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

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while ASTM grade HC steel belongs to the iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. 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 grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
6.0
Poisson's Ratio 0.26
0.27
Shear Modulus, GPa 84
80
Tensile Strength: Ultimate (UTS), MPa 620
430
Tensile Strength: Yield (Proof), MPa 390
200

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Specific Heat Capacity, J/kg-K 490
490
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 50
14
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 7.9
2.8
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 350
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
21
Resilience: Unit (Modulus of Resilience), kJ/m3 350
95
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 21
16
Strength to Weight: Bending, points 20
16
Thermal Shock Resistance, points 14
14

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.5
Chromium (Cr), % 48 to 52
26 to 30
Iron (Fe), % 0 to 1.0
61.9 to 74
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 44.5 to 52
0 to 4.0
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