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R05252 Alloy vs. ASTM B780 Alloy

Both R05252 alloy and ASTM B780 alloy are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R05252 alloy and the bottom bar is ASTM B780 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
83
Elongation at Break, % 23
1.1 to 9.1
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 73
30
Tensile Strength: Ultimate (UTS), MPa 310
330 to 590

Thermal Properties

Latent Heat of Fusion, J/g 140
140
Specific Heat Capacity, J/kg-K 140
270
Thermal Expansion, µm/m-K 6.7
18

Otherwise Unclassified Properties

Density, g/cm3 17
10

Common Calculations

Stiffness to Weight: Axial, points 6.5
4.5
Stiffness to Weight: Bending, points 12
14
Strength to Weight: Axial, points 5.2
9.1 to 16
Strength to Weight: Bending, points 6.1
11 to 15
Thermal Shock Resistance, points 17
16 to 29

Alloy Composition

Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
23.5 to 25.7
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0.35 to 0.65
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
74 to 76
Tantalum (Ta), % 88.8 to 91
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 9.0 to 11
0
Zinc (Zn), % 0
0 to 0.060