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50Cr-50Ni-Cb Alloy vs. ASTM Grade HI Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while ASTM grade HI steel belongs to the iron alloys. They have 45% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.6
11
Poisson's Ratio 0.26
0.27
Shear Modulus, GPa 84
79
Tensile Strength: Ultimate (UTS), MPa 620
550
Tensile Strength: Yield (Proof), MPa 390
270

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
23
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 9.2
4.1
Embodied Energy, MJ/kg 130
59
Embodied Water, L/kg 350
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
52
Resilience: Unit (Modulus of Resilience), kJ/m3 370
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.2 to 0.5
Chromium (Cr), % 47 to 52
26 to 30
Iron (Fe), % 0 to 1.0
46.9 to 59.8
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 43.3 to 51.6
14 to 18
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.5
0