Which of the following is/are the class1 corrosion resistance materials in hydrochloric acid?

• A. Chlorimet 2 and Chlorimet 3
• B. Hastelloy B and C
• C. Zirconium and molybdenum
• D. Chlorimet 2 and 3, Hastelloy B and C, Zirconium, Molybdenum and Tantalum