Oil country tubular goods (OCTG) is a family of seamless rolled products consisting of drill pipe, casing and tubing subjected to loading conditions according to their specific application.
CONNECTIONS
STC (short round thread casing)
LTC (long round thread casing)
BTC (buttress thread casing)
XL (extreme-line casing)
NUE (non-upset tubing)
EUE (external upset tubing)
IJ (integral joint tubing)
Premium Connections
And almost any premium & gas tight connection
Specifications of oil well casing
Dimension range(OD inch)：4 1/2”—30”
Dimension range(OD mm)：114.3—762
Standard: API SPEC 5CT
Main Steel Grade: H40, J55, K55, N80, N80Q, L80, T95, P110 etc
Mechanical Properties:
| Standard | Grade | Tensile Strength（MPa） | Yield Strength（MPa） | Elongation（%） | Hardness |
|---|---|---|---|---|---|
| API SPEC 5CT | J55 | ≥517 | 379～552 | 0.5% | ≤241HB |
| K55 | ≥655 | 379~552 | 0.5% | ||
| N80 | ≥689 | 552~758 | 0.5% | ||
| L80（13Cr） | ≥655 | 552~655 | 0.5% | ||
| P110 | ≥862 | 758~965 | 0.6% |
API-5CT Seamless Tubing Pipe & OCTG Oil Casing
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
Video
API 5CT N80-1/N80-Q OCTG Seamless Casing Psl2
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
API 5CT J55/K55 OCTG Seamless Casing Psl1
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
API 5CT J55/K55 OCTG Seamless Casing Psl2
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
API 5CT J55 OCTG Seamless Casing Psl1
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
API 5CT J55 OCTG Seamless Casing Psl2
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
API 5CT K55 OCTG Seamless Casing Psl2
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
API 5CT P110 OCTG Seamless Casing Psl2
FOB Price: US $630-960 / Ton
Min. Order: 20 Tons
J55/K55 N80-1/N80q Seamless Tubing and Seamless Casing
FOB Price: US $640-960 / Ton
Min. Order: 20 Tons
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