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Grade TDSiCr Steel vs. ASTM A372 Grade E Steel

Both grade TDSiCr steel and ASTM A372 grade E 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 (7, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is ASTM A372 grade E steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1950
650 to 910

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
420
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
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 48
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
23 to 32
Strength to Weight: Bending, points 45
21 to 27
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 58
19 to 27

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.25 to 0.35
Chromium (Cr), % 0.5 to 0.8
0.8 to 1.2
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 96.6 to 97.8
97 to 98.3
Manganese (Mn), % 0.5 to 0.9
0.4 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 1.2 to 1.6
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.010