Hastelloy B3 is a nickel-molybdenum alloy with excellent resistance to hydrochloric acid at all concentrations and temperatures.
Chemical composition(weight, %)
| Element | Ni | Mo | Fe | C | Co | Cr | Mn | Si | Ti | W | Al | Cu |
| Weight | 65.0 min | 28.5 | 1.5 | 0.01 max | 3.0 max | 1.5 | 3.0 max | 0.1 max | 0.2 max | 3.0 max | 0.5 max | 0.2 max |
Characters
- With excellent ductility during transient exposures to intermediate temperatures
- Excellent resistance to pitting, corrosion and stress-corrosion cracking
- Excellent resistance to knife-line and heat-affected zone attack
- Excellent resistance to acetic, formic and phosphoric acids and other non-oxidizing media
- Resistance to hydrochloric acid at all concentrations and temperatures
- Thermal stability superior to alloy B-2
