Both EN 1.4029 stainless steel and grade TDSiCr steel are iron alloys. They have 87% of their average alloy composition in common. There are 24 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 1.4029 stainless steel and the bottom bar is grade TDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 700 to 930
1950

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 750
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 30
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.2
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
20
Embodied Water, L/kg 100
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 33
70
Strength to Weight: Bending, points 23 to 27
45
Thermal Diffusivity, mm2/s 8.1
12
Thermal Shock Resistance, points 26 to 34
58

Alloy Composition

Carbon (C), % 0.25 to 0.32
0.5 to 0.6
Chromium (Cr), % 12 to 13.5
0.5 to 0.8
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 82.8 to 87.6
96.6 to 97.8
Manganese (Mn), % 0 to 1.5
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
1.2 to 1.6
Sulfur (S), % 0.15 to 0.25
0 to 0.020