
Hastelloy B-2
Low-carbon variant of Hastelloy B with improved weld zone corrosion resistance.
Introduction
§01 — GeneralHastelloy B-2 is the low-carbon, low-iron variant of Hastelloy B with significantly improved resistance to knife-line attack and heat-affected zone corrosion after welding. It retains the exceptional hydrochloric acid resistance of the B family while eliminating the need for post-weld solution heat treatment in many applications.
Quick Facts
- UNS
- N10665
- GB
- NS3202
- Density
- 9.22 g/cm³
- Max Service Temp
- 650°C
- Series
- Hastelloy
Available Product Forms
§02 — FormsKey Characteristics
§03 — FeaturesTypical Uses
§04 — ApplicationsFrequently Asked Questions
Hastelloy B-2 FAQWhat is Hastelloy B-2 used for?
Hastelloy B-2 is a Hastelloy alloy used in HCl distillation columns and Acetic acid production. It offers Improved weld zone corrosion resistance and No post-weld heat treat needed.
What is the chemical composition of Hastelloy B-2?
Hastelloy B-2 is a controlled-composition Hastelloy alloy supplied to ASTM B333 and ASTM B335. Contact us for full mill test certificate with heat-specific chemistry.
What forms is Hastelloy B-2 available in?
Hastelloy B-2 is regularly supplied in Forging, Wire, Flange, Bar & Rod, Plate & Sheet, Pipe & Tube. Custom forms and dimensions available on request.
What is the maximum service temperature of Hastelloy B-2?
Hastelloy B-2 is rated for service up to 650°C. Contact our metallurgy team for specific application recommendations.
Need Hastelloy B-2 material?
Request a quote with your specification — grade, form, dimensions and quantity.