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AWS E630 vs. SAE-AISI 50B60 Steel

Both AWS E630 and SAE-AISI 50B60 steel are iron alloys. They have 75% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E630 and the bottom bar is SAE-AISI 50B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0
12 to 20
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 1040
610 to 630

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
45
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.0
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
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
22 to 23
Strength to Weight: Bending, points 29
20 to 21
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 28
20

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.050
0.56 to 0.64
Chromium (Cr), % 16 to 16.8
0.4 to 0.6
Copper (Cu), % 3.3 to 4.0
0
Iron (Fe), % 71.6 to 75.9
97.3 to 98.1
Manganese (Mn), % 0.25 to 0.75
0.75 to 1.0
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 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040