Presently, our company got a purchase order for Hastelloy C276 flange and Hastelloy B-2 flushing ring used in pressure gauges. Hastelloy alloy is a nickel-based alloys, mainly divided into B,C,G of the three series, which used in those strong corrosive medium where iron Cr-Ni or Cr-Ni-Mo stainless steel, non-metallic materials can not be. It is widely used in petroleum, chemical industry, environmental protection and many other fields abroad.