This 7″ 32# 25CRW-125 VAM TOP HC R2/R3 casing is made from cold-worked Super Duplex 25CRW, a high-strength stainless steel developed for use in high-chloride and mildly sour (H₂S 40, it delivers excellent resistance to pitting, crevice corrosion, and localized attack in seawater, injection, and disposal wells. The VAM TOP HC connection enhances overall reliability with a high-compression, gas-tight seal, designed to maintain integrity under demanding downhole pressure and load conditions.




