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Grade TDSiCr Steel vs. EN 1.4646 Stainless Steel

Both grade TDSiCr steel and EN 1.4646 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1950
750

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 410
910
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
41
Embodied Water, L/kg 48
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 70
27
Strength to Weight: Bending, points 45
24
Thermal Shock Resistance, points 58
16

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.020 to 0.1
Chromium (Cr), % 0.5 to 0.8
17 to 19
Copper (Cu), % 0 to 0.1
1.5 to 3.0
Iron (Fe), % 96.6 to 97.8
59 to 67.3
Manganese (Mn), % 0.5 to 0.9
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015