H₂S Corrosion Resistant Casing and Tubing

Applicable Standards
API SPEC 5CT Specification for Casing and Tubing
ANSI/NACE MR0175 Petroleum and natural gas industries — Materials for H₂S-containing environments
ANSI/NACE TM0177 Sulfide Stress Cracking Test for Metals in H₂S Environments
ISO 15156 Petroleum and natural gas industries — Materials for H₂S environments in oil & gas production
ISO 13680 Petroleum and natural gas industries — Seamless alloy casing, tubing and couplings for corrosive service

Mechanical Properties

Corrosion Resistance

Note: Sulfur resistance grade "S" stands for standard sulfide resistance; "SS" for high sulfide resistance.