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50Cr-50Ni Alloy vs. ASTM A387 Grade 5 Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while ASTM A387 grade 5 steel belongs to the iron alloys. 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 alloy and the bottom bar is ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.7
20 to 21
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
74
Tensile Strength: Ultimate (UTS), MPa 620
500 to 600
Tensile Strength: Yield (Proof), MPa 390
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
4.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.7
Embodied Energy, MJ/kg 110
23
Embodied Water, L/kg 350
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 350
140 to 320
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18 to 21
Strength to Weight: Bending, points 20
18 to 20
Thermal Shock Resistance, points 14
14 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 48 to 52
4.0 to 6.0
Iron (Fe), % 0 to 1.0
92.1 to 95.3
Manganese (Mn), % 0 to 0.3
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 44.5 to 52
0
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0 to 0.5
0