The 5.5″ 17# 13CR-80 JFEBEAR coupling delivers dependable performance in sweet and mildly sour environments, thanks to its durable 13 Chrome L80 (UNS S42000) construction and corrosion resistance up to 300°F. With controlled yield strength for NACE MR0175 compliance and a proven JFEBEAR connection, it’s a smart, cost-effective choice for downhole applications requiring strength, reliability, and resistance to CO₂ and limited H₂S exposure. Ideal for packers, tubulars, and subsurface equipment where performance and value matter.




