Product Overview Table
Attribute | Specification |
Product Standard | API 5CT |
Type | Seamless (SMLS) |
Types | Casing, Tubing |
Applications | Onshore & Offshore Wells, Sour Service, HPHT Wells |
API 5CT Grade Overview (Seamless)
BENKOO METAL supplies the complete range of API 5CT grades for seamless pipes.
Grade Group | Available Grades |
Group 1 | H-40, J-55, K-55, N-80 (Type 1), R-95 |
Group 2 | M-65, L-80 (Type 1), C-90 (Type 1), T-95 (Type 1) |
Group 3 | P-110 |
Group 4 | Q-125 |
Special / CRA Grades | L-80 (9Cr, 13Cr), S13CR, UNS S41426, UNS S41427 |
Corrosion Resistant Alloy (CRA) Grades – Chemical Composition
Element / Grade | 13Cr (L80 Type) | 9Cr (L80 Type) | S13CR | UNS S41426 | UNS S41427 |
C max | 0.15 – 0.22 | 0.15 | 0.030 | 0.05 | 0.03 |
Mn max | 0.25 – 1.00 | 0.30 – 0.60 | 0.40 | 0.50 | 0.50 |
P max | 0.020 | 0.020 | 0.030 | 0.030 | 0.025 |
S max | 0.010 | 0.010 | 0.015 | 0.030 | 0.010 |
Si max | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
Cr | 12.0 – 14.0 | 8.0 – 10.0 | 12.0 – 14.0 | 11.5 – 13.5 | 11.5 – 13.5 |
Ni | 0.50 max | 0.50 max | 4.5 – 6.0 | 4.5 – 6.0 | 4.5 – 6.0 |
Mo | 0.90 – 1.10 | 0.90 – 1.10 | 1.50 – 2.50 | 1.50 – 2.50 | 1.50 – 2.50 |
Cu max | 0.25 | 0.25 | 1.50 | 0.25 | 0.25 |
Others | - | - | N: 0.08 max | N: 0.07 max | N: 0.07 max, V: 0.10 max |
Key Features & Benefits by BENKOO METAL
Superior CRA Performance: Grades like 13Cr and S13CR offer exceptional corrosion resistance for sour service.
Guaranteed Strength & Precision: Reliable performance in HPHT conditions with precise dimensional control.
Full Traceability: Complete mill test certificates (MTC) provided per API 5CT.
Contact BENKOO METAL today for your API 5CT seamless OCTG requirements and technical support.
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