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AWS E630 vs. Grade TDC Steel

Both AWS E630 and grade TDC steel are iron alloys. They have 75% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E630 and the bottom bar is grade TDC 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 1040
1700

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 140
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
60
Strength to Weight: Bending, points 29
40
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 28
50

Alloy Composition

Carbon (C), % 0 to 0.050
0.6 to 0.75
Chromium (Cr), % 16 to 16.8
0 to 0.3
Copper (Cu), % 3.3 to 4.0
0 to 0.1
Iron (Fe), % 71.6 to 75.9
98 to 99.4
Manganese (Mn), % 0.25 to 0.75
0.5 to 1.2
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 4.5 to 5.0
0
Niobium (Nb), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.75
0.1 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020