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ASTM A369 Grade FP92 vs. SAE-AISI M50 Steel

Both ASTM A369 grade FP92 and SAE-AISI M50 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP92 and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 710
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1490
1480
Melting Onset (Solidus), °C 1450
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
35
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
5.1
Embodied Energy, MJ/kg 40
74
Embodied Water, L/kg 89
83

Common Calculations

PREN (Pitting Resistance) 14
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
26 to 80
Strength to Weight: Bending, points 22
23 to 49
Thermal Diffusivity, mm2/s 6.9
9.7
Thermal Shock Resistance, points 19
21 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.78 to 0.88
Chromium (Cr), % 8.5 to 9.5
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 85.8 to 89.1
87 to 90.4
Manganese (Mn), % 0.3 to 0.6
0.15 to 0.45
Molybdenum (Mo), % 0.3 to 0.6
3.9 to 4.8
Nickel (Ni), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0.8 to 1.3
Zirconium (Zr), % 0 to 0.010
0