ASTM B780 Alloy vs. S13800 Stainless Steel
ASTM B780 alloy belongs to the otherwise unclassified metals classification, while S13800 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.
For each property being compared, the top bar is ASTM B780 alloy and the bottom bar is S13800 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 83 | |
200 |
Elongation at Break, % | 1.1 to 9.1 | |
11 to 18 |
Poisson's Ratio | 0.36 | |
0.28 |
Shear Modulus, GPa | 30 | |
77 |
Shear Strength, MPa | 200 to 340 | |
610 to 1030 |
Tensile Strength: Ultimate (UTS), MPa | 330 to 590 | |
980 to 1730 |
Thermal Properties
Latent Heat of Fusion, J/g | 140 | |
280 |
Specific Heat Capacity, J/kg-K | 270 | |
470 |
Thermal Expansion, µm/m-K | 18 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 70 to 76 | |
2.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 62 to 68 | |
2.6 |
Otherwise Unclassified Properties
Density, g/cm3 | 10 | |
7.9 |
Common Calculations
Stiffness to Weight: Axial, points | 4.5 | |
14 |
Stiffness to Weight: Bending, points | 14 | |
25 |
Strength to Weight: Axial, points | 9.1 to 16 | |
35 to 61 |
Strength to Weight: Bending, points | 11 to 15 | |
28 to 41 |
Thermal Shock Resistance, points | 16 to 29 | |
33 to 58 |
Alloy Composition
Aluminum (Al), % | 0 | |
0.9 to 1.4 |
Cadmium (Cd), % | 0 to 0.050 | |
0 |
Carbon (C), % | 0 | |
0 to 0.050 |
Chromium (Cr), % | 0 | |
12.3 to 13.2 |
Copper (Cu), % | 23.5 to 25.7 | |
0 |
Iron (Fe), % | 0 to 0.050 | |
73.6 to 77.3 |
Lead (Pb), % | 0 to 0.030 | |
0 |
Manganese (Mn), % | 0 | |
0 to 0.2 |
Molybdenum (Mo), % | 0 | |
2.0 to 3.0 |
Nickel (Ni), % | 0.35 to 0.65 | |
7.5 to 8.5 |
Nitrogen (N), % | 0 | |
0 to 0.010 |
Phosphorus (P), % | 0 | |
0 to 0.010 |
Silicon (Si), % | 0 | |
0 to 0.1 |
Silver (Ag), % | 74 to 76 | |
0 |
Sulfur (S), % | 0 | |
0 to 0.0080 |
Zinc (Zn), % | 0 to 0.060 | |
0 |