# Hastelloy B

*NS3201*

> Ni-Mo alloy with outstanding resistance to hydrochloric acid at all concentrations and temperatures.

Hastelloy B is a nickel-molybdenum alloy designed for extreme resistance to hydrochloric acid at all concentrations and temperatures. It is the premier material for HCl processing equipment, though it requires care to avoid exposure to oxidizing impurities.

## Key features

- Unmatched HCl resistance
- All concentrations and temperatures
- Good thermal conductivity
- Molybdenum-based protection
- Requires non-oxidizing environment

## Applications

- Hydrochloric acid processing
- Chemical reactor vessels
- Vacuum furnace components
- Pharmaceutical synthesis equipment
- Pickling bath hardware

## Standards

- ASTM B333
- ASTM B335
- ASME SB-333