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SAE-AISI 5147 Steel vs. ASTM A182 Grade F12 Class 2

Both SAE-AISI 5147 steel and ASTM A182 grade F12 class 2 are iron alloys. Both are furnished in the annealed condition. 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 SAE-AISI 5147 steel and the bottom bar is ASTM A182 grade F12 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
22
Fatigue Strength, MPa 250
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370
340
Tensile Strength: Ultimate (UTS), MPa 600
540
Tensile Strength: Yield (Proof), MPa 360
310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 50
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 360
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0.46 to 0.51
0.1 to 0.2
Chromium (Cr), % 0.85 to 1.2
0.8 to 1.3
Iron (Fe), % 97 to 97.8
96.4 to 98.3
Manganese (Mn), % 0.7 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0.1 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.040