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50Cr-50Ni Alloy vs. ASTM A369 Grade FPA

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while ASTM A369 grade FPA belongs to the iron alloys. There are 21 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 50Cr-50Ni alloy and the bottom bar is ASTM A369 grade FPA.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.7
27
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 620
380
Tensile Strength: Yield (Proof), MPa 390
240

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 350
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
89
Resilience: Unit (Modulus of Resilience), kJ/m3 350
150
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
13
Strength to Weight: Bending, points 20
15
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.25
Chromium (Cr), % 48 to 52
0
Iron (Fe), % 0 to 1.0
98.3 to 99.63
Manganese (Mn), % 0 to 0.3
0.27 to 0.93
Nickel (Ni), % 44.5 to 52
0
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 1.0
0.1 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 0 to 0.5
0