Product Details

Anti-corrosion oil casing series 

Self-development: 
Anti-H2S Corrosion OCTG Series: 80S, 90S, 95S, 110S
High Anti-H2S Corrosion OCTG Series: 80SS, 90SS, 95SS, 110SS
Low Cr anti-CO2 Corrosion OCTG Series: 90-3Cr, 95-3Cr, 110-3Cr, 125-3Cr
Low Cr anti-CO2+H2S Corrosion OCTG Series: 80S-3Cr, 90S-3Cr, 95S-3Cr, 110S-2Cr
Low Cr anti-CO2+High Anti-H2S Corrosion OCTG Series: 80SS-3Cr, 90SS-3Cr, 95SS-3Cr 
High Cr anti-CO2 Corrosion OCTG Series: 80-13Cr, 110-13Cr
High Cr anti-CO2+H2S Corrosion OCTG Series: 80S-13Cr, 110S-13Cr

Features: 
Steel purity - P ≤ 0.010%, S ≤ 0.006%; 
Performance is steady - all cross-sectional area of steel after quenching can receive more than 98% marten site, there will be fine even tempered sorbite organization after tempering 
Stress corrosion - to eliminate residual stress, surface corrosion of the structure to form one or several atomic layer of the high stability of alloy corrosion resistance group content of oxide film
Homogeneous - grain size ≥ 8 level, uniform hardness; 

Applications: 
•Wells with CO2 corrosion condition. 
•Wells with CO2+H2S corrosion condition
•Wells with CO2+H2S+Cl- corrosion condition