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AWS E630 vs. SAE-AISI 8115 Steel

Both AWS E630 and SAE-AISI 8115 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 8115 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0
15
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1040
610

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
43
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
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 140
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
21
Strength to Weight: Bending, points 29
20
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 28
19

Alloy Composition

Carbon (C), % 0 to 0.050
0.13 to 0.18
Chromium (Cr), % 16 to 16.8
0.3 to 0.5
Copper (Cu), % 3.3 to 4.0
0
Iron (Fe), % 71.6 to 75.9
97.4 to 98.4
Manganese (Mn), % 0.25 to 0.75
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.75
0.080 to 0.15
Nickel (Ni), % 4.5 to 5.0
0.2 to 0.4
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