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ASTM A369 Grade FP9 vs. SAE-AISI H13 Steel

Both ASTM A369 grade FP9 and SAE-AISI H13 steel are iron alloys. They have a very high 96% 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 FP9 and the bottom bar is SAE-AISI H13 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 75
74
Tensile Strength: Ultimate (UTS), MPa 470
690 to 1820

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
6.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
4.3
Embodied Energy, MJ/kg 28
64
Embodied Water, L/kg 87
78

Common Calculations

PREN (Pitting Resistance) 12
9.9
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
25 to 65
Strength to Weight: Bending, points 17
22 to 43
Thermal Diffusivity, mm2/s 6.9
7.8
Thermal Shock Resistance, points 13
25 to 65

Alloy Composition

Carbon (C), % 0 to 0.15
0.32 to 0.45
Chromium (Cr), % 8.0 to 10
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 87.1 to 90.3
88.8 to 92
Manganese (Mn), % 0.3 to 0.6
0.2 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
1.1 to 1.8
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.5 to 1.0
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.2