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ASTM A369 Grade FP9 vs. K93050 Alloy

Both ASTM A369 grade FP9 and K93050 alloy are iron alloys. They have 63% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP9 and the bottom bar is K93050 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 470
500 to 680

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
26
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.0
4.7
Embodied Energy, MJ/kg 28
65
Embodied Water, L/kg 87
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
17 to 23
Strength to Weight: Bending, points 17
17 to 21
Thermal Shock Resistance, points 13
16 to 21

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 8.0 to 10
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Iron (Fe), % 87.1 to 90.3
61.4 to 63.9
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
36
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0.15 to 0.3
Silicon (Si), % 0.5 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020