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ASTM A369 Grade FP91 vs. 60Cr-40Ni Alloy

ASTM A369 grade FP91 belongs to the iron alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. 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 FP91 and the bottom bar is 60Cr-40Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 75
87
Tensile Strength: Ultimate (UTS), MPa 670
870
Tensile Strength: Yield (Proof), MPa 460
660

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
49
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
7.4
Embodied Energy, MJ/kg 37
110
Embodied Water, L/kg 88
380

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 560
1000
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.25
Carbon (C), % 0.080 to 0.12
0 to 0.1
Chromium (Cr), % 8.0 to 9.5
58 to 62
Iron (Fe), % 87.3 to 90.3
0 to 1.0
Manganese (Mn), % 0.3 to 0.6
0 to 0.3
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
34.5 to 42
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.2 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0 to 0.010
0 to 0.5
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0