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Grade TDSiCr Steel vs. AWS E320

Both grade TDSiCr steel and AWS E320 are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is AWS E320.

Metric UnitsUS Customary Units

Mechanical Properties

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
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
38
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 1.5
6.5
Embodied Energy, MJ/kg 20
91
Embodied Water, L/kg 48
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
21
Strength to Weight: Bending, points 45
20
Thermal Shock Resistance, points 58
16

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.070
Chromium (Cr), % 0.5 to 0.8
19 to 21
Copper (Cu), % 0 to 0.1
3.0 to 4.0
Iron (Fe), % 96.6 to 97.8
31.8 to 43.5
Manganese (Mn), % 0.5 to 0.9
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030