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SAE-AISI S6 Steel vs. ASTM A182 Grade F12 Class 1

Both SAE-AISI S6 steel and ASTM A182 grade F12 class 1 are iron alloys. They have a very high 96% of their average alloy composition in common. There are 24 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 SAE-AISI S6 steel and the bottom bar is ASTM A182 grade F12 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 670 to 1920
470

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
45
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.6
Embodied Energy, MJ/kg 33
21
Embodied Water, L/kg 56
52

Common Calculations

PREN (Pitting Resistance) 2.7
2.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 70
17
Strength to Weight: Bending, points 22 to 45
17
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 22 to 64
14

Alloy Composition

Carbon (C), % 0.4 to 0.5
0.050 to 0.15
Chromium (Cr), % 1.2 to 1.5
0.8 to 1.3
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.8 to 94.7
96.8 to 98.4
Manganese (Mn), % 1.2 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0.3 to 0.5
0.44 to 0.65
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 2.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.045
Vanadium (V), % 0.2 to 0.4
0