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ASTM A182 Grade F12 Class 2 vs. SAE-AISI 6150 Steel

Both ASTM A182 grade F12 class 2 and SAE-AISI 6150 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F12 class 2 and the bottom bar is SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
15 to 23
Fatigue Strength, MPa 220
300 to 750
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 340
400 to 730
Tensile Strength: Ultimate (UTS), MPa 540
630 to 1200
Tensile Strength: Yield (Proof), MPa 310
420 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
46
Thermal Expansion, µm/m-K 13
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.0
Embodied Energy, MJ/kg 21
28
Embodied Water, L/kg 52
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 260
460 to 3590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
22 to 43
Strength to Weight: Bending, points 19
21 to 32
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 16
20 to 38

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.48 to 0.53
Chromium (Cr), % 0.8 to 1.3
0.8 to 1.1
Iron (Fe), % 96.4 to 98.3
96.7 to 97.7
Manganese (Mn), % 0.3 to 0.8
0.7 to 0.9
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.1 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.040
Vanadium (V), % 0
0.15 to 0.3