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SAE-AISI S6 Steel vs. AWS E630

Both SAE-AISI S6 steel and AWS E630 are iron alloys. They have 77% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S6 steel and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 670 to 1920
1040

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
17
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 33
40
Embodied Water, L/kg 56
140

Common Calculations

PREN (Pitting Resistance) 2.7
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
37
Strength to Weight: Bending, points 22 to 45
29
Thermal Diffusivity, mm2/s 11
4.5
Thermal Shock Resistance, points 22 to 64
28

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.050
Chromium (Cr), % 1.2 to 1.5
16 to 16.8
Copper (Cu), % 0 to 0.25
3.3 to 4.0
Iron (Fe), % 92.8 to 94.7
71.6 to 75.9
Manganese (Mn), % 1.2 to 1.5
0.25 to 0.75
Molybdenum (Mo), % 0.3 to 0.5
0 to 0.75
Nickel (Ni), % 0
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 2.0 to 2.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.2 to 0.4
0