ASTM A387 Grade 21 Steel vs. 80-silver 20-cadmium-oxide
ASTM A387 grade 21 steel belongs to the iron alloys classification, while 80-silver 20-cadmium-oxide belongs to the otherwise unclassified metals. There are 8 material properties with values for both materials. Properties with values for just one material (24, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 21 steel and the bottom bar is 80-silver 20-cadmium-oxide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 7.9 | |
| 9.9 |
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 63 to 77 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 57 to 70 |
| Elongation at Break, % | 21 | |
| 1.1 to 15 |
| Shear Strength, MPa | 310 to 370 | |
| 190 to 220 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 8.8 to 12 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 10 to 13 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 590 | |
| 310 to 440 |