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ASTM A369 Grade FP12 vs. SAE-AISI 6150 Steel

Both ASTM A369 grade FP12 and SAE-AISI 6150 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 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 ASTM A369 grade FP12 and the bottom bar is SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
15 to 23
Fatigue Strength, MPa 170
300 to 750
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
400 to 730
Tensile Strength: Ultimate (UTS), MPa 470
630 to 1200
Tensile Strength: Yield (Proof), MPa 250
420 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
420
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
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 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.3
Density, g/cm3 7.9
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 81
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
460 to 3590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
22 to 43
Strength to Weight: Bending, points 17
21 to 32
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 14
20 to 38

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.48 to 0.53
Chromium (Cr), % 0.8 to 1.3
0.8 to 1.1
Iron (Fe), % 96.8 to 98.4
96.7 to 97.7
Manganese (Mn), % 0.3 to 0.61
0.7 to 0.9
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0
0.15 to 0.3