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50Cr-50Ni Alloy vs. ASTM Grade HN Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while ASTM grade HN steel belongs to the iron alloys. They have 47% of their average alloy composition in common. There are 18 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 alloy and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
9.0
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
500

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 50
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
4.6
Embodied Energy, MJ/kg 110
66
Embodied Water, L/kg 350
180

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.2 to 0.5
Chromium (Cr), % 48 to 52
19 to 23
Iron (Fe), % 0 to 1.0
44.9 to 57.8
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 44.5 to 52
23 to 27
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.5
0