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ASTM A369 Grade FP92 vs. SAE-AISI A7 Steel

Both ASTM A369 grade FP92 and SAE-AISI A7 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 A7 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
72
Tensile Strength: Ultimate (UTS), MPa 710
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1490
1470
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
37
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
13
Embodied Energy, MJ/kg 40
200
Embodied Water, L/kg 89
100

Common Calculations

PREN (Pitting Resistance) 14
11
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
29 to 77
Strength to Weight: Bending, points 22
25 to 48
Thermal Diffusivity, mm2/s 6.9
10
Thermal Shock Resistance, points 19
27 to 72

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
2.0 to 2.9
Chromium (Cr), % 8.5 to 9.5
5.0 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 85.8 to 89.1
81.4 to 87.7
Manganese (Mn), % 0.3 to 0.6
0 to 0.8
Molybdenum (Mo), % 0.3 to 0.6
0.9 to 1.4
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 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0.5 to 1.5
Vanadium (V), % 0.15 to 0.25
3.9 to 5.2
Zirconium (Zr), % 0 to 0.010
0