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Grade TDSiCr Steel vs. EN 1.5507 Steel

Both grade TDSiCr steel and EN 1.5507 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is EN 1.5507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
140 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 48
58 to 72
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1950
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 48
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
16 to 31
Strength to Weight: Bending, points 45
17 to 26
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 58
13 to 26

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.5 to 0.6
0.21 to 0.25
Chromium (Cr), % 0.5 to 0.8
0.25 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 96.6 to 97.8
97.8 to 98.7
Manganese (Mn), % 0.5 to 0.9
0.8 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 1.2 to 1.6
0 to 0.15
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0 to 0.060